./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--net--ethernet--ethoc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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--net--ethernet--ethoc.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 4c876950d5c00e8640720d61b331acdf557de17a26b73c3a1c23616adb1922b3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 12:54:45,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 12:54:45,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 12:54:45,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 12:54:45,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 12:54:45,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 12:54:45,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 12:54:45,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 12:54:46,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 12:54:46,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 12:54:46,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 12:54:46,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 12:54:46,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 12:54:46,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 12:54:46,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 12:54:46,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 12:54:46,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 12:54:46,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 12:54:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 12:54:46,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 12:54:46,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 12:54:46,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 12:54:46,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 12:54:46,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 12:54:46,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 12:54:46,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 12:54:46,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 12:54:46,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 12:54:46,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 12:54:46,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 12:54:46,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 12:54:46,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 12:54:46,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 12:54:46,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 12:54:46,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 12:54:46,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 12:54:46,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 12:54:46,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 12:54:46,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 12:54:46,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 12:54:46,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 12:54:46,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 12:54:46,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 12:54:46,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 12:54:46,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 12:54:46,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 12:54:46,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 12:54:46,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 12:54:46,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 12:54:46,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 12:54:46,057 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 12:54:46,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 12:54:46,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 12:54:46,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 12:54:46,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 12:54:46,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 12:54:46,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 12:54:46,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:54:46,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 12:54:46,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 12:54:46,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 12:54:46,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 12:54:46,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 12:54:46,061 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 12:54:46,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 12:54:46,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 12:54:46,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 12:54:46,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c876950d5c00e8640720d61b331acdf557de17a26b73c3a1c23616adb1922b3 [2021-11-17 12:54:46,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 12:54:46,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 12:54:46,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 12:54:46,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 12:54:46,284 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 12:54:46,285 INFO L432 ainManager$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--net--ethernet--ethoc.ko.cil.i [2021-11-17 12:54:46,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f92d522d/fd6c34605e084902995580ae1deedf96/FLAGce6ebc9b8 [2021-11-17 12:54:46,979 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 12:54:46,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2021-11-17 12:54:47,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f92d522d/fd6c34605e084902995580ae1deedf96/FLAGce6ebc9b8 [2021-11-17 12:54:47,085 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f92d522d/fd6c34605e084902995580ae1deedf96 [2021-11-17 12:54:47,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 12:54:47,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 12:54:47,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 12:54:47,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 12:54:47,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 12:54:47,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:54:47" (1/1) ... [2021-11-17 12:54:47,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de49181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:47, skipping insertion in model container [2021-11-17 12:54:47,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:54:47" (1/1) ... [2021-11-17 12:54:47,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 12:54:47,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 12:54:49,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379831,379844] [2021-11-17 12:54:49,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379976,379989] [2021-11-17 12:54:49,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380122,380135] [2021-11-17 12:54:49,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380287,380300] [2021-11-17 12:54:49,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380445,380458] [2021-11-17 12:54:49,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380603,380616] [2021-11-17 12:54:49,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380761,380774] [2021-11-17 12:54:49,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380921,380934] [2021-11-17 12:54:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381080,381093] [2021-11-17 12:54:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381219,381232] [2021-11-17 12:54:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381361,381374] [2021-11-17 12:54:49,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381510,381523] [2021-11-17 12:54:49,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381649,381662] [2021-11-17 12:54:49,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381804,381817] [2021-11-17 12:54:49,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381964,381977] [2021-11-17 12:54:49,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382115,382128] [2021-11-17 12:54:49,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382266,382279] [2021-11-17 12:54:49,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382418,382431] [2021-11-17 12:54:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382567,382580] [2021-11-17 12:54:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382715,382728] [2021-11-17 12:54:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382872,382885] [2021-11-17 12:54:49,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383021,383034] [2021-11-17 12:54:49,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383177,383190] [2021-11-17 12:54:49,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383330,383343] [2021-11-17 12:54:49,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383476,383489] [2021-11-17 12:54:49,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383619,383632] [2021-11-17 12:54:49,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383771,383784] [2021-11-17 12:54:49,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383917,383930] [2021-11-17 12:54:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384062,384075] [2021-11-17 12:54:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384216,384229] [2021-11-17 12:54:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384367,384380] [2021-11-17 12:54:49,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384522,384535] [2021-11-17 12:54:49,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384674,384687] [2021-11-17 12:54:49,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384829,384842] [2021-11-17 12:54:49,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384993,385006] [2021-11-17 12:54:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385149,385162] [2021-11-17 12:54:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385313,385326] [2021-11-17 12:54:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385455,385468] [2021-11-17 12:54:49,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385613,385626] [2021-11-17 12:54:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385780,385793] [2021-11-17 12:54:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385939,385952] [2021-11-17 12:54:49,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386098,386111] [2021-11-17 12:54:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386247,386260] [2021-11-17 12:54:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386394,386407] [2021-11-17 12:54:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386533,386546] [2021-11-17 12:54:49,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386696,386709] [2021-11-17 12:54:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386862,386875] [2021-11-17 12:54:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387026,387039] [2021-11-17 12:54:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387191,387204] [2021-11-17 12:54:49,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387356,387369] [2021-11-17 12:54:49,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387522,387535] [2021-11-17 12:54:49,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387687,387700] [2021-11-17 12:54:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387854,387867] [2021-11-17 12:54:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388014,388027] [2021-11-17 12:54:49,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388176,388189] [2021-11-17 12:54:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388335,388348] [2021-11-17 12:54:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388481,388494] [2021-11-17 12:54:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388624,388637] [2021-11-17 12:54:49,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388768,388781] [2021-11-17 12:54:49,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388911,388924] [2021-11-17 12:54:49,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389055,389068] [2021-11-17 12:54:49,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389196,389209] [2021-11-17 12:54:49,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389334,389347] [2021-11-17 12:54:49,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389492,389505] [2021-11-17 12:54:49,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389651,389664] [2021-11-17 12:54:49,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389807,389820] [2021-11-17 12:54:49,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389956,389969] [2021-11-17 12:54:49,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390108,390121] [2021-11-17 12:54:49,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390259,390272] [2021-11-17 12:54:49,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390408,390421] [2021-11-17 12:54:49,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390560,390573] [2021-11-17 12:54:49,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390708,390721] [2021-11-17 12:54:49,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390861,390874] [2021-11-17 12:54:49,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391012,391025] [2021-11-17 12:54:49,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391162,391175] [2021-11-17 12:54:49,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391309,391322] [2021-11-17 12:54:49,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391460,391473] [2021-11-17 12:54:49,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391611,391624] [2021-11-17 12:54:49,406 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--net--ethernet--ethoc.ko.cil.i[391759,391772] [2021-11-17 12:54:49,406 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--net--ethernet--ethoc.ko.cil.i[391925,391938] [2021-11-17 12:54:49,406 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--net--ethernet--ethoc.ko.cil.i[392094,392107] [2021-11-17 12:54:49,406 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--net--ethernet--ethoc.ko.cil.i[392261,392274] [2021-11-17 12:54:49,407 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--net--ethernet--ethoc.ko.cil.i[392429,392442] [2021-11-17 12:54:49,408 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--net--ethernet--ethoc.ko.cil.i[392579,392592] [2021-11-17 12:54:49,408 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--net--ethernet--ethoc.ko.cil.i[392726,392739] [2021-11-17 12:54:49,408 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--net--ethernet--ethoc.ko.cil.i[392887,392900] [2021-11-17 12:54:49,408 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--net--ethernet--ethoc.ko.cil.i[393057,393070] [2021-11-17 12:54:49,409 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--net--ethernet--ethoc.ko.cil.i[393219,393232] [2021-11-17 12:54:49,420 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:54:49,450 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 12:54:49,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379831,379844] [2021-11-17 12:54:49,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[379976,379989] [2021-11-17 12:54:49,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380122,380135] [2021-11-17 12:54:49,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380287,380300] [2021-11-17 12:54:49,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380445,380458] [2021-11-17 12:54:49,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380603,380616] [2021-11-17 12:54:49,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380761,380774] [2021-11-17 12:54:49,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[380921,380934] [2021-11-17 12:54:49,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381080,381093] [2021-11-17 12:54:49,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381219,381232] [2021-11-17 12:54:49,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381361,381374] [2021-11-17 12:54:49,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381510,381523] [2021-11-17 12:54:49,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381649,381662] [2021-11-17 12:54:49,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381804,381817] [2021-11-17 12:54:49,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[381964,381977] [2021-11-17 12:54:49,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382115,382128] [2021-11-17 12:54:49,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382266,382279] [2021-11-17 12:54:49,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382418,382431] [2021-11-17 12:54:49,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382567,382580] [2021-11-17 12:54:49,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382715,382728] [2021-11-17 12:54:49,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[382872,382885] [2021-11-17 12:54:49,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383021,383034] [2021-11-17 12:54:49,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383177,383190] [2021-11-17 12:54:49,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383330,383343] [2021-11-17 12:54:49,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383476,383489] [2021-11-17 12:54:49,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383619,383632] [2021-11-17 12:54:49,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383771,383784] [2021-11-17 12:54:49,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[383917,383930] [2021-11-17 12:54:49,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384062,384075] [2021-11-17 12:54:49,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384216,384229] [2021-11-17 12:54:49,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384367,384380] [2021-11-17 12:54:49,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384522,384535] [2021-11-17 12:54:49,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384674,384687] [2021-11-17 12:54:49,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384829,384842] [2021-11-17 12:54:49,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[384993,385006] [2021-11-17 12:54:49,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385149,385162] [2021-11-17 12:54:49,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385313,385326] [2021-11-17 12:54:49,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385455,385468] [2021-11-17 12:54:49,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385613,385626] [2021-11-17 12:54:49,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385780,385793] [2021-11-17 12:54:49,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[385939,385952] [2021-11-17 12:54:49,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386098,386111] [2021-11-17 12:54:49,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386247,386260] [2021-11-17 12:54:49,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386394,386407] [2021-11-17 12:54:49,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386533,386546] [2021-11-17 12:54:49,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386696,386709] [2021-11-17 12:54:49,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[386862,386875] [2021-11-17 12:54:49,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387026,387039] [2021-11-17 12:54:49,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387191,387204] [2021-11-17 12:54:49,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387356,387369] [2021-11-17 12:54:49,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387522,387535] [2021-11-17 12:54:49,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387687,387700] [2021-11-17 12:54:49,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[387854,387867] [2021-11-17 12:54:49,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388014,388027] [2021-11-17 12:54:49,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388176,388189] [2021-11-17 12:54:49,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388335,388348] [2021-11-17 12:54:49,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388481,388494] [2021-11-17 12:54:49,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388624,388637] [2021-11-17 12:54:49,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388768,388781] [2021-11-17 12:54:49,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[388911,388924] [2021-11-17 12:54:49,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389055,389068] [2021-11-17 12:54:49,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389196,389209] [2021-11-17 12:54:49,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389334,389347] [2021-11-17 12:54:49,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389492,389505] [2021-11-17 12:54:49,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389651,389664] [2021-11-17 12:54:49,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389807,389820] [2021-11-17 12:54:49,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[389956,389969] [2021-11-17 12:54:49,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390108,390121] [2021-11-17 12:54:49,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390259,390272] [2021-11-17 12:54:49,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390408,390421] [2021-11-17 12:54:49,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390560,390573] [2021-11-17 12:54:49,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390708,390721] [2021-11-17 12:54:49,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[390861,390874] [2021-11-17 12:54:49,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391012,391025] [2021-11-17 12:54:49,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391162,391175] [2021-11-17 12:54:49,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391309,391322] [2021-11-17 12:54:49,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391460,391473] [2021-11-17 12:54:49,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391611,391624] [2021-11-17 12:54:49,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391759,391772] [2021-11-17 12:54:49,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[391925,391938] [2021-11-17 12:54:49,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392094,392107] [2021-11-17 12:54:49,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392261,392274] [2021-11-17 12:54:49,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392429,392442] [2021-11-17 12:54:49,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392579,392592] [2021-11-17 12:54:49,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392726,392739] [2021-11-17 12:54:49,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[392887,392900] [2021-11-17 12:54:49,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393057,393070] [2021-11-17 12:54:49,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i[393219,393232] [2021-11-17 12:54:49,755 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 12:54:49,907 INFO L208 MainTranslator]: Completed translation [2021-11-17 12:54:49,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49 WrapperNode [2021-11-17 12:54:49,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 12:54:49,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 12:54:49,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 12:54:49,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 12:54:49,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:49,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,074 INFO L137 Inliner]: procedures = 660, calls = 1826, calls flagged for inlining = 326, calls inlined = 232, statements flattened = 3816 [2021-11-17 12:54:50,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 12:54:50,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 12:54:50,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 12:54:50,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 12:54:50,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 12:54:50,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 12:54:50,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 12:54:50,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 12:54:50,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (1/1) ... [2021-11-17 12:54:50,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 12:54:50,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:54:50,225 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) [2021-11-17 12:54:50,252 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 [2021-11-17 12:54:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:54:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 12:54:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read_bd [2021-11-17 12:54:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read_bd [2021-11-17 12:54:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 12:54:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 12:54:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 12:54:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 12:54:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:54:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 12:54:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_mdio_poll [2021-11-17 12:54:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_mdio_poll [2021-11-17 12:54:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:54:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 12:54:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 12:54:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_get_regs_len [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_get_regs_len [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_read [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_read [2021-11-17 12:54:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-17 12:54:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_do_set_mac_address [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_do_set_mac_address [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_init_ring [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_init_ring [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_nocache [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_nocache [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:54:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 12:54:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_interrupt [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_interrupt [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_probe [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_probe [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __devm_request_region [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __devm_request_region [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_resume [2021-11-17 12:54:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_resume [2021-11-17 12:54:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write_bd [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write_bd [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_write [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_write [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_remove [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_remove [2021-11-17 12:54:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_tx_timeout [2021-11-17 12:54:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_tx_timeout [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_stop [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_stop [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:54:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 12:54:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_ack_irq [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_ack_irq [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_rx_and_tx [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_rx_and_tx [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_rx_and_tx [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_rx_and_tx [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 12:54:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 12:54:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_enable_irq [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_enable_irq [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_open [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_open [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ethoc_disable_irq [2021-11-17 12:54:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ethoc_disable_irq [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 12:54:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-11-17 12:54:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-11-17 12:54:50,888 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 12:54:50,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 12:54:50,964 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 12:55:04,356 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 12:55:04,370 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 12:55:04,371 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-17 12:55:04,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:55:04 BoogieIcfgContainer [2021-11-17 12:55:04,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 12:55:04,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 12:55:04,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 12:55:04,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 12:55:04,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:54:47" (1/3) ... [2021-11-17 12:55:04,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cac23e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:55:04, skipping insertion in model container [2021-11-17 12:55:04,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:54:49" (2/3) ... [2021-11-17 12:55:04,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cac23e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:55:04, skipping insertion in model container [2021-11-17 12:55:04,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:55:04" (3/3) ... [2021-11-17 12:55:04,379 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--ethoc.ko.cil.i [2021-11-17 12:55:04,381 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 12:55:04,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-11-17 12:55:04,429 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 12:55:04,439 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 12:55:04,446 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-11-17 12:55:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 1387 states, 960 states have (on average 1.2645833333333334) internal successors, (1214), 1008 states have internal predecessors, (1214), 315 states have call successors, (315), 85 states have call predecessors, (315), 84 states have return successors, (309), 307 states have call predecessors, (309), 309 states have call successors, (309) [2021-11-17 12:55:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 12:55:04,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:04,498 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-17 12:55:04,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:55:04,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:04,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1250674328, now seen corresponding path program 1 times [2021-11-17 12:55:04,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:04,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304811000] [2021-11-17 12:55:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:04,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:05,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:05,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304811000] [2021-11-17 12:55:05,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304811000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:05,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:05,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:05,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264825004] [2021-11-17 12:55:05,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:05,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:05,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:05,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:05,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:05,156 INFO L87 Difference]: Start difference. First operand has 1387 states, 960 states have (on average 1.2645833333333334) internal successors, (1214), 1008 states have internal predecessors, (1214), 315 states have call successors, (315), 85 states have call predecessors, (315), 84 states have return successors, (309), 307 states have call predecessors, (309), 309 states have call successors, (309) Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:55:07,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:09,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:16,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:16,969 INFO L93 Difference]: Finished difference Result 2982 states and 4074 transitions. [2021-11-17 12:55:16,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:16,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2021-11-17 12:55:16,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:16,999 INFO L225 Difference]: With dead ends: 2982 [2021-11-17 12:55:17,000 INFO L226 Difference]: Without dead ends: 1605 [2021-11-17 12:55:17,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:17,014 INFO L933 BasicCegarLoop]: 1745 mSDtfsCounter, 3207 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 1688 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 2858 SdHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1688 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:17,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3318 Valid, 2858 Invalid, 3815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1688 Valid, 2125 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2021-11-17 12:55:17,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2021-11-17 12:55:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1345. [2021-11-17 12:55:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 927 states have (on average 1.2146709816612729) internal successors, (1126), 970 states have internal predecessors, (1126), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:55:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1742 transitions. [2021-11-17 12:55:17,148 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1742 transitions. Word has length 64 [2021-11-17 12:55:17,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:17,149 INFO L470 AbstractCegarLoop]: Abstraction has 1345 states and 1742 transitions. [2021-11-17 12:55:17,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:55:17,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1742 transitions. [2021-11-17 12:55:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 12:55:17,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:17,156 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-17 12:55:17,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 12:55:17,157 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:55:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:17,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1647943538, now seen corresponding path program 1 times [2021-11-17 12:55:17,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:17,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352979029] [2021-11-17 12:55:17,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:17,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:17,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:17,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352979029] [2021-11-17 12:55:17,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352979029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:17,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:17,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:17,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803143907] [2021-11-17 12:55:17,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:17,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:17,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:17,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:17,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:17,496 INFO L87 Difference]: Start difference. First operand 1345 states and 1742 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-11-17 12:55:19,520 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:21,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:29,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:29,187 INFO L93 Difference]: Finished difference Result 1605 states and 2130 transitions. [2021-11-17 12:55:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:29,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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 70 [2021-11-17 12:55:29,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:29,194 INFO L225 Difference]: With dead ends: 1605 [2021-11-17 12:55:29,194 INFO L226 Difference]: Without dead ends: 1603 [2021-11-17 12:55:29,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:29,197 INFO L933 BasicCegarLoop]: 1675 mSDtfsCounter, 3248 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 1696 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3356 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 3769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1696 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:29,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3356 Valid, 2757 Invalid, 3769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1696 Valid, 2071 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-11-17 12:55:29,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2021-11-17 12:55:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1343. [2021-11-17 12:55:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 926 states have (on average 1.2138228941684666) internal successors, (1124), 968 states have internal predecessors, (1124), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:55:29,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1740 transitions. [2021-11-17 12:55:29,268 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1740 transitions. Word has length 70 [2021-11-17 12:55:29,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:29,270 INFO L470 AbstractCegarLoop]: Abstraction has 1343 states and 1740 transitions. [2021-11-17 12:55:29,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-11-17 12:55:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1740 transitions. [2021-11-17 12:55:29,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-17 12:55:29,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:29,274 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-17 12:55:29,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 12:55:29,274 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:55:29,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:29,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1626759181, now seen corresponding path program 1 times [2021-11-17 12:55:29,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:29,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523323459] [2021-11-17 12:55:29,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:29,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:29,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:29,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523323459] [2021-11-17 12:55:29,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523323459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:29,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:29,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:29,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729431917] [2021-11-17 12:55:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:29,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:29,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:29,635 INFO L87 Difference]: Start difference. First operand 1343 states and 1740 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-17 12:55:31,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:33,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:41,648 INFO L93 Difference]: Finished difference Result 1603 states and 2128 transitions. [2021-11-17 12:55:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:41,648 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 76 [2021-11-17 12:55:41,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:41,655 INFO L225 Difference]: With dead ends: 1603 [2021-11-17 12:55:41,655 INFO L226 Difference]: Without dead ends: 1601 [2021-11-17 12:55:41,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:41,657 INFO L933 BasicCegarLoop]: 1725 mSDtfsCounter, 3156 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 1669 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 2816 SdHoareTripleChecker+Invalid, 3783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1669 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:41,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3263 Valid, 2816 Invalid, 3783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1669 Valid, 2112 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2021-11-17 12:55:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1601 states. [2021-11-17 12:55:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1601 to 1341. [2021-11-17 12:55:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1341 states, 925 states have (on average 1.212972972972973) internal successors, (1122), 966 states have internal predecessors, (1122), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:55:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1738 transitions. [2021-11-17 12:55:41,695 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1738 transitions. Word has length 76 [2021-11-17 12:55:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:41,696 INFO L470 AbstractCegarLoop]: Abstraction has 1341 states and 1738 transitions. [2021-11-17 12:55:41,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-17 12:55:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1738 transitions. [2021-11-17 12:55:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-17 12:55:41,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:41,697 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-17 12:55:41,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 12:55:41,697 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:55:41,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1712053701, now seen corresponding path program 1 times [2021-11-17 12:55:41,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:41,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832477501] [2021-11-17 12:55:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:41,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:41,948 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:41,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:41,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832477501] [2021-11-17 12:55:41,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832477501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:41,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:41,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:41,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232956187] [2021-11-17 12:55:41,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:41,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:41,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:41,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:41,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:41,950 INFO L87 Difference]: Start difference. First operand 1341 states and 1738 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-17 12:55:43,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:46,103 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:55:53,665 INFO L93 Difference]: Finished difference Result 1601 states and 2126 transitions. [2021-11-17 12:55:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:55:53,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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 82 [2021-11-17 12:55:53,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:55:53,671 INFO L225 Difference]: With dead ends: 1601 [2021-11-17 12:55:53,671 INFO L226 Difference]: Without dead ends: 1599 [2021-11-17 12:55:53,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:55:53,672 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 3340 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 1717 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1717 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:55:53,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3446 Valid, 2687 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1717 Valid, 2015 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-11-17 12:55:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2021-11-17 12:55:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1339. [2021-11-17 12:55:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 924 states have (on average 1.2121212121212122) internal successors, (1120), 964 states have internal predecessors, (1120), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:55:53,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1736 transitions. [2021-11-17 12:55:53,713 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1736 transitions. Word has length 82 [2021-11-17 12:55:53,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:55:53,713 INFO L470 AbstractCegarLoop]: Abstraction has 1339 states and 1736 transitions. [2021-11-17 12:55:53,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-11-17 12:55:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1736 transitions. [2021-11-17 12:55:53,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-17 12:55:53,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:55:53,714 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:55:53,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 12:55:53,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:55:53,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:55:53,715 INFO L85 PathProgramCache]: Analyzing trace with hash -635082815, now seen corresponding path program 1 times [2021-11-17 12:55:53,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:55:53,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273592614] [2021-11-17 12:55:53,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:55:53,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:55:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:55:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:55:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:55:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:55:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:55:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:55:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:55:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:55:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:55:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:55:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:55:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:55:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:55:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:55:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:55:53,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:55:53,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273592614] [2021-11-17 12:55:53,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273592614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:55:53,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:55:53,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:55:53,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429621195] [2021-11-17 12:55:53,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:55:53,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:55:53,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:55:53,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:55:53,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:55:53,996 INFO L87 Difference]: Start difference. First operand 1339 states and 1736 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2021-11-17 12:55:56,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:55:58,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:06,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:06,209 INFO L93 Difference]: Finished difference Result 1599 states and 2124 transitions. [2021-11-17 12:56:06,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:06,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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 88 [2021-11-17 12:56:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:06,216 INFO L225 Difference]: With dead ends: 1599 [2021-11-17 12:56:06,217 INFO L226 Difference]: Without dead ends: 1597 [2021-11-17 12:56:06,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:06,218 INFO L933 BasicCegarLoop]: 1696 mSDtfsCounter, 3198 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 1663 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:06,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3303 Valid, 2789 Invalid, 3746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1663 Valid, 2081 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-17 12:56:06,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2021-11-17 12:56:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1337. [2021-11-17 12:56:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 923 states have (on average 1.2112676056338028) internal successors, (1118), 962 states have internal predecessors, (1118), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:56:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1734 transitions. [2021-11-17 12:56:06,260 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1734 transitions. Word has length 88 [2021-11-17 12:56:06,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:06,261 INFO L470 AbstractCegarLoop]: Abstraction has 1337 states and 1734 transitions. [2021-11-17 12:56:06,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2021-11-17 12:56:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1734 transitions. [2021-11-17 12:56:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-17 12:56:06,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:06,262 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:06,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 12:56:06,262 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:56:06,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:06,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1926208937, now seen corresponding path program 1 times [2021-11-17 12:56:06,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:06,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426280513] [2021-11-17 12:56:06,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:06,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:06,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:06,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426280513] [2021-11-17 12:56:06,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426280513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:06,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:06,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:06,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286494959] [2021-11-17 12:56:06,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:06,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:06,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:06,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:06,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:06,562 INFO L87 Difference]: Start difference. First operand 1337 states and 1734 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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) [2021-11-17 12:56:08,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:10,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:18,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:18,977 INFO L93 Difference]: Finished difference Result 1597 states and 2122 transitions. [2021-11-17 12:56:18,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:18,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 94 [2021-11-17 12:56:18,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:18,984 INFO L225 Difference]: With dead ends: 1597 [2021-11-17 12:56:18,984 INFO L226 Difference]: Without dead ends: 1595 [2021-11-17 12:56:18,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:18,985 INFO L933 BasicCegarLoop]: 1624 mSDtfsCounter, 3300 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 1711 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:18,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3404 Valid, 2701 Invalid, 3738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1711 Valid, 2025 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2021-11-17 12:56:18,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2021-11-17 12:56:19,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1335. [2021-11-17 12:56:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1335 states, 922 states have (on average 1.210412147505423) internal successors, (1116), 960 states have internal predecessors, (1116), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:56:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1335 states and 1732 transitions. [2021-11-17 12:56:19,026 INFO L78 Accepts]: Start accepts. Automaton has 1335 states and 1732 transitions. Word has length 94 [2021-11-17 12:56:19,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:19,027 INFO L470 AbstractCegarLoop]: Abstraction has 1335 states and 1732 transitions. [2021-11-17 12:56:19,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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) [2021-11-17 12:56:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1732 transitions. [2021-11-17 12:56:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-17 12:56:19,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:19,028 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:19,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 12:56:19,028 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:56:19,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:19,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1528685622, now seen corresponding path program 1 times [2021-11-17 12:56:19,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:19,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815373172] [2021-11-17 12:56:19,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:19,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:19,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:19,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815373172] [2021-11-17 12:56:19,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815373172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:19,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:19,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:19,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640799334] [2021-11-17 12:56:19,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:19,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:19,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:19,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:19,295 INFO L87 Difference]: Start difference. First operand 1335 states and 1732 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-17 12:56:21,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:23,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:31,637 INFO L93 Difference]: Finished difference Result 1595 states and 2120 transitions. [2021-11-17 12:56:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:31,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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 100 [2021-11-17 12:56:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:31,651 INFO L225 Difference]: With dead ends: 1595 [2021-11-17 12:56:31,663 INFO L226 Difference]: Without dead ends: 1593 [2021-11-17 12:56:31,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:31,665 INFO L933 BasicCegarLoop]: 1626 mSDtfsCounter, 3282 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 2029 mSolverCounterSat, 1717 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3385 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 3748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1717 IncrementalHoareTripleChecker+Valid, 2029 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:31,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3385 Valid, 2701 Invalid, 3748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1717 Valid, 2029 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2021-11-17 12:56:31,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2021-11-17 12:56:31,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1333. [2021-11-17 12:56:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1333 states, 921 states have (on average 1.209554831704669) internal successors, (1114), 958 states have internal predecessors, (1114), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:56:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1730 transitions. [2021-11-17 12:56:31,755 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1730 transitions. Word has length 100 [2021-11-17 12:56:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:31,755 INFO L470 AbstractCegarLoop]: Abstraction has 1333 states and 1730 transitions. [2021-11-17 12:56:31,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 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) [2021-11-17 12:56:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1730 transitions. [2021-11-17 12:56:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 12:56:31,757 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:31,757 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:31,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 12:56:31,758 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:56:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:31,758 INFO L85 PathProgramCache]: Analyzing trace with hash -798309861, now seen corresponding path program 1 times [2021-11-17 12:56:31,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:31,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683732959] [2021-11-17 12:56:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:31,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:56:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:56:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:56:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:56:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:56:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:56:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:56:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:56:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:56:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:56:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:56:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:56:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:56:32,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:32,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683732959] [2021-11-17 12:56:32,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683732959] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:32,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:32,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:56:32,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921140896] [2021-11-17 12:56:32,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:32,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:56:32,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:32,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:56:32,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:56:32,094 INFO L87 Difference]: Start difference. First operand 1333 states and 1730 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2021-11-17 12:56:34,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:36,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:44,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:56:44,426 INFO L93 Difference]: Finished difference Result 1593 states and 2118 transitions. [2021-11-17 12:56:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:56:44,427 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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 106 [2021-11-17 12:56:44,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:56:44,434 INFO L225 Difference]: With dead ends: 1593 [2021-11-17 12:56:44,434 INFO L226 Difference]: Without dead ends: 1591 [2021-11-17 12:56:44,435 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:56:44,436 INFO L933 BasicCegarLoop]: 1641 mSDtfsCounter, 3264 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 1690 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1690 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:56:44,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3366 Valid, 2725 Invalid, 3723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1690 Valid, 2031 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2021-11-17 12:56:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2021-11-17 12:56:44,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1331. [2021-11-17 12:56:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 920 states have (on average 1.208695652173913) internal successors, (1112), 956 states have internal predecessors, (1112), 309 states have call successors, (309), 84 states have call predecessors, (309), 83 states have return successors, (307), 305 states have call predecessors, (307), 307 states have call successors, (307) [2021-11-17 12:56:44,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1728 transitions. [2021-11-17 12:56:44,497 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1728 transitions. Word has length 106 [2021-11-17 12:56:44,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:56:44,497 INFO L470 AbstractCegarLoop]: Abstraction has 1331 states and 1728 transitions. [2021-11-17 12:56:44,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2021-11-17 12:56:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1728 transitions. [2021-11-17 12:56:44,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-17 12:56:44,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:56:44,499 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:56:44,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 12:56:44,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:56:44,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:56:44,500 INFO L85 PathProgramCache]: Analyzing trace with hash 216340555, now seen corresponding path program 1 times [2021-11-17 12:56:44,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:56:44,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946994930] [2021-11-17 12:56:44,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:56:44,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:56:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:56:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:56:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:56:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:56:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:56:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:56:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:56:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:56:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 12:56:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:44,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 12:56:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:45,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 12:56:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:45,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:56:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:45,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:56:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:56:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-11-17 12:56:45,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:56:45,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946994930] [2021-11-17 12:56:45,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946994930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:56:45,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:56:45,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 12:56:45,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406611978] [2021-11-17 12:56:45,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:56:45,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 12:56:45,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:56:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 12:56:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 12:56:45,027 INFO L87 Difference]: Start difference. First operand 1331 states and 1728 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 12:56:47,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:49,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:56:51,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:08,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:08,924 INFO L93 Difference]: Finished difference Result 4119 states and 5520 transitions. [2021-11-17 12:57:08,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 12:57:08,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 116 [2021-11-17 12:57:08,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:08,940 INFO L225 Difference]: With dead ends: 4119 [2021-11-17 12:57:08,940 INFO L226 Difference]: Without dead ends: 2807 [2021-11-17 12:57:08,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-17 12:57:08,945 INFO L933 BasicCegarLoop]: 1731 mSDtfsCounter, 5678 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 4128 mSolverCounterSat, 3804 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5812 SdHoareTripleChecker+Valid, 2662 SdHoareTripleChecker+Invalid, 7935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3804 IncrementalHoareTripleChecker+Valid, 4128 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:08,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5812 Valid, 2662 Invalid, 7935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3804 Valid, 4128 Invalid, 3 Unknown, 0 Unchecked, 23.0s Time] [2021-11-17 12:57:08,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2021-11-17 12:57:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2664. [2021-11-17 12:57:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 1882 states have (on average 1.2167906482465463) internal successors, (2290), 1938 states have internal predecessors, (2290), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:57:09,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3569 transitions. [2021-11-17 12:57:09,058 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3569 transitions. Word has length 116 [2021-11-17 12:57:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:09,059 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 3569 transitions. [2021-11-17 12:57:09,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (15), 5 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 12:57:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3569 transitions. [2021-11-17 12:57:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 12:57:09,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:09,061 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:09,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 12:57:09,062 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:57:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:09,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1623502686, now seen corresponding path program 1 times [2021-11-17 12:57:09,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:09,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924472027] [2021-11-17 12:57:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:09,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:57:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:57:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:57:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:57:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:57:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:57:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:57:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:57:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:57:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:57:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:57:09,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:09,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924472027] [2021-11-17 12:57:09,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924472027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:09,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:09,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:57:09,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114982013] [2021-11-17 12:57:09,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:09,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:57:09,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:09,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:57:09,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:57:09,343 INFO L87 Difference]: Start difference. First operand 2664 states and 3569 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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) [2021-11-17 12:57:11,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:13,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:22,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:22,553 INFO L93 Difference]: Finished difference Result 2664 states and 3569 transitions. [2021-11-17 12:57:22,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:57:22,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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 108 [2021-11-17 12:57:22,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:22,567 INFO L225 Difference]: With dead ends: 2664 [2021-11-17 12:57:22,568 INFO L226 Difference]: Without dead ends: 2662 [2021-11-17 12:57:22,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:57:22,569 INFO L933 BasicCegarLoop]: 1791 mSDtfsCounter, 3000 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 2159 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 3773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2159 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:22,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3102 Valid, 2901 Invalid, 3773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2159 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2021-11-17 12:57:22,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2021-11-17 12:57:22,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2021-11-17 12:57:22,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 1881 states have (on average 1.2163742690058479) internal successors, (2288), 1936 states have internal predecessors, (2288), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:57:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3567 transitions. [2021-11-17 12:57:22,688 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3567 transitions. Word has length 108 [2021-11-17 12:57:22,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:22,688 INFO L470 AbstractCegarLoop]: Abstraction has 2662 states and 3567 transitions. [2021-11-17 12:57:22,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (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) [2021-11-17 12:57:22,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3567 transitions. [2021-11-17 12:57:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-17 12:57:22,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:22,690 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:22,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 12:57:22,691 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:57:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash -606782150, now seen corresponding path program 1 times [2021-11-17 12:57:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:22,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445375494] [2021-11-17 12:57:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:22,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 12:57:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 12:57:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 12:57:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:57:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 12:57:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:57:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 12:57:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 12:57:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 12:57:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 12:57:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-17 12:57:23,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:23,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445375494] [2021-11-17 12:57:23,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445375494] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:57:23,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713311763] [2021-11-17 12:57:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:23,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:57:23,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:57:23,219 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) [2021-11-17 12:57:23,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 12:57:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:23,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 12:57:23,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:57:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-17 12:57:24,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 12:57:24,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713311763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:24,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 12:57:24,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-17 12:57:24,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213694127] [2021-11-17 12:57:24,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:24,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 12:57:24,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:24,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 12:57:24,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:57:24,218 INFO L87 Difference]: Start difference. First operand 2662 states and 3567 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:57:24,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:24,369 INFO L93 Difference]: Finished difference Result 5301 states and 7102 transitions. [2021-11-17 12:57:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 12:57:24,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 2 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 122 [2021-11-17 12:57:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:24,382 INFO L225 Difference]: With dead ends: 5301 [2021-11-17 12:57:24,383 INFO L226 Difference]: Without dead ends: 2658 [2021-11-17 12:57:24,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:57:24,392 INFO L933 BasicCegarLoop]: 1720 mSDtfsCounter, 1679 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1679 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:24,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1679 Valid, 1720 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 12:57:24,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2021-11-17 12:57:24,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2658. [2021-11-17 12:57:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 1878 states have (on average 1.2156549520766773) internal successors, (2283), 1932 states have internal predecessors, (2283), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:57:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 3562 transitions. [2021-11-17 12:57:24,585 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 3562 transitions. Word has length 122 [2021-11-17 12:57:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:24,587 INFO L470 AbstractCegarLoop]: Abstraction has 2658 states and 3562 transitions. [2021-11-17 12:57:24,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 12:57:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3562 transitions. [2021-11-17 12:57:24,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 12:57:24,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:24,588 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:24,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 12:57:24,810 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,SelfDestructingSolverStorable10 [2021-11-17 12:57:24,810 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:57:24,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:24,811 INFO L85 PathProgramCache]: Analyzing trace with hash -491515099, now seen corresponding path program 1 times [2021-11-17 12:57:24,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:24,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329804404] [2021-11-17 12:57:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:24,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:57:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:57:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:57:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:57:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:57:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:57:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:57:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:57:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:57:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:57:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:57:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:25,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:57:25,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:25,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329804404] [2021-11-17 12:57:25,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329804404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:25,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:25,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:57:25,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827199545] [2021-11-17 12:57:25,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:25,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:57:25,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:25,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:57:25,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:57:25,117 INFO L87 Difference]: Start difference. First operand 2658 states and 3562 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-17 12:57:27,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:29,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:37,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:37,824 INFO L93 Difference]: Finished difference Result 2658 states and 3562 transitions. [2021-11-17 12:57:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:57:37,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 114 [2021-11-17 12:57:37,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:37,834 INFO L225 Difference]: With dead ends: 2658 [2021-11-17 12:57:37,834 INFO L226 Difference]: Without dead ends: 2656 [2021-11-17 12:57:37,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:57:37,836 INFO L933 BasicCegarLoop]: 1784 mSDtfsCounter, 2991 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 3770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:37,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3092 Valid, 2880 Invalid, 3770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2156 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2021-11-17 12:57:37,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2021-11-17 12:57:37,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2656. [2021-11-17 12:57:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 1877 states have (on average 1.2152370804475225) internal successors, (2281), 1930 states have internal predecessors, (2281), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:57:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3560 transitions. [2021-11-17 12:57:37,945 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3560 transitions. Word has length 114 [2021-11-17 12:57:37,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:37,946 INFO L470 AbstractCegarLoop]: Abstraction has 2656 states and 3560 transitions. [2021-11-17 12:57:37,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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) [2021-11-17 12:57:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3560 transitions. [2021-11-17 12:57:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-17 12:57:37,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:37,947 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:37,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 12:57:37,948 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:57:37,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:37,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1345376681, now seen corresponding path program 1 times [2021-11-17 12:57:37,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:37,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931855594] [2021-11-17 12:57:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:37,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:57:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:57:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:57:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:57:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:57:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:57:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:57:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:57:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:57:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:57:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:57:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:57:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:57:38,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:38,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931855594] [2021-11-17 12:57:38,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931855594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:38,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:38,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:57:38,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110592762] [2021-11-17 12:57:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:38,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:57:38,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:38,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:57:38,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:57:38,234 INFO L87 Difference]: Start difference. First operand 2656 states and 3560 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2021-11-17 12:57:40,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:42,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:51,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:57:51,516 INFO L93 Difference]: Finished difference Result 2656 states and 3560 transitions. [2021-11-17 12:57:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:57:51,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 120 [2021-11-17 12:57:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:57:51,525 INFO L225 Difference]: With dead ends: 2656 [2021-11-17 12:57:51,525 INFO L226 Difference]: Without dead ends: 2654 [2021-11-17 12:57:51,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:57:51,527 INFO L933 BasicCegarLoop]: 1782 mSDtfsCounter, 2985 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:57:51,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3085 Valid, 2878 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2154 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 12:57:51,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2021-11-17 12:57:51,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2654. [2021-11-17 12:57:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2654 states, 1876 states have (on average 1.214818763326226) internal successors, (2279), 1928 states have internal predecessors, (2279), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:57:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3558 transitions. [2021-11-17 12:57:51,646 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3558 transitions. Word has length 120 [2021-11-17 12:57:51,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:57:51,646 INFO L470 AbstractCegarLoop]: Abstraction has 2654 states and 3558 transitions. [2021-11-17 12:57:51,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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) [2021-11-17 12:57:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3558 transitions. [2021-11-17 12:57:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 12:57:51,648 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:57:51,648 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:57:51,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 12:57:51,648 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:57:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:57:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1675560938, now seen corresponding path program 1 times [2021-11-17 12:57:51,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:57:51,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512846338] [2021-11-17 12:57:51,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:57:51,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:57:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:57:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:57:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:57:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:57:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:57:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:57:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:57:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:57:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:57:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:57:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:57:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:57:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:57:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:57:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:57:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:57:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:57:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:57:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:57:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:57:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:57:51,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:57:51,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512846338] [2021-11-17 12:57:51,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512846338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:57:51,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:57:51,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:57:51,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713445697] [2021-11-17 12:57:51,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:57:51,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:57:51,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:57:51,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:57:51,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:57:51,910 INFO L87 Difference]: Start difference. First operand 2654 states and 3558 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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) [2021-11-17 12:57:53,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:57:56,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:05,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:05,313 INFO L93 Difference]: Finished difference Result 2654 states and 3558 transitions. [2021-11-17 12:58:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:58:05,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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 126 [2021-11-17 12:58:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:05,322 INFO L225 Difference]: With dead ends: 2654 [2021-11-17 12:58:05,322 INFO L226 Difference]: Without dead ends: 2652 [2021-11-17 12:58:05,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:58:05,323 INFO L933 BasicCegarLoop]: 1780 mSDtfsCounter, 2979 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3078 SdHoareTripleChecker+Valid, 2876 SdHoareTripleChecker+Invalid, 3766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:05,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3078 Valid, 2876 Invalid, 3766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2152 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 12:58:05,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2652 states. [2021-11-17 12:58:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2652 to 2652. [2021-11-17 12:58:05,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2652 states, 1875 states have (on average 1.2144) internal successors, (2277), 1926 states have internal predecessors, (2277), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:58:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2652 states and 3556 transitions. [2021-11-17 12:58:05,446 INFO L78 Accepts]: Start accepts. Automaton has 2652 states and 3556 transitions. Word has length 126 [2021-11-17 12:58:05,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:05,446 INFO L470 AbstractCegarLoop]: Abstraction has 2652 states and 3556 transitions. [2021-11-17 12:58:05,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 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) [2021-11-17 12:58:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3556 transitions. [2021-11-17 12:58:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 12:58:05,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:05,448 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:05,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 12:58:05,448 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:58:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:05,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1171419271, now seen corresponding path program 1 times [2021-11-17 12:58:05,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:05,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220046548] [2021-11-17 12:58:05,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:05,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:58:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:58:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:58:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:58:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:58:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:58:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:58:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:58:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:58:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:58:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:58:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:58:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:58:05,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:05,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220046548] [2021-11-17 12:58:05,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220046548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:05,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:05,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:58:05,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910243386] [2021-11-17 12:58:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:05,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:58:05,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:05,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:58:05,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:58:05,701 INFO L87 Difference]: Start difference. First operand 2652 states and 3556 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 12:58:07,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:09,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:18,816 INFO L93 Difference]: Finished difference Result 2652 states and 3556 transitions. [2021-11-17 12:58:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:58:18,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2021-11-17 12:58:18,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:18,850 INFO L225 Difference]: With dead ends: 2652 [2021-11-17 12:58:18,851 INFO L226 Difference]: Without dead ends: 2650 [2021-11-17 12:58:18,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:58:18,855 INFO L933 BasicCegarLoop]: 1778 mSDtfsCounter, 2973 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3071 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 3764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:18,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3071 Valid, 2874 Invalid, 3764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2150 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2021-11-17 12:58:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2021-11-17 12:58:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2021-11-17 12:58:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 1874 states have (on average 1.2139807897545358) internal successors, (2275), 1924 states have internal predecessors, (2275), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:58:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3554 transitions. [2021-11-17 12:58:19,084 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3554 transitions. Word has length 132 [2021-11-17 12:58:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:19,084 INFO L470 AbstractCegarLoop]: Abstraction has 2650 states and 3554 transitions. [2021-11-17 12:58:19,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 12:58:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3554 transitions. [2021-11-17 12:58:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 12:58:19,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:19,086 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:19,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 12:58:19,086 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:58:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash 380573403, now seen corresponding path program 1 times [2021-11-17 12:58:19,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:19,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805593985] [2021-11-17 12:58:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:19,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:58:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:58:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:58:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:58:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:58:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:58:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:58:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:58:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:58:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:58:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:58:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:58:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:58:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:58:19,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:19,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805593985] [2021-11-17 12:58:19,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805593985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:19,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:19,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:58:19,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902284570] [2021-11-17 12:58:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:19,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:58:19,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:58:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:58:19,340 INFO L87 Difference]: Start difference. First operand 2650 states and 3554 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:58:21,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:23,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:32,512 INFO L93 Difference]: Finished difference Result 2650 states and 3554 transitions. [2021-11-17 12:58:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:58:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2021-11-17 12:58:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:32,519 INFO L225 Difference]: With dead ends: 2650 [2021-11-17 12:58:32,519 INFO L226 Difference]: Without dead ends: 2648 [2021-11-17 12:58:32,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:58:32,520 INFO L933 BasicCegarLoop]: 1776 mSDtfsCounter, 2967 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2148 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 3762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2148 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:32,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3064 Valid, 2872 Invalid, 3762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2148 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2021-11-17 12:58:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2021-11-17 12:58:32,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2648. [2021-11-17 12:58:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 1873 states have (on average 1.213561131873999) internal successors, (2273), 1922 states have internal predecessors, (2273), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:58:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 3552 transitions. [2021-11-17 12:58:32,640 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 3552 transitions. Word has length 138 [2021-11-17 12:58:32,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:32,642 INFO L470 AbstractCegarLoop]: Abstraction has 2648 states and 3552 transitions. [2021-11-17 12:58:32,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-17 12:58:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3552 transitions. [2021-11-17 12:58:32,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-17 12:58:32,644 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:32,644 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:32,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 12:58:32,644 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:58:32,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:32,645 INFO L85 PathProgramCache]: Analyzing trace with hash -165186620, now seen corresponding path program 1 times [2021-11-17 12:58:32,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:32,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423851519] [2021-11-17 12:58:32,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:32,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:58:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:58:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:58:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:58:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:58:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:58:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:58:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:58:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:58:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:58:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:58:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:58:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:58:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:58:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:58:32,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:32,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423851519] [2021-11-17 12:58:32,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423851519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:32,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:32,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:58:32,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11480531] [2021-11-17 12:58:32,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:32,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:58:32,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:32,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:58:32,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:58:32,979 INFO L87 Difference]: Start difference. First operand 2648 states and 3552 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:58:35,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:37,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:46,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:58:46,416 INFO L93 Difference]: Finished difference Result 2648 states and 3552 transitions. [2021-11-17 12:58:46,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:58:46,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2021-11-17 12:58:46,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:58:46,423 INFO L225 Difference]: With dead ends: 2648 [2021-11-17 12:58:46,423 INFO L226 Difference]: Without dead ends: 2646 [2021-11-17 12:58:46,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:58:46,424 INFO L933 BasicCegarLoop]: 1774 mSDtfsCounter, 2961 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 3760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:58:46,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3057 Valid, 2870 Invalid, 3760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2146 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 12:58:46,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2021-11-17 12:58:46,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 2646. [2021-11-17 12:58:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1872 states have (on average 1.2131410256410255) internal successors, (2271), 1920 states have internal predecessors, (2271), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:58:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3550 transitions. [2021-11-17 12:58:46,586 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3550 transitions. Word has length 144 [2021-11-17 12:58:46,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:58:46,587 INFO L470 AbstractCegarLoop]: Abstraction has 2646 states and 3550 transitions. [2021-11-17 12:58:46,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-17 12:58:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3550 transitions. [2021-11-17 12:58:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-17 12:58:46,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:58:46,589 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:58:46,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 12:58:46,589 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:58:46,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:58:46,589 INFO L85 PathProgramCache]: Analyzing trace with hash -267078963, now seen corresponding path program 1 times [2021-11-17 12:58:46,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:58:46,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989758783] [2021-11-17 12:58:46,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:58:46,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:58:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:58:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:58:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:58:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:58:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:58:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:58:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:58:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:58:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:58:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:58:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:58:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:58:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:58:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:58:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:58:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:58:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:58:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:58:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:58:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:58:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:58:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:58:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:58:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:58:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:58:46,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:58:46,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989758783] [2021-11-17 12:58:46,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989758783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:58:46,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:58:46,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:58:46,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901812506] [2021-11-17 12:58:46,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:58:46,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:58:46,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:58:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:58:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:58:46,959 INFO L87 Difference]: Start difference. First operand 2646 states and 3550 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:58:48,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:58:51,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:01,175 INFO L93 Difference]: Finished difference Result 2646 states and 3550 transitions. [2021-11-17 12:59:01,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:01,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2021-11-17 12:59:01,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:01,183 INFO L225 Difference]: With dead ends: 2646 [2021-11-17 12:59:01,183 INFO L226 Difference]: Without dead ends: 2644 [2021-11-17 12:59:01,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:01,184 INFO L933 BasicCegarLoop]: 1772 mSDtfsCounter, 2955 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 3758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:01,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3050 Valid, 2868 Invalid, 3758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2144 Invalid, 2 Unknown, 0 Unchecked, 13.7s Time] [2021-11-17 12:59:01,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2644 states. [2021-11-17 12:59:01,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2644 to 2644. [2021-11-17 12:59:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1871 states have (on average 1.2127204703367183) internal successors, (2269), 1918 states have internal predecessors, (2269), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:59:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3548 transitions. [2021-11-17 12:59:01,349 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3548 transitions. Word has length 150 [2021-11-17 12:59:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:01,350 INFO L470 AbstractCegarLoop]: Abstraction has 2644 states and 3548 transitions. [2021-11-17 12:59:01,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 12:59:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3548 transitions. [2021-11-17 12:59:01,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-17 12:59:01,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:01,352 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:01,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 12:59:01,352 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:59:01,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:01,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1900124604, now seen corresponding path program 1 times [2021-11-17 12:59:01,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:01,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417607737] [2021-11-17 12:59:01,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:01,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:59:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:59:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:59:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:59:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:59:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:59:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:59:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:59:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:59:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:59:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:59:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:59:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:59:01,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:01,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417607737] [2021-11-17 12:59:01,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417607737] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:01,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:01,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:59:01,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285350523] [2021-11-17 12:59:01,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:01,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:01,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:01,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:59:01,644 INFO L87 Difference]: Start difference. First operand 2644 states and 3548 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 12:59:03,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:05,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:14,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:14,588 INFO L93 Difference]: Finished difference Result 2644 states and 3548 transitions. [2021-11-17 12:59:14,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:14,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-11-17 12:59:14,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:14,597 INFO L225 Difference]: With dead ends: 2644 [2021-11-17 12:59:14,597 INFO L226 Difference]: Without dead ends: 2642 [2021-11-17 12:59:14,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:14,599 INFO L933 BasicCegarLoop]: 1770 mSDtfsCounter, 2949 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 3756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:14,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 2866 Invalid, 3756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2142 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-17 12:59:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2021-11-17 12:59:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2642. [2021-11-17 12:59:14,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2642 states, 1870 states have (on average 1.2122994652406418) internal successors, (2267), 1916 states have internal predecessors, (2267), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:59:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2642 states and 3546 transitions. [2021-11-17 12:59:14,799 INFO L78 Accepts]: Start accepts. Automaton has 2642 states and 3546 transitions. Word has length 156 [2021-11-17 12:59:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:14,800 INFO L470 AbstractCegarLoop]: Abstraction has 2642 states and 3546 transitions. [2021-11-17 12:59:14,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 12:59:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 3546 transitions. [2021-11-17 12:59:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-17 12:59:14,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:14,802 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:14,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 12:59:14,802 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:59:14,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:14,803 INFO L85 PathProgramCache]: Analyzing trace with hash -568019488, now seen corresponding path program 1 times [2021-11-17 12:59:14,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:14,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71952424] [2021-11-17 12:59:14,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:14,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:59:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:59:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:59:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:59:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:59:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:59:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:59:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:59:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:59:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:59:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:59:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:59:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:59:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:59:15,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:15,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71952424] [2021-11-17 12:59:15,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71952424] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:15,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:15,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:59:15,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403907301] [2021-11-17 12:59:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:15,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:15,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:15,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:59:15,104 INFO L87 Difference]: Start difference. First operand 2642 states and 3546 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 12:59:17,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:19,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:28,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:28,281 INFO L93 Difference]: Finished difference Result 2642 states and 3546 transitions. [2021-11-17 12:59:28,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:28,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 162 [2021-11-17 12:59:28,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:28,314 INFO L225 Difference]: With dead ends: 2642 [2021-11-17 12:59:28,314 INFO L226 Difference]: Without dead ends: 2640 [2021-11-17 12:59:28,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:28,316 INFO L933 BasicCegarLoop]: 1768 mSDtfsCounter, 2943 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 3754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:28,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3036 Valid, 2864 Invalid, 3754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2140 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2021-11-17 12:59:28,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2021-11-17 12:59:28,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2640. [2021-11-17 12:59:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2640 states, 1869 states have (on average 1.2118780096308186) internal successors, (2265), 1914 states have internal predecessors, (2265), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:59:28,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2640 states and 3544 transitions. [2021-11-17 12:59:28,531 INFO L78 Accepts]: Start accepts. Automaton has 2640 states and 3544 transitions. Word has length 162 [2021-11-17 12:59:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:28,532 INFO L470 AbstractCegarLoop]: Abstraction has 2640 states and 3544 transitions. [2021-11-17 12:59:28,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 12:59:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3544 transitions. [2021-11-17 12:59:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-17 12:59:28,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:28,534 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:28,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 12:59:28,534 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:59:28,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:28,535 INFO L85 PathProgramCache]: Analyzing trace with hash -376599596, now seen corresponding path program 1 times [2021-11-17 12:59:28,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:28,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548164504] [2021-11-17 12:59:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:28,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:59:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:59:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:59:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:59:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:59:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:59:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:59:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:59:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:59:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:59:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:59:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:59:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:59:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:59:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:28,838 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:59:28,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:28,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548164504] [2021-11-17 12:59:28,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548164504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:28,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:28,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:59:28,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865684293] [2021-11-17 12:59:28,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:28,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:28,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:28,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:28,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:59:28,842 INFO L87 Difference]: Start difference. First operand 2640 states and 3544 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 12:59:30,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:32,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:41,847 INFO L93 Difference]: Finished difference Result 2640 states and 3544 transitions. [2021-11-17 12:59:41,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:41,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2021-11-17 12:59:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:41,854 INFO L225 Difference]: With dead ends: 2640 [2021-11-17 12:59:41,854 INFO L226 Difference]: Without dead ends: 2638 [2021-11-17 12:59:41,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:41,856 INFO L933 BasicCegarLoop]: 1766 mSDtfsCounter, 2937 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3029 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:41,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3029 Valid, 2862 Invalid, 3752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2138 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-17 12:59:41,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2021-11-17 12:59:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 2638. [2021-11-17 12:59:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1868 states have (on average 1.2114561027837258) internal successors, (2263), 1912 states have internal predecessors, (2263), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:59:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3542 transitions. [2021-11-17 12:59:42,057 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3542 transitions. Word has length 168 [2021-11-17 12:59:42,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:42,058 INFO L470 AbstractCegarLoop]: Abstraction has 2638 states and 3542 transitions. [2021-11-17 12:59:42,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-17 12:59:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3542 transitions. [2021-11-17 12:59:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-17 12:59:42,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:42,064 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:42,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 12:59:42,064 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:59:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1512112201, now seen corresponding path program 1 times [2021-11-17 12:59:42,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:42,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616243841] [2021-11-17 12:59:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:42,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:59:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:59:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:59:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:59:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:59:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:59:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:59:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:59:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:59:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:59:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:59:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:59:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:59:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:59:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 12:59:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:59:42,354 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:42,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616243841] [2021-11-17 12:59:42,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616243841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:42,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:42,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:59:42,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221652621] [2021-11-17 12:59:42,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:42,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:42,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:59:42,355 INFO L87 Difference]: Start difference. First operand 2638 states and 3542 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 12:59:44,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:46,416 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:59:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:59:55,718 INFO L93 Difference]: Finished difference Result 2638 states and 3542 transitions. [2021-11-17 12:59:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:59:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2021-11-17 12:59:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:59:55,725 INFO L225 Difference]: With dead ends: 2638 [2021-11-17 12:59:55,725 INFO L226 Difference]: Without dead ends: 2636 [2021-11-17 12:59:55,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:59:55,726 INFO L933 BasicCegarLoop]: 1764 mSDtfsCounter, 2931 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 3750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 12:59:55,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3022 Valid, 2860 Invalid, 3750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 12:59:55,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-11-17 12:59:55,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-11-17 12:59:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 1867 states have (on average 1.2110337439742902) internal successors, (2261), 1910 states have internal predecessors, (2261), 617 states have call successors, (617), 145 states have call predecessors, (617), 146 states have return successors, (662), 611 states have call predecessors, (662), 615 states have call successors, (662) [2021-11-17 12:59:55,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3540 transitions. [2021-11-17 12:59:55,915 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3540 transitions. Word has length 174 [2021-11-17 12:59:55,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:59:55,916 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3540 transitions. [2021-11-17 12:59:55,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 12:59:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3540 transitions. [2021-11-17 12:59:55,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-17 12:59:55,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:59:55,931 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:59:55,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 12:59:55,932 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 12:59:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:59:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1402771797, now seen corresponding path program 1 times [2021-11-17 12:59:55,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:59:55,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752903264] [2021-11-17 12:59:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:59:55,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:59:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:59:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:59:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 12:59:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 12:59:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 12:59:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 12:59:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:59:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:59:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:59:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:59:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:59:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 12:59:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 12:59:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 12:59:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 12:59:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 12:59:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 12:59:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 12:59:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 12:59:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 12:59:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 12:59:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 12:59:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 12:59:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 12:59:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 12:59:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 12:59:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 12:59:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 12:59:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:59:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:59:56,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:59:56,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752903264] [2021-11-17 12:59:56,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752903264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:59:56,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:59:56,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:59:56,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492524323] [2021-11-17 12:59:56,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:59:56,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:59:56,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:59:56,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:59:56,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:59:56,217 INFO L87 Difference]: Start difference. First operand 2636 states and 3540 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 12:59:58,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:00,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:09,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:00:09,601 INFO L93 Difference]: Finished difference Result 2636 states and 3540 transitions. [2021-11-17 13:00:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:00:09,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 180 [2021-11-17 13:00:09,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:00:09,611 INFO L225 Difference]: With dead ends: 2636 [2021-11-17 13:00:09,611 INFO L226 Difference]: Without dead ends: 2464 [2021-11-17 13:00:09,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:00:09,617 INFO L933 BasicCegarLoop]: 1763 mSDtfsCounter, 2922 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 1612 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 3750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:00:09,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3012 Valid, 2859 Invalid, 3750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 2136 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 13:00:09,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2021-11-17 13:00:09,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2462. [2021-11-17 13:00:09,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2462 states, 1762 states have (on average 1.221339387060159) internal successors, (2152), 1803 states have internal predecessors, (2152), 568 states have call successors, (568), 125 states have call predecessors, (568), 127 states have return successors, (615), 564 states have call predecessors, (615), 568 states have call successors, (615) [2021-11-17 13:00:09,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2462 states and 3335 transitions. [2021-11-17 13:00:09,818 INFO L78 Accepts]: Start accepts. Automaton has 2462 states and 3335 transitions. Word has length 180 [2021-11-17 13:00:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:00:09,819 INFO L470 AbstractCegarLoop]: Abstraction has 2462 states and 3335 transitions. [2021-11-17 13:00:09,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-17 13:00:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 3335 transitions. [2021-11-17 13:00:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-17 13:00:09,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:00:09,823 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:00:09,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 13:00:09,823 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:00:09,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:00:09,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1924977451, now seen corresponding path program 1 times [2021-11-17 13:00:09,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:00:09,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514004698] [2021-11-17 13:00:09,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:00:09,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:00:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:00:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:00:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:00:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:00:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:00:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:00:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:00:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:00:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:00:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:00:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:00:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 13:00:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 13:00:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:00:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 13:00:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 13:00:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-17 13:00:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:00:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 13:00:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 13:00:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 13:00:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 13:00:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 13:00:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:00:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:00:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 13:00:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:00:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 13:00:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 13:00:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2021-11-17 13:00:10,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:00:10,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514004698] [2021-11-17 13:00:10,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514004698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:00:10,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:00:10,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:00:10,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353118586] [2021-11-17 13:00:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:00:10,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:00:10,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:00:10,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:00:10,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:00:10,382 INFO L87 Difference]: Start difference. First operand 2462 states and 3335 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 13:00:12,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:14,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:16,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:36,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:00:36,224 INFO L93 Difference]: Finished difference Result 6043 states and 8459 transitions. [2021-11-17 13:00:36,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:00:36,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 336 [2021-11-17 13:00:36,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:00:36,240 INFO L225 Difference]: With dead ends: 6043 [2021-11-17 13:00:36,240 INFO L226 Difference]: Without dead ends: 3598 [2021-11-17 13:00:36,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:00:36,252 INFO L933 BasicCegarLoop]: 2273 mSDtfsCounter, 2332 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 4220 mSolverCounterSat, 1833 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2394 SdHoareTripleChecker+Valid, 3530 SdHoareTripleChecker+Invalid, 6056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1833 IncrementalHoareTripleChecker+Valid, 4220 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:00:36,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2394 Valid, 3530 Invalid, 6056 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1833 Valid, 4220 Invalid, 3 Unknown, 0 Unchecked, 25.0s Time] [2021-11-17 13:00:36,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2021-11-17 13:00:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 2598. [2021-11-17 13:00:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 1858 states have (on average 1.2260495156081808) internal successors, (2278), 1899 states have internal predecessors, (2278), 608 states have call successors, (608), 125 states have call predecessors, (608), 127 states have return successors, (655), 604 states have call predecessors, (655), 608 states have call successors, (655) [2021-11-17 13:00:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 3541 transitions. [2021-11-17 13:00:36,442 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 3541 transitions. Word has length 336 [2021-11-17 13:00:36,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:00:36,443 INFO L470 AbstractCegarLoop]: Abstraction has 2598 states and 3541 transitions. [2021-11-17 13:00:36,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2021-11-17 13:00:36,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 3541 transitions. [2021-11-17 13:00:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-11-17 13:00:36,448 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:00:36,448 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:00:36,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 13:00:36,448 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:00:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:00:36,449 INFO L85 PathProgramCache]: Analyzing trace with hash 720443730, now seen corresponding path program 1 times [2021-11-17 13:00:36,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:00:36,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663826531] [2021-11-17 13:00:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:00:36,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:00:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:00:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:00:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:00:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:00:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:00:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:00:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:00:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:00:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:00:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:00:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:00:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:00:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:00:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 13:00:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 13:00:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 13:00:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:00:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:00:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:00:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 13:00:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:00:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 13:00:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:00:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 13:00:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 13:00:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 13:00:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 13:00:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 13:00:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 13:00:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 13:00:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 13:00:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 13:00:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 13:00:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 13:00:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:00:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:00:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 13:00:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:00:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 13:00:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 13:00:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-17 13:00:37,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:00:37,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663826531] [2021-11-17 13:00:37,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663826531] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:00:37,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590072950] [2021-11-17 13:00:37,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:00:37,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:00:37,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:00:37,065 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:00:37,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 13:00:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:37,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 3377 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 13:00:37,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:00:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2021-11-17 13:00:38,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:00:38,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590072950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:00:38,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:00:38,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2021-11-17 13:00:38,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907512542] [2021-11-17 13:00:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:00:38,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:00:38,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:00:38,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:00:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:00:38,619 INFO L87 Difference]: Start difference. First operand 2598 states and 3541 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 13:00:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:00:38,928 INFO L93 Difference]: Finished difference Result 6019 states and 8347 transitions. [2021-11-17 13:00:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:00:38,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 446 [2021-11-17 13:00:38,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:00:38,939 INFO L225 Difference]: With dead ends: 6019 [2021-11-17 13:00:38,940 INFO L226 Difference]: Without dead ends: 3438 [2021-11-17 13:00:38,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 576 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:00:38,951 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 282 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 3465 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:00:38,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 3465 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:00:38,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3438 states. [2021-11-17 13:00:39,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3438 to 2600. [2021-11-17 13:00:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2600 states, 1860 states have (on average 1.2258064516129032) internal successors, (2280), 1901 states have internal predecessors, (2280), 608 states have call successors, (608), 125 states have call predecessors, (608), 127 states have return successors, (655), 604 states have call predecessors, (655), 608 states have call successors, (655) [2021-11-17 13:00:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2600 states and 3543 transitions. [2021-11-17 13:00:39,143 INFO L78 Accepts]: Start accepts. Automaton has 2600 states and 3543 transitions. Word has length 446 [2021-11-17 13:00:39,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:00:39,144 INFO L470 AbstractCegarLoop]: Abstraction has 2600 states and 3543 transitions. [2021-11-17 13:00:39,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-11-17 13:00:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3543 transitions. [2021-11-17 13:00:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-11-17 13:00:39,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:00:39,149 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:00:39,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-17 13:00:39,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-17 13:00:39,373 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:00:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:00:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash 249942115, now seen corresponding path program 1 times [2021-11-17 13:00:39,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:00:39,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515968515] [2021-11-17 13:00:39,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:00:39,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:00:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:00:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:00:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:00:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:00:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:00:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:00:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:00:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:00:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:00:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:00:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:00:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:00:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 13:00:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-11-17 13:00:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:00:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 13:00:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 13:00:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-17 13:00:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:00:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 13:00:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 13:00:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 13:00:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-17 13:00:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 13:00:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 13:00:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:00:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 13:00:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:00:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:00:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 13:00:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 13:00:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:00:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:00:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 13:00:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:00:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-11-17 13:00:39,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:00:39,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515968515] [2021-11-17 13:00:39,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515968515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:00:39,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:00:39,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:00:39,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565367821] [2021-11-17 13:00:39,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:00:39,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:00:39,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:00:39,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:00:39,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:00:39,844 INFO L87 Difference]: Start difference. First operand 2600 states and 3543 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-17 13:00:41,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:44,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:00:46,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:02,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:02,973 INFO L93 Difference]: Finished difference Result 2692 states and 3739 transitions. [2021-11-17 13:01:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 13:01:02,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 356 [2021-11-17 13:01:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:02,981 INFO L225 Difference]: With dead ends: 2692 [2021-11-17 13:01:02,981 INFO L226 Difference]: Without dead ends: 2690 [2021-11-17 13:01:02,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:01:02,982 INFO L933 BasicCegarLoop]: 1562 mSDtfsCounter, 1963 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 4318 mSolverCounterSat, 1335 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 5656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 4318 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:02,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2025 Valid, 3229 Invalid, 5656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1335 Valid, 4318 Invalid, 3 Unknown, 0 Unchecked, 22.4s Time] [2021-11-17 13:01:02,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-11-17 13:01:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2604. [2021-11-17 13:01:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2604 states, 1864 states have (on average 1.2253218884120172) internal successors, (2284), 1905 states have internal predecessors, (2284), 608 states have call successors, (608), 125 states have call predecessors, (608), 127 states have return successors, (655), 604 states have call predecessors, (655), 608 states have call successors, (655) [2021-11-17 13:01:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3547 transitions. [2021-11-17 13:01:03,148 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3547 transitions. Word has length 356 [2021-11-17 13:01:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:03,149 INFO L470 AbstractCegarLoop]: Abstraction has 2604 states and 3547 transitions. [2021-11-17 13:01:03,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 4 states have internal predecessors, (142), 1 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2021-11-17 13:01:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3547 transitions. [2021-11-17 13:01:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-11-17 13:01:03,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:03,154 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 11, 11, 11, 11, 11, 11, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:03,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 13:01:03,154 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:01:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:03,154 INFO L85 PathProgramCache]: Analyzing trace with hash -68018400, now seen corresponding path program 1 times [2021-11-17 13:01:03,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:03,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117594252] [2021-11-17 13:01:03,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:03,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:01:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:01:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:01:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:01:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:01:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:01:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:01:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:01:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:01:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-17 13:01:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 13:01:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 13:01:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:01:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:01:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:01:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 13:01:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:01:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 13:01:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:01:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 13:01:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 13:01:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 13:01:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 13:01:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 13:01:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 13:01:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 13:01:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 13:01:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 13:01:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 13:01:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 13:01:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:01:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:01:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 13:01:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:01:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 13:01:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 13:01:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 13:01:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 13:01:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2021-11-17 13:01:04,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:04,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117594252] [2021-11-17 13:01:04,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117594252] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:01:04,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418089032] [2021-11-17 13:01:04,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:04,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:01:04,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:01:04,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:01:04,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 13:01:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:04,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 3476 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 13:01:04,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:01:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-11-17 13:01:07,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:01:07,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418089032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:07,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:01:07,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [9] total 23 [2021-11-17 13:01:07,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919946730] [2021-11-17 13:01:07,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:07,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:01:07,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:07,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:01:07,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=461, Unknown=0, NotChecked=0, Total=506 [2021-11-17 13:01:07,677 INFO L87 Difference]: Start difference. First operand 2604 states and 3547 transitions. Second operand has 16 states, 15 states have (on average 13.4) internal successors, (201), 14 states have internal predecessors, (201), 6 states have call successors, (59), 2 states have call predecessors, (59), 5 states have return successors, (56), 7 states have call predecessors, (56), 6 states have call successors, (56) [2021-11-17 13:01:10,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:10,687 INFO L93 Difference]: Finished difference Result 5280 states and 7192 transitions. [2021-11-17 13:01:10,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 13:01:10,688 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.4) internal successors, (201), 14 states have internal predecessors, (201), 6 states have call successors, (59), 2 states have call predecessors, (59), 5 states have return successors, (56), 7 states have call predecessors, (56), 6 states have call successors, (56) Word has length 466 [2021-11-17 13:01:10,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:10,697 INFO L225 Difference]: With dead ends: 5280 [2021-11-17 13:01:10,697 INFO L226 Difference]: Without dead ends: 2692 [2021-11-17 13:01:10,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 624 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=123, Invalid=999, Unknown=0, NotChecked=0, Total=1122 [2021-11-17 13:01:10,706 INFO L933 BasicCegarLoop]: 1519 mSDtfsCounter, 107 mSDsluCounter, 21097 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 22616 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:10,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 22616 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-17 13:01:10,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-11-17 13:01:10,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2638. [2021-11-17 13:01:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1887 states have (on average 1.223105458399576) internal successors, (2308), 1928 states have internal predecessors, (2308), 618 states have call successors, (618), 125 states have call predecessors, (618), 128 states have return successors, (667), 615 states have call predecessors, (667), 618 states have call successors, (667) [2021-11-17 13:01:10,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 3593 transitions. [2021-11-17 13:01:10,988 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 3593 transitions. Word has length 466 [2021-11-17 13:01:10,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:10,989 INFO L470 AbstractCegarLoop]: Abstraction has 2638 states and 3593 transitions. [2021-11-17 13:01:10,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.4) internal successors, (201), 14 states have internal predecessors, (201), 6 states have call successors, (59), 2 states have call predecessors, (59), 5 states have return successors, (56), 7 states have call predecessors, (56), 6 states have call successors, (56) [2021-11-17 13:01:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3593 transitions. [2021-11-17 13:01:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2021-11-17 13:01:10,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:10,994 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 12, 12, 12, 12, 12, 12, 10, 10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:11,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 13:01:11,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:01:11,216 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:01:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash 554034077, now seen corresponding path program 1 times [2021-11-17 13:01:11,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:11,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217988386] [2021-11-17 13:01:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:11,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:01:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:01:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:01:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:01:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:01:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:01:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:01:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 13:01:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 13:01:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 13:01:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:01:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 13:01:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:01:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 13:01:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:01:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:01:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:01:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:01:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:01:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 13:01:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 13:01:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-17 13:01:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 13:01:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 13:01:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 13:01:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 13:01:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 13:01:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 13:01:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 13:01:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:01:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 13:01:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:01:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 13:01:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 13:01:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 13:01:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 13:01:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:01:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 13:01:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 13:01:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 13:01:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 13:01:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:12,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2021-11-17 13:01:12,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:12,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217988386] [2021-11-17 13:01:12,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217988386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:12,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:12,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 13:01:12,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834174997] [2021-11-17 13:01:12,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:12,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 13:01:12,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:12,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 13:01:12,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:01:12,013 INFO L87 Difference]: Start difference. First operand 2638 states and 3593 transitions. Second operand has 10 states, 10 states have (on average 19.4) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 13:01:14,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:16,070 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:18,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:39,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:39,662 INFO L93 Difference]: Finished difference Result 5399 states and 7532 transitions. [2021-11-17 13:01:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:01:39,663 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 501 [2021-11-17 13:01:39,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:39,671 INFO L225 Difference]: With dead ends: 5399 [2021-11-17 13:01:39,671 INFO L226 Difference]: Without dead ends: 2778 [2021-11-17 13:01:39,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:01:39,681 INFO L933 BasicCegarLoop]: 1545 mSDtfsCounter, 2283 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 5700 mSolverCounterSat, 1739 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 3771 SdHoareTripleChecker+Invalid, 7442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 5700 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:39,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2348 Valid, 3771 Invalid, 7442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1739 Valid, 5700 Invalid, 3 Unknown, 0 Unchecked, 26.7s Time] [2021-11-17 13:01:39,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2778 states. [2021-11-17 13:01:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2778 to 2644. [2021-11-17 13:01:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1893 states have (on average 1.2223983095615425) internal successors, (2314), 1934 states have internal predecessors, (2314), 618 states have call successors, (618), 125 states have call predecessors, (618), 128 states have return successors, (667), 615 states have call predecessors, (667), 618 states have call successors, (667) [2021-11-17 13:01:39,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3599 transitions. [2021-11-17 13:01:39,857 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3599 transitions. Word has length 501 [2021-11-17 13:01:39,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:39,857 INFO L470 AbstractCegarLoop]: Abstraction has 2644 states and 3599 transitions. [2021-11-17 13:01:39,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.4) internal successors, (194), 5 states have internal predecessors, (194), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 13:01:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3599 transitions. [2021-11-17 13:01:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-17 13:01:39,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:39,862 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:39,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-17 13:01:39,862 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:01:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash -13979147, now seen corresponding path program 1 times [2021-11-17 13:01:39,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:39,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813238586] [2021-11-17 13:01:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:39,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:01:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:01:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:01:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:01:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:01:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:01:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:01:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:01:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:01:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:01:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:01:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:01:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:01:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 13:01:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:01:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:01:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:01:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:01:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:01:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 13:01:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:01:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:01:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 13:01:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:01:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:01:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 13:01:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 13:01:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:01:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 13:01:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:40,786 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2021-11-17 13:01:40,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:40,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813238586] [2021-11-17 13:01:40,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813238586] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:01:40,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513086875] [2021-11-17 13:01:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:40,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:01:40,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:01:40,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:01:40,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 13:01:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:41,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 3012 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-17 13:01:41,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:01:42,742 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2021-11-17 13:01:42,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:01:42,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513086875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:42,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:01:42,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2021-11-17 13:01:42,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31503857] [2021-11-17 13:01:42,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:42,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:42,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:42,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:42,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:01:42,744 INFO L87 Difference]: Start difference. First operand 2644 states and 3599 transitions. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 13:01:43,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:01:43,110 INFO L93 Difference]: Finished difference Result 6223 states and 8640 transitions. [2021-11-17 13:01:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:01:43,111 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 377 [2021-11-17 13:01:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:01:43,121 INFO L225 Difference]: With dead ends: 6223 [2021-11-17 13:01:43,122 INFO L226 Difference]: Without dead ends: 3596 [2021-11-17 13:01:43,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:01:43,133 INFO L933 BasicCegarLoop]: 1782 mSDtfsCounter, 321 mSDsluCounter, 6875 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 8657 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:01:43,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [403 Valid, 8657 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:01:43,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2021-11-17 13:01:43,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 2654. [2021-11-17 13:01:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2654 states, 1901 states have (on average 1.2214623882167281) internal successors, (2322), 1942 states have internal predecessors, (2322), 618 states have call successors, (618), 125 states have call predecessors, (618), 130 states have return successors, (674), 617 states have call predecessors, (674), 618 states have call successors, (674) [2021-11-17 13:01:43,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2654 states and 3614 transitions. [2021-11-17 13:01:43,369 INFO L78 Accepts]: Start accepts. Automaton has 2654 states and 3614 transitions. Word has length 377 [2021-11-17 13:01:43,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:01:43,370 INFO L470 AbstractCegarLoop]: Abstraction has 2654 states and 3614 transitions. [2021-11-17 13:01:43,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 5 states have internal predecessors, (159), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 13:01:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3614 transitions. [2021-11-17 13:01:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-11-17 13:01:43,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:01:43,375 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:01:43,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 13:01:43,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-17 13:01:43,600 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:01:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:01:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1893110093, now seen corresponding path program 1 times [2021-11-17 13:01:43,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:01:43,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300775740] [2021-11-17 13:01:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:01:43,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:01:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:01:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:01:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:01:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:01:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:01:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:01:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:01:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:01:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:01:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:01:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:01:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:01:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:01:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:01:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:01:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:01:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:01:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 13:01:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:01:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:01:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:01:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:01:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:01:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 13:01:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:01:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:01:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 13:01:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:01:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:01:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:01:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 13:01:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 13:01:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:01:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:01:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 13:01:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:01:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-11-17 13:01:44,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:01:44,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300775740] [2021-11-17 13:01:44,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300775740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:01:44,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:01:44,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:01:44,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834134455] [2021-11-17 13:01:44,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:01:44,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:01:44,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:01:44,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:01:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:01:44,012 INFO L87 Difference]: Start difference. First operand 2654 states and 3614 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 13:01:46,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:48,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:01:50,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:06,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:06,982 INFO L93 Difference]: Finished difference Result 6301 states and 8829 transitions. [2021-11-17 13:02:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:02:06,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 377 [2021-11-17 13:02:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:06,992 INFO L225 Difference]: With dead ends: 6301 [2021-11-17 13:02:06,992 INFO L226 Difference]: Without dead ends: 3664 [2021-11-17 13:02:07,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:02:07,010 INFO L933 BasicCegarLoop]: 2233 mSDtfsCounter, 2236 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 1719 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 3483 SdHoareTripleChecker+Invalid, 5867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:07,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2298 Valid, 3483 Invalid, 5867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1719 Valid, 4145 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2021-11-17 13:02:07,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2021-11-17 13:02:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 2656. [2021-11-17 13:02:07,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 1903 states have (on average 1.2212296374146085) internal successors, (2324), 1944 states have internal predecessors, (2324), 618 states have call successors, (618), 125 states have call predecessors, (618), 130 states have return successors, (674), 617 states have call predecessors, (674), 618 states have call successors, (674) [2021-11-17 13:02:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 3616 transitions. [2021-11-17 13:02:07,197 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 3616 transitions. Word has length 377 [2021-11-17 13:02:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:07,197 INFO L470 AbstractCegarLoop]: Abstraction has 2656 states and 3616 transitions. [2021-11-17 13:02:07,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 13:02:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 3616 transitions. [2021-11-17 13:02:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-11-17 13:02:07,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:07,203 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-17 13:02:07,203 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:02:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1693721150, now seen corresponding path program 1 times [2021-11-17 13:02:07,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:07,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188245033] [2021-11-17 13:02:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:07,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:02:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:02:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:02:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:02:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:02:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:02:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:02:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:02:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:02:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 13:02:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:02:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 13:02:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 13:02:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:02:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:02:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:02:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:02:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 13:02:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:02:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 13:02:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 13:02:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:02:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 13:02:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:02:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 13:02:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-17 13:02:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:02:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:02:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 13:02:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 13:02:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 13:02:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 13:02:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 13:02:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 13:02:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:02:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 13:02:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 13:02:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 13:02:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 13:02:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2021-11-17 13:02:07,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:07,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188245033] [2021-11-17 13:02:07,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188245033] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:07,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929010500] [2021-11-17 13:02:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:07,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:02:07,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:02:07,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 13:02:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:08,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 3809 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 13:02:08,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:02:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2021-11-17 13:02:09,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:02:09,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929010500] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:09,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:02:09,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2021-11-17 13:02:09,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030247785] [2021-11-17 13:02:09,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:09,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:02:09,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:09,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:02:09,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:02:09,528 INFO L87 Difference]: Start difference. First operand 2656 states and 3616 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 13:02:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:09,711 INFO L93 Difference]: Finished difference Result 5303 states and 7333 transitions. [2021-11-17 13:02:09,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:02:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 546 [2021-11-17 13:02:09,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:09,720 INFO L225 Difference]: With dead ends: 5303 [2021-11-17 13:02:09,721 INFO L226 Difference]: Without dead ends: 2664 [2021-11-17 13:02:09,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:02:09,729 INFO L933 BasicCegarLoop]: 1498 mSDtfsCounter, 3 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:09,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 2992 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:02:09,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2021-11-17 13:02:09,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2658. [2021-11-17 13:02:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2658 states, 1905 states have (on average 1.220997375328084) internal successors, (2326), 1946 states have internal predecessors, (2326), 618 states have call successors, (618), 125 states have call predecessors, (618), 130 states have return successors, (674), 617 states have call predecessors, (674), 618 states have call successors, (674) [2021-11-17 13:02:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2658 states and 3618 transitions. [2021-11-17 13:02:09,907 INFO L78 Accepts]: Start accepts. Automaton has 2658 states and 3618 transitions. Word has length 546 [2021-11-17 13:02:09,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:09,908 INFO L470 AbstractCegarLoop]: Abstraction has 2658 states and 3618 transitions. [2021-11-17 13:02:09,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2021-11-17 13:02:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3618 transitions. [2021-11-17 13:02:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-17 13:02:09,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:09,912 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:09,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 13:02:10,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:10,136 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:02:10,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:10,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1783836964, now seen corresponding path program 1 times [2021-11-17 13:02:10,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:10,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382290967] [2021-11-17 13:02:10,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:10,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:02:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:02:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:02:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:02:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:02:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:02:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:02:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:02:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:02:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:02:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 13:02:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:02:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:02:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:02:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:02:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:02:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 13:02:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:02:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:02:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:02:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 13:02:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:02:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 13:02:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 13:02:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 13:02:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 13:02:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:10,584 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-11-17 13:02:10,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:10,584 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382290967] [2021-11-17 13:02:10,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382290967] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:10,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201906142] [2021-11-17 13:02:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:10,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:10,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:02:10,586 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:02:10,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 13:02:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:11,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 13:02:11,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:02:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2021-11-17 13:02:11,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:02:11,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201906142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:11,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:02:11,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2021-11-17 13:02:11,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998866124] [2021-11-17 13:02:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:11,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:02:11,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:02:11,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:11,879 INFO L87 Difference]: Start difference. First operand 2658 states and 3618 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 13:02:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:12,093 INFO L93 Difference]: Finished difference Result 5307 states and 7330 transitions. [2021-11-17 13:02:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:02:12,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 380 [2021-11-17 13:02:12,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:12,116 INFO L225 Difference]: With dead ends: 5307 [2021-11-17 13:02:12,116 INFO L226 Difference]: Without dead ends: 2666 [2021-11-17 13:02:12,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:12,125 INFO L933 BasicCegarLoop]: 1503 mSDtfsCounter, 3 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3000 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:12,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3000 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:02:12,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2021-11-17 13:02:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2660. [2021-11-17 13:02:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1907 states have (on average 1.220765600419507) internal successors, (2328), 1948 states have internal predecessors, (2328), 618 states have call successors, (618), 125 states have call predecessors, (618), 130 states have return successors, (674), 617 states have call predecessors, (674), 618 states have call successors, (674) [2021-11-17 13:02:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3620 transitions. [2021-11-17 13:02:12,306 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3620 transitions. Word has length 380 [2021-11-17 13:02:12,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:12,306 INFO L470 AbstractCegarLoop]: Abstraction has 2660 states and 3620 transitions. [2021-11-17 13:02:12,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 13:02:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3620 transitions. [2021-11-17 13:02:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-17 13:02:12,310 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:12,311 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:12,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-17 13:02:12,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:12,524 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:02:12,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 93226266, now seen corresponding path program 1 times [2021-11-17 13:02:12,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:12,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014016401] [2021-11-17 13:02:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:12,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:02:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:02:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:02:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:02:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:02:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:02:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:02:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:02:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:02:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:02:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 13:02:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:02:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:02:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:02:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:02:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:02:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 13:02:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:02:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:02:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:02:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 13:02:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:02:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 13:02:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 13:02:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 13:02:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 13:02:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2021-11-17 13:02:13,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:13,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014016401] [2021-11-17 13:02:13,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014016401] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:13,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012496082] [2021-11-17 13:02:13,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:13,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:13,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:02:13,366 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:02:13,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 13:02:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:14,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-17 13:02:14,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:02:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 165 proven. 3 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2021-11-17 13:02:15,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:02:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-11-17 13:02:17,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012496082] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:17,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:02:17,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 9] total 20 [2021-11-17 13:02:17,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744555349] [2021-11-17 13:02:17,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:17,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:02:17,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:17,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:02:17,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-11-17 13:02:17,537 INFO L87 Difference]: Start difference. First operand 2660 states and 3620 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 13:02:17,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:17,920 INFO L93 Difference]: Finished difference Result 6215 states and 8619 transitions. [2021-11-17 13:02:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:02:17,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) Word has length 380 [2021-11-17 13:02:17,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:17,930 INFO L225 Difference]: With dead ends: 6215 [2021-11-17 13:02:17,930 INFO L226 Difference]: Without dead ends: 3572 [2021-11-17 13:02:17,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-11-17 13:02:17,936 INFO L933 BasicCegarLoop]: 1814 mSDtfsCounter, 439 mSDsluCounter, 4293 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 6107 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:17,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 6107 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:02:17,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2021-11-17 13:02:18,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 2664. [2021-11-17 13:02:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 1909 states have (on average 1.220534311157674) internal successors, (2330), 1950 states have internal predecessors, (2330), 620 states have call successors, (620), 125 states have call predecessors, (620), 130 states have return successors, (676), 619 states have call predecessors, (676), 620 states have call successors, (676) [2021-11-17 13:02:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3626 transitions. [2021-11-17 13:02:18,146 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3626 transitions. Word has length 380 [2021-11-17 13:02:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:18,147 INFO L470 AbstractCegarLoop]: Abstraction has 2664 states and 3626 transitions. [2021-11-17 13:02:18,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 4 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 13:02:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3626 transitions. [2021-11-17 13:02:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-11-17 13:02:18,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:18,152 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 10, 10, 10, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:18,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-17 13:02:18,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:18,374 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:02:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:18,374 INFO L85 PathProgramCache]: Analyzing trace with hash -2001152458, now seen corresponding path program 1 times [2021-11-17 13:02:18,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:18,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035005752] [2021-11-17 13:02:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:18,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:02:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:02:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:02:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:02:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:02:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:02:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:02:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:02:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:02:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:02:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 13:02:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 13:02:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:02:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:02:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-17 13:02:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:02:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 13:02:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:02:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:02:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:02:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 13:02:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:02:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 13:02:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 13:02:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-11-17 13:02:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:02:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-11-17 13:02:18,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:18,822 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035005752] [2021-11-17 13:02:18,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035005752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:02:18,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:02:18,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:02:18,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290691300] [2021-11-17 13:02:18,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:02:18,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:02:18,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:18,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:02:18,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:02:18,825 INFO L87 Difference]: Start difference. First operand 2664 states and 3626 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 13:02:20,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:22,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:25,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:40,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:02:40,958 INFO L93 Difference]: Finished difference Result 6289 states and 8803 transitions. [2021-11-17 13:02:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:02:40,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 382 [2021-11-17 13:02:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:02:40,970 INFO L225 Difference]: With dead ends: 6289 [2021-11-17 13:02:40,970 INFO L226 Difference]: Without dead ends: 3642 [2021-11-17 13:02:40,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:02:40,998 INFO L933 BasicCegarLoop]: 1953 mSDtfsCounter, 2497 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 3806 mSolverCounterSat, 1805 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 3148 SdHoareTripleChecker+Invalid, 5614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 3806 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:02:40,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2559 Valid, 3148 Invalid, 5614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1805 Valid, 3806 Invalid, 3 Unknown, 0 Unchecked, 21.2s Time] [2021-11-17 13:02:41,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2021-11-17 13:02:41,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2666. [2021-11-17 13:02:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1911 states have (on average 1.2203035060177918) internal successors, (2332), 1952 states have internal predecessors, (2332), 620 states have call successors, (620), 125 states have call predecessors, (620), 130 states have return successors, (676), 619 states have call predecessors, (676), 620 states have call successors, (676) [2021-11-17 13:02:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3628 transitions. [2021-11-17 13:02:41,222 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3628 transitions. Word has length 382 [2021-11-17 13:02:41,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:02:41,222 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 3628 transitions. [2021-11-17 13:02:41,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 2 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 13:02:41,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3628 transitions. [2021-11-17 13:02:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-11-17 13:02:41,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:02:41,276 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:02:41,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-17 13:02:41,276 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:02:41,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:02:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1763286398, now seen corresponding path program 1 times [2021-11-17 13:02:41,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:02:41,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371576732] [2021-11-17 13:02:41,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:41,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:02:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:02:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:02:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:02:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:02:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:02:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:02:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:02:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:02:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:02:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:02:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:02:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:02:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:02:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:02:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:02:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 13:02:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:02:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 13:02:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 13:02:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:02:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:02:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:02:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:02:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 13:02:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:02:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:02:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-11-17 13:02:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 13:02:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:02:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 13:02:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:02:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 13:02:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-17 13:02:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:02:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:02:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 13:02:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 13:02:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 13:02:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 13:02:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 13:02:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 13:02:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:02:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:02:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 13:02:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 13:02:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 13:02:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:02:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 13:02:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-17 13:02:42,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:02:42,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371576732] [2021-11-17 13:02:42,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371576732] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:02:42,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184390980] [2021-11-17 13:02:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:02:42,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:02:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:02:42,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:02:42,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 13:02:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:02:43,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 3808 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 13:02:43,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:02:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 331 proven. 108 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2021-11-17 13:02:47,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:02:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 1445 trivial. 0 not checked. [2021-11-17 13:02:51,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184390980] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:02:51,222 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:02:51,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 24 [2021-11-17 13:02:51,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546733631] [2021-11-17 13:02:51,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:02:51,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-17 13:02:51,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:02:51,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-17 13:02:51,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2021-11-17 13:02:51,224 INFO L87 Difference]: Start difference. First operand 2666 states and 3628 transitions. Second operand has 24 states, 24 states have (on average 22.25) internal successors, (534), 15 states have internal predecessors, (534), 8 states have call successors, (170), 11 states have call predecessors, (170), 8 states have return successors, (159), 12 states have call predecessors, (159), 8 states have call successors, (159) [2021-11-17 13:02:53,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:55,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:57,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:02:59,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:03:01,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:27,789 INFO L93 Difference]: Finished difference Result 6616 states and 9267 transitions. [2021-11-17 13:04:27,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-17 13:04:27,790 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 22.25) internal successors, (534), 15 states have internal predecessors, (534), 8 states have call successors, (170), 11 states have call predecessors, (170), 8 states have return successors, (159), 12 states have call predecessors, (159), 8 states have call successors, (159) Word has length 546 [2021-11-17 13:04:27,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:27,803 INFO L225 Difference]: With dead ends: 6616 [2021-11-17 13:04:27,803 INFO L226 Difference]: Without dead ends: 3967 [2021-11-17 13:04:27,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1293 GetRequests, 1251 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2021-11-17 13:04:27,812 INFO L933 BasicCegarLoop]: 1730 mSDtfsCounter, 5447 mSDsluCounter, 5773 mSDsCounter, 0 mSdLazyCounter, 21462 mSolverCounterSat, 4076 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5458 SdHoareTripleChecker+Valid, 7503 SdHoareTripleChecker+Invalid, 25543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4076 IncrementalHoareTripleChecker+Valid, 21462 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:27,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5458 Valid, 7503 Invalid, 25543 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4076 Valid, 21462 Invalid, 5 Unknown, 0 Unchecked, 92.8s Time] [2021-11-17 13:04:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3967 states. [2021-11-17 13:04:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3967 to 2788. [2021-11-17 13:04:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1994 states have (on average 1.216148445336008) internal successors, (2425), 2034 states have internal predecessors, (2425), 640 states have call successors, (640), 141 states have call predecessors, (640), 150 states have return successors, (734), 643 states have call predecessors, (734), 640 states have call successors, (734) [2021-11-17 13:04:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3799 transitions. [2021-11-17 13:04:28,110 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3799 transitions. Word has length 546 [2021-11-17 13:04:28,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:28,111 INFO L470 AbstractCegarLoop]: Abstraction has 2788 states and 3799 transitions. [2021-11-17 13:04:28,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 22.25) internal successors, (534), 15 states have internal predecessors, (534), 8 states have call successors, (170), 11 states have call predecessors, (170), 8 states have return successors, (159), 12 states have call predecessors, (159), 8 states have call successors, (159) [2021-11-17 13:04:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3799 transitions. [2021-11-17 13:04:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-11-17 13:04:28,116 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:28,117 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 12, 12, 12, 12, 12, 9, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:28,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-17 13:04:28,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-11-17 13:04:28,342 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:04:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:28,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1166756598, now seen corresponding path program 1 times [2021-11-17 13:04:28,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:28,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366490595] [2021-11-17 13:04:28,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:28,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:04:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:04:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:04:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:04:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:04:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:04:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:04:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:04:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:04:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:04:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:04:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:04:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 13:04:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:04:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 13:04:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 13:04:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:04:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:04:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:04:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:04:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 13:04:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:04:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:04:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:04:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 13:04:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 13:04:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:04:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:04:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:04:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 13:04:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:04:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:04:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 13:04:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 13:04:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 13:04:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 13:04:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 13:04:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-17 13:04:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-11-17 13:04:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 13:04:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2021-11-17 13:04:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 13:04:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-11-17 13:04:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 13:04:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-11-17 13:04:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-11-17 13:04:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-11-17 13:04:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2021-11-17 13:04:29,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:29,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366490595] [2021-11-17 13:04:29,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366490595] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:04:29,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002180960] [2021-11-17 13:04:29,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:29,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:04:29,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:04:29,147 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:04:29,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-17 13:04:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:29,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 3966 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 13:04:29,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:04:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1930 trivial. 0 not checked. [2021-11-17 13:04:34,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:04:34,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002180960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:34,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:04:34,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2021-11-17 13:04:34,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813213360] [2021-11-17 13:04:34,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:34,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:04:34,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:34,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:04:34,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:04:34,519 INFO L87 Difference]: Start difference. First operand 2788 states and 3799 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2021-11-17 13:04:34,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:04:34,729 INFO L93 Difference]: Finished difference Result 5553 states and 7665 transitions. [2021-11-17 13:04:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:04:34,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 598 [2021-11-17 13:04:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:04:34,738 INFO L225 Difference]: With dead ends: 5553 [2021-11-17 13:04:34,738 INFO L226 Difference]: Without dead ends: 2782 [2021-11-17 13:04:34,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 778 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:04:34,745 INFO L933 BasicCegarLoop]: 1490 mSDtfsCounter, 1180 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:04:34,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1180 Valid, 1490 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:04:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2021-11-17 13:04:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2782. [2021-11-17 13:04:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 1989 states have (on average 1.2146807440925087) internal successors, (2416), 2028 states have internal predecessors, (2416), 640 states have call successors, (640), 141 states have call predecessors, (640), 150 states have return successors, (734), 643 states have call predecessors, (734), 640 states have call successors, (734) [2021-11-17 13:04:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3790 transitions. [2021-11-17 13:04:34,956 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3790 transitions. Word has length 598 [2021-11-17 13:04:34,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:04:34,956 INFO L470 AbstractCegarLoop]: Abstraction has 2782 states and 3790 transitions. [2021-11-17 13:04:34,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 1 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2021-11-17 13:04:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3790 transitions. [2021-11-17 13:04:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-17 13:04:34,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:04:34,961 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:04:34,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-17 13:04:35,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-11-17 13:04:35,171 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:04:35,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:04:35,171 INFO L85 PathProgramCache]: Analyzing trace with hash -719311954, now seen corresponding path program 1 times [2021-11-17 13:04:35,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:04:35,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923457223] [2021-11-17 13:04:35,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:04:35,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:04:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:04:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:04:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:04:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:04:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:04:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:04:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:04:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:04:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:04:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:04:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:04:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:04:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:04:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:04:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:04:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:04:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:04:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:04:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:04:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:04:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:04:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:04:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:04:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:04:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:04:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:04:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:04:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 13:04:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:04:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 13:04:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:04:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:04:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 13:04:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 13:04:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 13:04:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 13:04:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 13:04:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:04:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:04:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 13:04:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 13:04:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:04:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 13:04:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:04:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2021-11-17 13:04:35,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:04:35,909 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923457223] [2021-11-17 13:04:35,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923457223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:04:35,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:04:35,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:04:35,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720951544] [2021-11-17 13:04:35,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:04:35,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:04:35,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:04:35,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:04:35,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:04:35,912 INFO L87 Difference]: Start difference. First operand 2782 states and 3790 transitions. Second operand has 8 states, 8 states have (on average 23.875) internal successors, (191), 4 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 13:04:37,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:39,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:04:41,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:05:00,187 INFO L93 Difference]: Finished difference Result 5775 states and 8017 transitions. [2021-11-17 13:05:00,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:05:00,188 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 4 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 467 [2021-11-17 13:05:00,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:05:00,197 INFO L225 Difference]: With dead ends: 5775 [2021-11-17 13:05:00,197 INFO L226 Difference]: Without dead ends: 3010 [2021-11-17 13:05:00,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:05:00,204 INFO L933 BasicCegarLoop]: 1564 mSDtfsCounter, 2193 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 4471 mSolverCounterSat, 1763 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 6237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1763 IncrementalHoareTripleChecker+Valid, 4471 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:05:00,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2258 Valid, 3248 Invalid, 6237 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1763 Valid, 4471 Invalid, 3 Unknown, 0 Unchecked, 23.4s Time] [2021-11-17 13:05:00,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2021-11-17 13:05:00,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2786. [2021-11-17 13:05:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 1993 states have (on average 1.2142498745609633) internal successors, (2420), 2032 states have internal predecessors, (2420), 640 states have call successors, (640), 141 states have call predecessors, (640), 150 states have return successors, (734), 643 states have call predecessors, (734), 640 states have call successors, (734) [2021-11-17 13:05:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 3794 transitions. [2021-11-17 13:05:00,443 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 3794 transitions. Word has length 467 [2021-11-17 13:05:00,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:05:00,444 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 3794 transitions. [2021-11-17 13:05:00,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.875) internal successors, (191), 4 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 13:05:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3794 transitions. [2021-11-17 13:05:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-11-17 13:05:00,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:05:00,450 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:05:00,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-17 13:05:00,450 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:05:00,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:05:00,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1429736757, now seen corresponding path program 1 times [2021-11-17 13:05:00,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:05:00,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284488851] [2021-11-17 13:05:00,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:05:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:05:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:05:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:05:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:05:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:05:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:05:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:05:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:05:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:05:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:05:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:05:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:05:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:05:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:05:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:05:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:05:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:05:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:05:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:05:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:05:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:05:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:05:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:05:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:05:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:05:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:05:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:05:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 13:05:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:05:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 13:05:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:05:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 13:05:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:05:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 13:05:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:05:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:05:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 13:05:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 13:05:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 13:05:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:05:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 13:05:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2021-11-17 13:05:01,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:05:01,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284488851] [2021-11-17 13:05:01,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284488851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:05:01,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:05:01,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 13:05:01,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985470559] [2021-11-17 13:05:01,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:05:01,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 13:05:01,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:05:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 13:05:01,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:05:01,755 INFO L87 Difference]: Start difference. First operand 2786 states and 3794 transitions. Second operand has 11 states, 11 states have (on average 17.363636363636363) internal successors, (191), 7 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 13:05:03,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:05,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:07,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:05:38,134 INFO L93 Difference]: Finished difference Result 5768 states and 7959 transitions. [2021-11-17 13:05:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 13:05:38,135 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.363636363636363) internal successors, (191), 7 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 467 [2021-11-17 13:05:38,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:05:38,143 INFO L225 Difference]: With dead ends: 5768 [2021-11-17 13:05:38,143 INFO L226 Difference]: Without dead ends: 2999 [2021-11-17 13:05:38,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2021-11-17 13:05:38,149 INFO L933 BasicCegarLoop]: 1562 mSDtfsCounter, 2521 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 8163 mSolverCounterSat, 1798 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2521 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 9964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1798 IncrementalHoareTripleChecker+Valid, 8163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:05:38,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2521 Valid, 4930 Invalid, 9964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1798 Valid, 8163 Invalid, 3 Unknown, 0 Unchecked, 35.1s Time] [2021-11-17 13:05:38,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2021-11-17 13:05:38,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2790. [2021-11-17 13:05:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1997 states have (on average 1.213820731096645) internal successors, (2424), 2035 states have internal predecessors, (2424), 640 states have call successors, (640), 141 states have call predecessors, (640), 150 states have return successors, (734), 644 states have call predecessors, (734), 640 states have call successors, (734) [2021-11-17 13:05:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3798 transitions. [2021-11-17 13:05:38,359 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3798 transitions. Word has length 467 [2021-11-17 13:05:38,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:05:38,360 INFO L470 AbstractCegarLoop]: Abstraction has 2790 states and 3798 transitions. [2021-11-17 13:05:38,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.363636363636363) internal successors, (191), 7 states have internal predecessors, (191), 2 states have call successors, (52), 5 states have call predecessors, (52), 2 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-11-17 13:05:38,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3798 transitions. [2021-11-17 13:05:38,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-17 13:05:38,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:05:38,365 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:05:38,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-17 13:05:38,365 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:05:38,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:05:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1775084621, now seen corresponding path program 1 times [2021-11-17 13:05:38,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:05:38,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961808] [2021-11-17 13:05:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:05:38,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:05:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:05:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:05:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:05:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:05:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:05:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:05:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:05:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:05:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:05:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:05:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:05:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:05:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:05:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:05:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:05:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:05:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:05:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:05:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:05:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:05:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:05:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:05:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:05:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:05:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:05:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:05:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:05:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:05:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 13:05:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:05:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 13:05:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:05:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:05:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 13:05:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:05:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 13:05:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:05:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:05:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 13:05:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 13:05:39,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 13:05:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:05:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 13:05:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 13:05:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 13:05:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 13:05:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 13:05:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 13:05:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 13:05:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:05:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:05:39,766 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2021-11-17 13:05:39,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:05:39,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961808] [2021-11-17 13:05:39,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:05:39,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:05:39,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-17 13:05:39,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991427146] [2021-11-17 13:05:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:05:39,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-17 13:05:39,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:05:39,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-17 13:05:39,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:05:39,772 INFO L87 Difference]: Start difference. First operand 2790 states and 3798 transitions. Second operand has 17 states, 17 states have (on average 12.588235294117647) internal successors, (214), 11 states have internal predecessors, (214), 3 states have call successors, (59), 6 states have call predecessors, (59), 2 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-17 13:05:41,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:43,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:46,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:05:48,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:06:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:06:54,450 INFO L93 Difference]: Finished difference Result 4034 states and 5912 transitions. [2021-11-17 13:06:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-17 13:06:54,451 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 12.588235294117647) internal successors, (214), 11 states have internal predecessors, (214), 3 states have call successors, (59), 6 states have call predecessors, (59), 2 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) Word has length 504 [2021-11-17 13:06:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:06:54,462 INFO L225 Difference]: With dead ends: 4034 [2021-11-17 13:06:54,462 INFO L226 Difference]: Without dead ends: 4032 [2021-11-17 13:06:54,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=183, Invalid=1223, Unknown=0, NotChecked=0, Total=1406 [2021-11-17 13:06:54,464 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 2963 mSDsluCounter, 10379 mSDsCounter, 0 mSdLazyCounter, 17697 mSolverCounterSat, 1924 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 12275 SdHoareTripleChecker+Invalid, 19625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1924 IncrementalHoareTripleChecker+Valid, 17697 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:06:54,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3056 Valid, 12275 Invalid, 19625 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1924 Valid, 17697 Invalid, 4 Unknown, 0 Unchecked, 72.1s Time] [2021-11-17 13:06:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2021-11-17 13:06:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 2797. [2021-11-17 13:06:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2003 states have (on average 1.2136794807788318) internal successors, (2431), 2041 states have internal predecessors, (2431), 640 states have call successors, (640), 141 states have call predecessors, (640), 151 states have return successors, (737), 645 states have call predecessors, (737), 640 states have call successors, (737) [2021-11-17 13:06:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3808 transitions. [2021-11-17 13:06:54,752 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3808 transitions. Word has length 504 [2021-11-17 13:06:54,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:06:54,753 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 3808 transitions. [2021-11-17 13:06:54,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.588235294117647) internal successors, (214), 11 states have internal predecessors, (214), 3 states have call successors, (59), 6 states have call predecessors, (59), 2 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-17 13:06:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3808 transitions. [2021-11-17 13:06:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2021-11-17 13:06:54,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:06:54,758 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 13, 13, 13, 11, 11, 11, 11, 11, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:06:54,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-17 13:06:54,758 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:06:54,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:06:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 314221655, now seen corresponding path program 1 times [2021-11-17 13:06:54,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:06:54,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039306018] [2021-11-17 13:06:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:06:54,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:06:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:06:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:06:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:06:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:06:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:06:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:06:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:06:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:06:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:06:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:06:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:06:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:06:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:06:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:06:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:06:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:06:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:06:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:06:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:06:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:06:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:06:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:06:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:06:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:06:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:06:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:06:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:06:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:06:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 13:06:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:06:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 13:06:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:06:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 13:06:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:06:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 13:06:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:06:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:06:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 13:06:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 13:06:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 13:06:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:06:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 13:06:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 13:06:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:06:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:06:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 13:06:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 13:06:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-11-17 13:06:56,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:06:56,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039306018] [2021-11-17 13:06:56,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039306018] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:06:56,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835421252] [2021-11-17 13:06:56,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:06:56,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:06:56,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:06:56,479 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:06:56,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-17 13:06:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:57,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 3802 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 13:06:57,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:06:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 902 trivial. 0 not checked. [2021-11-17 13:06:58,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:06:58,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835421252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:06:58,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:06:58,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2021-11-17 13:06:58,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522831858] [2021-11-17 13:06:58,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:06:58,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 13:06:58,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:06:58,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 13:06:58,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2021-11-17 13:06:58,322 INFO L87 Difference]: Start difference. First operand 2797 states and 3808 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-17 13:06:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:06:58,769 INFO L93 Difference]: Finished difference Result 5625 states and 7755 transitions. [2021-11-17 13:06:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:06:58,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 507 [2021-11-17 13:06:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:06:58,778 INFO L225 Difference]: With dead ends: 5625 [2021-11-17 13:06:58,778 INFO L226 Difference]: Without dead ends: 2845 [2021-11-17 13:06:58,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2021-11-17 13:06:58,785 INFO L933 BasicCegarLoop]: 1514 mSDtfsCounter, 29 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:06:58,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 4465 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:06:58,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2021-11-17 13:06:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2797. [2021-11-17 13:06:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2797 states, 2003 states have (on average 1.2136794807788318) internal successors, (2431), 2041 states have internal predecessors, (2431), 640 states have call successors, (640), 141 states have call predecessors, (640), 151 states have return successors, (737), 645 states have call predecessors, (737), 640 states have call successors, (737) [2021-11-17 13:06:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2797 states and 3808 transitions. [2021-11-17 13:06:59,004 INFO L78 Accepts]: Start accepts. Automaton has 2797 states and 3808 transitions. Word has length 507 [2021-11-17 13:06:59,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:06:59,005 INFO L470 AbstractCegarLoop]: Abstraction has 2797 states and 3808 transitions. [2021-11-17 13:06:59,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-17 13:06:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3808 transitions. [2021-11-17 13:06:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-11-17 13:06:59,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:06:59,011 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 11, 11, 11, 11, 11, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:06:59,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-17 13:06:59,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-17 13:06:59,228 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:06:59,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:06:59,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1582211943, now seen corresponding path program 1 times [2021-11-17 13:06:59,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:06:59,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382780889] [2021-11-17 13:06:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:06:59,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:06:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:06:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:06:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:06:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:06:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:06:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:06:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:06:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:06:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:06:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:06:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:06:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:06:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:06:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:07:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:07:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:07:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:07:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 13:07:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:07:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 13:07:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:07:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:07:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 13:07:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:07:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 13:07:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 13:07:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 13:07:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 13:07:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:07:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 13:07:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 13:07:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 13:07:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 13:07:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 13:07:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 13:07:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 13:07:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-17 13:07:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 13:07:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 13:07:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 13:07:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:07:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:07:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 13:07:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 13:07:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2021-11-17 13:07:00,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:00,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382780889] [2021-11-17 13:07:00,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382780889] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:07:00,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743874556] [2021-11-17 13:07:00,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:00,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:00,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:07:00,840 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:07:00,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-17 13:07:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:01,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-17 13:07:01,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:07:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2021-11-17 13:07:03,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:07:03,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743874556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:03,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:07:03,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2021-11-17 13:07:03,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127397124] [2021-11-17 13:07:03,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:03,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:07:03,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:03,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:07:03,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-11-17 13:07:03,007 INFO L87 Difference]: Start difference. First operand 2797 states and 3808 transitions. Second operand has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-17 13:07:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:03,501 INFO L93 Difference]: Finished difference Result 6557 states and 9097 transitions. [2021-11-17 13:07:03,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:07:03,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 539 [2021-11-17 13:07:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:03,513 INFO L225 Difference]: With dead ends: 6557 [2021-11-17 13:07:03,513 INFO L226 Difference]: Without dead ends: 3777 [2021-11-17 13:07:03,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 698 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2021-11-17 13:07:03,571 INFO L933 BasicCegarLoop]: 1762 mSDtfsCounter, 329 mSDsluCounter, 5042 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 6804 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:03,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 6804 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:07:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3777 states. [2021-11-17 13:07:03,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3777 to 2877. [2021-11-17 13:07:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2877 states, 2063 states have (on average 1.2142510906446922) internal successors, (2505), 2099 states have internal predecessors, (2505), 660 states have call successors, (660), 141 states have call predecessors, (660), 151 states have return successors, (763), 667 states have call predecessors, (763), 660 states have call successors, (763) [2021-11-17 13:07:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2877 states and 3928 transitions. [2021-11-17 13:07:03,800 INFO L78 Accepts]: Start accepts. Automaton has 2877 states and 3928 transitions. Word has length 539 [2021-11-17 13:07:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:03,801 INFO L470 AbstractCegarLoop]: Abstraction has 2877 states and 3928 transitions. [2021-11-17 13:07:03,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.8) internal successors, (214), 5 states have internal predecessors, (214), 3 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-11-17 13:07:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 3928 transitions. [2021-11-17 13:07:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-11-17 13:07:03,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:03,807 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 13, 13, 13, 11, 11, 11, 11, 11, 10, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:03,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-17 13:07:04,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-11-17 13:07:04,021 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:04,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:04,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1460161685, now seen corresponding path program 1 times [2021-11-17 13:07:04,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:04,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918593267] [2021-11-17 13:07:04,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:04,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:07:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:07:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:07:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:07:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:07:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:07:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:07:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:07:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:07:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:07:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:07:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:07:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:07:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:07:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:07:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 13:07:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:07:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:07:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 13:07:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:07:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 13:07:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 13:07:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:07:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 13:07:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:07:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 13:07:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 13:07:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 13:07:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 13:07:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 13:07:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 13:07:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 13:07:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:07:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:07:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:07:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 13:07:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1180 trivial. 0 not checked. [2021-11-17 13:07:05,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:05,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918593267] [2021-11-17 13:07:05,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918593267] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:07:05,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546451121] [2021-11-17 13:07:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:05,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:07:05,512 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:07:05,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-17 13:07:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:06,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 3815 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-17 13:07:06,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:07:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-11-17 13:07:08,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:07:08,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546451121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:08,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:07:08,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2021-11-17 13:07:08,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996378455] [2021-11-17 13:07:08,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:08,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:07:08,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:08,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:07:08,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2021-11-17 13:07:08,510 INFO L87 Difference]: Start difference. First operand 2877 states and 3928 transitions. Second operand has 7 states, 7 states have (on average 32.0) internal successors, (224), 6 states have internal predecessors, (224), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-17 13:07:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:10,166 INFO L93 Difference]: Finished difference Result 7647 states and 10675 transitions. [2021-11-17 13:07:10,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:07:10,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 6 states have internal predecessors, (224), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) Word has length 509 [2021-11-17 13:07:10,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:10,183 INFO L225 Difference]: With dead ends: 7647 [2021-11-17 13:07:10,183 INFO L226 Difference]: Without dead ends: 4787 [2021-11-17 13:07:10,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 674 GetRequests, 654 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-11-17 13:07:10,191 INFO L933 BasicCegarLoop]: 1939 mSDtfsCounter, 823 mSDsluCounter, 7460 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 9399 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:10,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [987 Valid, 9399 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-17 13:07:10,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4787 states. [2021-11-17 13:07:10,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4787 to 2885. [2021-11-17 13:07:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2885 states, 2071 states have (on average 1.2134234669241912) internal successors, (2513), 2103 states have internal predecessors, (2513), 660 states have call successors, (660), 141 states have call predecessors, (660), 151 states have return successors, (763), 671 states have call predecessors, (763), 660 states have call successors, (763) [2021-11-17 13:07:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 3936 transitions. [2021-11-17 13:07:10,459 INFO L78 Accepts]: Start accepts. Automaton has 2885 states and 3936 transitions. Word has length 509 [2021-11-17 13:07:10,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:10,460 INFO L470 AbstractCegarLoop]: Abstraction has 2885 states and 3936 transitions. [2021-11-17 13:07:10,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 32.0) internal successors, (224), 6 states have internal predecessors, (224), 3 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (59), 4 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-17 13:07:10,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3936 transitions. [2021-11-17 13:07:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2021-11-17 13:07:10,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:10,466 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 11, 11, 11, 11, 11, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:10,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-17 13:07:10,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:10,687 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:10,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:10,688 INFO L85 PathProgramCache]: Analyzing trace with hash -791151363, now seen corresponding path program 1 times [2021-11-17 13:07:10,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:10,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267419613] [2021-11-17 13:07:10,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:10,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:07:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:07:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:07:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:07:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:07:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:07:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:07:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 13:07:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:07:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:07:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 13:07:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:07:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 13:07:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 13:07:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 13:07:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 13:07:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:07:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 13:07:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 13:07:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 13:07:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 13:07:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 13:07:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 13:07:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 13:07:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 13:07:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:07:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:07:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 13:07:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 13:07:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 13:07:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 13:07:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-11-17 13:07:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 13:07:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:07:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:07:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 13:07:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 13:07:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2021-11-17 13:07:12,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:12,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267419613] [2021-11-17 13:07:12,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267419613] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:07:12,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569081517] [2021-11-17 13:07:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:12,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:07:12,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:07:12,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-17 13:07:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:13,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 3944 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-17 13:07:13,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:07:14,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2021-11-17 13:07:14,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:07:14,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569081517] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:14,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:07:14,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 25 [2021-11-17 13:07:14,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2658054] [2021-11-17 13:07:14,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:14,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 13:07:14,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 13:07:14,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2021-11-17 13:07:14,886 INFO L87 Difference]: Start difference. First operand 2885 states and 3936 transitions. Second operand has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 12 states have internal predecessors, (211), 2 states have call successors, (58), 1 states have call predecessors, (58), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-17 13:07:17,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:17,182 INFO L93 Difference]: Finished difference Result 4684 states and 6643 transitions. [2021-11-17 13:07:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-17 13:07:17,183 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 12 states have internal predecessors, (211), 2 states have call successors, (58), 1 states have call predecessors, (58), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) Word has length 543 [2021-11-17 13:07:17,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:17,193 INFO L225 Difference]: With dead ends: 4684 [2021-11-17 13:07:17,193 INFO L226 Difference]: Without dead ends: 4682 [2021-11-17 13:07:17,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=138, Invalid=1268, Unknown=0, NotChecked=0, Total=1406 [2021-11-17 13:07:17,194 INFO L933 BasicCegarLoop]: 1912 mSDtfsCounter, 1194 mSDsluCounter, 22248 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 24160 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:17,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 24160 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-17 13:07:17,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2021-11-17 13:07:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 3115. [2021-11-17 13:07:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2249 states have (on average 1.2152067585593598) internal successors, (2733), 2285 states have internal predecessors, (2733), 711 states have call successors, (711), 141 states have call predecessors, (711), 152 states have return successors, (818), 723 states have call predecessors, (818), 711 states have call successors, (818) [2021-11-17 13:07:17,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4262 transitions. [2021-11-17 13:07:17,480 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4262 transitions. Word has length 543 [2021-11-17 13:07:17,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:17,481 INFO L470 AbstractCegarLoop]: Abstraction has 3115 states and 4262 transitions. [2021-11-17 13:07:17,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.071428571428571) internal successors, (211), 12 states have internal predecessors, (211), 2 states have call successors, (58), 1 states have call predecessors, (58), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2021-11-17 13:07:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4262 transitions. [2021-11-17 13:07:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2021-11-17 13:07:17,488 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:17,489 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 13, 13, 13, 13, 13, 12, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:17,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-17 13:07:17,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-11-17 13:07:17,713 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:17,713 INFO L85 PathProgramCache]: Analyzing trace with hash 861853896, now seen corresponding path program 1 times [2021-11-17 13:07:17,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:17,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120239937] [2021-11-17 13:07:17,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:17,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:17,829 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 13:07:17,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1740950647] [2021-11-17 13:07:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:17,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:17,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:07:17,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:07:17,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-17 13:07:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:18,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 4792 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 13:07:18,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:07:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2507 backedges. 984 proven. 0 refuted. 0 times theorem prover too weak. 1523 trivial. 0 not checked. [2021-11-17 13:07:20,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:07:20,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:20,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120239937] [2021-11-17 13:07:20,254 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 13:07:20,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740950647] [2021-11-17 13:07:20,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740950647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:20,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:20,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 13:07:20,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852400661] [2021-11-17 13:07:20,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:20,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:07:20,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:20,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:07:20,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:07:20,255 INFO L87 Difference]: Start difference. First operand 3115 states and 4262 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-17 13:07:20,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:20,749 INFO L93 Difference]: Finished difference Result 7382 states and 10275 transitions. [2021-11-17 13:07:20,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:07:20,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 712 [2021-11-17 13:07:20,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:20,763 INFO L225 Difference]: With dead ends: 7382 [2021-11-17 13:07:20,764 INFO L226 Difference]: Without dead ends: 4284 [2021-11-17 13:07:20,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:07:20,774 INFO L933 BasicCegarLoop]: 1834 mSDtfsCounter, 307 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 3370 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:20,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 3370 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:07:20,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4284 states. [2021-11-17 13:07:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4284 to 3115. [2021-11-17 13:07:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2249 states have (on average 1.213428190306803) internal successors, (2729), 2285 states have internal predecessors, (2729), 711 states have call successors, (711), 141 states have call predecessors, (711), 152 states have return successors, (818), 723 states have call predecessors, (818), 711 states have call successors, (818) [2021-11-17 13:07:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 4258 transitions. [2021-11-17 13:07:21,153 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 4258 transitions. Word has length 712 [2021-11-17 13:07:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:21,154 INFO L470 AbstractCegarLoop]: Abstraction has 3115 states and 4258 transitions. [2021-11-17 13:07:21,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2021-11-17 13:07:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 4258 transitions. [2021-11-17 13:07:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-11-17 13:07:21,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:21,162 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:21,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-11-17 13:07:21,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:21,388 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:21,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:21,388 INFO L85 PathProgramCache]: Analyzing trace with hash -103283199, now seen corresponding path program 1 times [2021-11-17 13:07:21,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:21,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37477251] [2021-11-17 13:07:21,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:21,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:21,484 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 13:07:21,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645217758] [2021-11-17 13:07:21,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:21,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:21,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:07:21,486 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:07:21,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-17 13:07:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:22,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 4173 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-17 13:07:22,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:07:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1728 trivial. 0 not checked. [2021-11-17 13:07:26,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:07:26,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:26,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37477251] [2021-11-17 13:07:26,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 13:07:26,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645217758] [2021-11-17 13:07:26,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645217758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:26,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:26,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 13:07:26,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886456268] [2021-11-17 13:07:26,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:26,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:07:26,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:26,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:07:26,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 13:07:26,818 INFO L87 Difference]: Start difference. First operand 3115 states and 4258 transitions. Second operand has 5 states, 5 states have (on average 44.2) internal successors, (221), 3 states have internal predecessors, (221), 1 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2021-11-17 13:07:27,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:27,258 INFO L93 Difference]: Finished difference Result 3229 states and 4372 transitions. [2021-11-17 13:07:27,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:07:27,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 3 states have internal predecessors, (221), 1 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 587 [2021-11-17 13:07:27,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:27,265 INFO L225 Difference]: With dead ends: 3229 [2021-11-17 13:07:27,266 INFO L226 Difference]: Without dead ends: 3227 [2021-11-17 13:07:27,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:07:27,267 INFO L933 BasicCegarLoop]: 1494 mSDtfsCounter, 1108 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:27,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1109 Valid, 4578 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:07:27,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2021-11-17 13:07:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 3225. [2021-11-17 13:07:27,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3225 states, 2325 states have (on average 1.210752688172043) internal successors, (2815), 2361 states have internal predecessors, (2815), 723 states have call successors, (723), 163 states have call predecessors, (723), 174 states have return successors, (830), 735 states have call predecessors, (830), 723 states have call successors, (830) [2021-11-17 13:07:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 3225 states and 4368 transitions. [2021-11-17 13:07:27,552 INFO L78 Accepts]: Start accepts. Automaton has 3225 states and 4368 transitions. Word has length 587 [2021-11-17 13:07:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:27,553 INFO L470 AbstractCegarLoop]: Abstraction has 3225 states and 4368 transitions. [2021-11-17 13:07:27,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.2) internal successors, (221), 3 states have internal predecessors, (221), 1 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2021-11-17 13:07:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 4368 transitions. [2021-11-17 13:07:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2021-11-17 13:07:27,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:27,560 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 11, 11, 11, 11, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:27,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-17 13:07:27,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:07:27,784 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:27,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:27,784 INFO L85 PathProgramCache]: Analyzing trace with hash -393232143, now seen corresponding path program 1 times [2021-11-17 13:07:27,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:27,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043039783] [2021-11-17 13:07:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:27,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:27,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:07:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:07:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:07:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:07:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:07:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:07:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:07:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:07:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:07:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:07:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 13:07:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 13:07:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 13:07:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 13:07:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 13:07:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:07:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:07:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 13:07:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 13:07:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:07:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:07:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:07:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 13:07:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 13:07:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 13:07:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:07:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-17 13:07:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 13:07:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 13:07:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 13:07:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 13:07:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 13:07:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 13:07:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 13:07:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 13:07:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:07:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:07:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 13:07:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 13:07:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 13:07:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 13:07:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 13:07:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-17 13:07:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 13:07:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-17 13:07:28,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:07:28,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043039783] [2021-11-17 13:07:28,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043039783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:07:28,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:07:28,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:07:28,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085593719] [2021-11-17 13:07:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:07:28,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:07:28,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:07:28,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:07:28,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:07:28,475 INFO L87 Difference]: Start difference. First operand 3225 states and 4368 transitions. Second operand has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 13:07:30,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:32,624 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:34,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:36,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:38,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:07:59,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:07:59,297 INFO L93 Difference]: Finished difference Result 6621 states and 9165 transitions. [2021-11-17 13:07:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:07:59,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 580 [2021-11-17 13:07:59,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:07:59,308 INFO L225 Difference]: With dead ends: 6621 [2021-11-17 13:07:59,309 INFO L226 Difference]: Without dead ends: 3413 [2021-11-17 13:07:59,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:07:59,316 INFO L933 BasicCegarLoop]: 1524 mSDtfsCounter, 2004 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 5240 mSolverCounterSat, 1442 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 6687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1442 IncrementalHoareTripleChecker+Valid, 5240 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:07:59,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2070 Valid, 2907 Invalid, 6687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1442 Valid, 5240 Invalid, 5 Unknown, 0 Unchecked, 29.7s Time] [2021-11-17 13:07:59,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2021-11-17 13:07:59,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3229. [2021-11-17 13:07:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 2329 states have (on average 1.210390725633319) internal successors, (2819), 2365 states have internal predecessors, (2819), 723 states have call successors, (723), 163 states have call predecessors, (723), 174 states have return successors, (830), 735 states have call predecessors, (830), 723 states have call successors, (830) [2021-11-17 13:07:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4372 transitions. [2021-11-17 13:07:59,607 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4372 transitions. Word has length 580 [2021-11-17 13:07:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:07:59,607 INFO L470 AbstractCegarLoop]: Abstraction has 3229 states and 4372 transitions. [2021-11-17 13:07:59,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 13:07:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4372 transitions. [2021-11-17 13:07:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2021-11-17 13:07:59,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:07:59,614 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 11, 11, 11, 11, 11, 10, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:07:59,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-17 13:07:59,615 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:07:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:07:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1237237645, now seen corresponding path program 1 times [2021-11-17 13:07:59,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:07:59,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128459071] [2021-11-17 13:07:59,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:07:59,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:07:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:07:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:07:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:07:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:07:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:07:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:07:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:07:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:07:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:07:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:07:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:07:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:07:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:07:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:07:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:07:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:07:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:07:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:07:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:07:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:07:59,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:07:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 13:08:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 13:08:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-17 13:08:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 13:08:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 13:08:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:08:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:08:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 13:08:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-17 13:08:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:08:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:08:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:08:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 13:08:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 13:08:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 13:08:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:08:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-11-17 13:08:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 13:08:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 13:08:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 13:08:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 13:08:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 13:08:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 13:08:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 13:08:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 13:08:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:08:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:08:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 13:08:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 13:08:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-11-17 13:08:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 13:08:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 13:08:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-17 13:08:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 13:08:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2021-11-17 13:08:00,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:00,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128459071] [2021-11-17 13:08:00,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128459071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:00,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:08:00,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:08:00,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843384981] [2021-11-17 13:08:00,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:00,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:08:00,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:00,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:08:00,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:08:00,360 INFO L87 Difference]: Start difference. First operand 3229 states and 4372 transitions. Second operand has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 13:08:02,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:04,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:06,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:08:24,699 INFO L93 Difference]: Finished difference Result 6629 states and 9173 transitions. [2021-11-17 13:08:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:08:24,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 580 [2021-11-17 13:08:24,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:08:24,709 INFO L225 Difference]: With dead ends: 6629 [2021-11-17 13:08:24,709 INFO L226 Difference]: Without dead ends: 3417 [2021-11-17 13:08:24,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:08:24,716 INFO L933 BasicCegarLoop]: 1530 mSDtfsCounter, 2246 mSDsluCounter, 1250 mSDsCounter, 0 mSdLazyCounter, 4198 mSolverCounterSat, 1764 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 5965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1764 IncrementalHoareTripleChecker+Valid, 4198 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:08:24,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2312 Valid, 2780 Invalid, 5965 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1764 Valid, 4198 Invalid, 3 Unknown, 0 Unchecked, 23.2s Time] [2021-11-17 13:08:24,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2021-11-17 13:08:24,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3233. [2021-11-17 13:08:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3233 states, 2333 states have (on average 1.2100300042863266) internal successors, (2823), 2369 states have internal predecessors, (2823), 723 states have call successors, (723), 163 states have call predecessors, (723), 174 states have return successors, (830), 735 states have call predecessors, (830), 723 states have call successors, (830) [2021-11-17 13:08:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 3233 states and 4376 transitions. [2021-11-17 13:08:25,001 INFO L78 Accepts]: Start accepts. Automaton has 3233 states and 4376 transitions. Word has length 580 [2021-11-17 13:08:25,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:08:25,001 INFO L470 AbstractCegarLoop]: Abstraction has 3233 states and 4376 transitions. [2021-11-17 13:08:25,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 30.5) internal successors, (244), 3 states have internal predecessors, (244), 2 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-17 13:08:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 4376 transitions. [2021-11-17 13:08:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-11-17 13:08:25,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:08:25,010 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 13, 13, 13, 13, 13, 12, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:08:25,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-17 13:08:25,010 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:08:25,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:08:25,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1677002207, now seen corresponding path program 1 times [2021-11-17 13:08:25,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:08:25,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268894648] [2021-11-17 13:08:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:25,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:08:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:08:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:08:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:08:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:08:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:08:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:08:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:08:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:08:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:08:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:08:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:08:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:08:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:08:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:08:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:08:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 13:08:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 13:08:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 13:08:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 13:08:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:08:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 13:08:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 13:08:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:08:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 13:08:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 13:08:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:08:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:08:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 13:08:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 13:08:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:08:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 13:08:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-11-17 13:08:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-11-17 13:08:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 13:08:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 13:08:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 13:08:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 13:08:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 13:08:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 13:08:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 13:08:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 13:08:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 13:08:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 13:08:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 13:08:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-11-17 13:08:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-11-17 13:08:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-11-17 13:08:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-11-17 13:08:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2021-11-17 13:08:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-11-17 13:08:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-11-17 13:08:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2021-11-17 13:08:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 13:08:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:08:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:08:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2021-11-17 13:08:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2021-11-17 13:08:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2021-11-17 13:08:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 13:08:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2021-11-17 13:08:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 13:08:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2021-11-17 13:08:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2021-11-17 13:08:26,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:26,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268894648] [2021-11-17 13:08:26,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268894648] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:08:26,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602414686] [2021-11-17 13:08:26,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:26,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:08:26,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:08:26,328 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:08:26,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-17 13:08:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:27,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 4906 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 13:08:27,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:08:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2504 trivial. 0 not checked. [2021-11-17 13:08:28,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:08:28,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602414686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:28,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:08:28,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 14 [2021-11-17 13:08:28,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722488793] [2021-11-17 13:08:28,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:28,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 13:08:28,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:28,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 13:08:28,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:08:28,367 INFO L87 Difference]: Start difference. First operand 3233 states and 4376 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-17 13:08:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:08:28,797 INFO L93 Difference]: Finished difference Result 6461 states and 8841 transitions. [2021-11-17 13:08:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:08:28,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 740 [2021-11-17 13:08:28,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:08:28,808 INFO L225 Difference]: With dead ends: 6461 [2021-11-17 13:08:28,809 INFO L226 Difference]: Without dead ends: 3245 [2021-11-17 13:08:28,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 967 GetRequests, 954 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:08:28,815 INFO L933 BasicCegarLoop]: 1488 mSDtfsCounter, 3 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4457 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:08:28,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 4457 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:08:28,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3245 states. [2021-11-17 13:08:29,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3245 to 3241. [2021-11-17 13:08:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3241 states, 2341 states have (on average 1.2093122597180692) internal successors, (2831), 2377 states have internal predecessors, (2831), 723 states have call successors, (723), 163 states have call predecessors, (723), 174 states have return successors, (830), 735 states have call predecessors, (830), 723 states have call successors, (830) [2021-11-17 13:08:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 3241 states and 4384 transitions. [2021-11-17 13:08:29,097 INFO L78 Accepts]: Start accepts. Automaton has 3241 states and 4384 transitions. Word has length 740 [2021-11-17 13:08:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:08:29,098 INFO L470 AbstractCegarLoop]: Abstraction has 3241 states and 4384 transitions. [2021-11-17 13:08:29,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-17 13:08:29,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 4384 transitions. [2021-11-17 13:08:29,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2021-11-17 13:08:29,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:08:29,105 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:08:29,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-17 13:08:29,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-11-17 13:08:29,315 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-17 13:08:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:08:29,315 INFO L85 PathProgramCache]: Analyzing trace with hash 224439644, now seen corresponding path program 1 times [2021-11-17 13:08:29,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:08:29,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125742251] [2021-11-17 13:08:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:08:29,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:08:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:08:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:08:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:08:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:08:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:08:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:08:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:08:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:08:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:08:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:08:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:08:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 13:08:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:08:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:08:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:08:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:08:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-11-17 13:08:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:08:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:08:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:08:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:08:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:08:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 13:08:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-17 13:08:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 13:08:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 13:08:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 13:08:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 13:08:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-11-17 13:08:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 13:08:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 13:08:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 13:08:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 13:08:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:08:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 13:08:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 13:08:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 13:08:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 13:08:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 13:08:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 13:08:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 13:08:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 13:08:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-11-17 13:08:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 13:08:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 13:08:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 13:08:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 13:08:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-11-17 13:08:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 13:08:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-11-17 13:08:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:08:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:08:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-11-17 13:08:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-11-17 13:08:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2021-11-17 13:08:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:08:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 13:08:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:08:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-17 13:08:30,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:08:30,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125742251] [2021-11-17 13:08:30,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125742251] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:08:30,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:08:30,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:08:30,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691047207] [2021-11-17 13:08:30,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:08:30,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:08:30,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:08:30,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:08:30,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:08:30,240 INFO L87 Difference]: Start difference. First operand 3241 states and 4384 transitions. Second operand has 9 states, 9 states have (on average 26.555555555555557) internal successors, (239), 4 states have internal predecessors, (239), 2 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2021-11-17 13:08:32,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:34,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:08:36,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15