./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--usb--host--isp116x-hcd.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--usb--host--isp116x-hcd.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 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 13:15:59,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 13:15:59,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 13:15:59,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 13:15:59,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 13:15:59,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 13:15:59,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 13:15:59,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 13:15:59,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 13:15:59,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 13:15:59,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 13:15:59,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 13:15:59,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 13:15:59,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 13:15:59,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 13:15:59,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 13:15:59,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 13:15:59,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 13:15:59,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 13:15:59,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 13:15:59,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 13:15:59,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 13:15:59,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 13:15:59,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 13:15:59,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 13:15:59,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 13:15:59,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 13:15:59,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 13:15:59,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 13:15:59,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 13:15:59,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 13:15:59,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 13:15:59,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 13:15:59,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 13:15:59,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 13:15:59,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 13:15:59,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 13:15:59,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 13:15:59,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 13:15:59,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 13:15:59,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 13:15:59,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 13:15:59,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 13:15:59,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 13:15:59,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 13:15:59,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 13:15:59,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 13:15:59,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 13:15:59,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 13:15:59,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 13:15:59,731 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 13:15:59,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 13:15:59,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 13:15:59,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 13:15:59,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 13:15:59,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:15:59,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 13:15:59,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 13:15:59,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 13:15:59,735 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 13:15:59,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 13:15:59,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 13:15:59,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 13:15:59,735 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2021-11-17 13:15:59,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 13:15:59,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 13:15:59,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 13:15:59,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 13:15:59,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 13:15:59,945 INFO L432 ainManager$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--usb--host--isp116x-hcd.ko.cil.i [2021-11-17 13:15:59,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7547591/84fcebe025a64426b35a1ad5e3e9eee4/FLAG17fc7b6a1 [2021-11-17 13:16:00,594 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 13:16:00,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-11-17 13:16:00,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7547591/84fcebe025a64426b35a1ad5e3e9eee4/FLAG17fc7b6a1 [2021-11-17 13:16:01,019 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7547591/84fcebe025a64426b35a1ad5e3e9eee4 [2021-11-17 13:16:01,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 13:16:01,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 13:16:01,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 13:16:01,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 13:16:01,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 13:16:01,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:16:01" (1/1) ... [2021-11-17 13:16:01,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d54ff4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:01, skipping insertion in model container [2021-11-17 13:16:01,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:16:01" (1/1) ... [2021-11-17 13:16:01,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 13:16:01,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 13:16:03,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2021-11-17 13:16:03,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2021-11-17 13:16:03,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2021-11-17 13:16:03,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2021-11-17 13:16:03,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2021-11-17 13:16:03,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2021-11-17 13:16:03,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2021-11-17 13:16:03,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2021-11-17 13:16:03,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2021-11-17 13:16:03,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2021-11-17 13:16:03,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2021-11-17 13:16:03,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2021-11-17 13:16:03,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2021-11-17 13:16:03,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2021-11-17 13:16:03,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2021-11-17 13:16:03,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2021-11-17 13:16:03,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2021-11-17 13:16:03,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2021-11-17 13:16:03,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2021-11-17 13:16:03,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2021-11-17 13:16:03,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2021-11-17 13:16:03,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2021-11-17 13:16:03,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2021-11-17 13:16:03,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2021-11-17 13:16:03,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2021-11-17 13:16:03,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2021-11-17 13:16:03,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2021-11-17 13:16:03,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2021-11-17 13:16:03,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2021-11-17 13:16:03,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2021-11-17 13:16:03,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2021-11-17 13:16:03,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2021-11-17 13:16:03,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2021-11-17 13:16:03,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2021-11-17 13:16:03,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2021-11-17 13:16:03,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2021-11-17 13:16:03,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2021-11-17 13:16:03,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2021-11-17 13:16:03,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2021-11-17 13:16:03,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2021-11-17 13:16:03,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2021-11-17 13:16:03,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2021-11-17 13:16:03,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2021-11-17 13:16:03,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2021-11-17 13:16:03,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2021-11-17 13:16:03,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2021-11-17 13:16:03,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2021-11-17 13:16:03,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2021-11-17 13:16:03,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2021-11-17 13:16:03,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2021-11-17 13:16:03,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2021-11-17 13:16:03,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2021-11-17 13:16:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2021-11-17 13:16:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2021-11-17 13:16:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2021-11-17 13:16:03,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2021-11-17 13:16:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2021-11-17 13:16:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2021-11-17 13:16:03,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2021-11-17 13:16:03,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2021-11-17 13:16:03,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2021-11-17 13:16:03,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2021-11-17 13:16:03,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2021-11-17 13:16:03,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2021-11-17 13:16:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2021-11-17 13:16:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2021-11-17 13:16:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2021-11-17 13:16:03,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2021-11-17 13:16:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2021-11-17 13:16:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2021-11-17 13:16:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2021-11-17 13:16:03,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2021-11-17 13:16:03,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2021-11-17 13:16:03,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2021-11-17 13:16:03,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2021-11-17 13:16:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2021-11-17 13:16:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2021-11-17 13:16:03,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2021-11-17 13:16:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2021-11-17 13:16:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2021-11-17 13:16:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2021-11-17 13:16:03,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2021-11-17 13:16:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2021-11-17 13:16:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2021-11-17 13:16:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2021-11-17 13:16:03,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2021-11-17 13:16:03,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2021-11-17 13:16:03,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2021-11-17 13:16:03,291 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:16:03,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 13:16:03,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364624,364637] [2021-11-17 13:16:03,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364769,364782] [2021-11-17 13:16:03,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[364915,364928] [2021-11-17 13:16:03,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365080,365093] [2021-11-17 13:16:03,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365238,365251] [2021-11-17 13:16:03,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365396,365409] [2021-11-17 13:16:03,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365554,365567] [2021-11-17 13:16:03,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365714,365727] [2021-11-17 13:16:03,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[365873,365886] [2021-11-17 13:16:03,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366012,366025] [2021-11-17 13:16:03,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366154,366167] [2021-11-17 13:16:03,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366303,366316] [2021-11-17 13:16:03,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366442,366455] [2021-11-17 13:16:03,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366597,366610] [2021-11-17 13:16:03,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366757,366770] [2021-11-17 13:16:03,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[366908,366921] [2021-11-17 13:16:03,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367059,367072] [2021-11-17 13:16:03,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367211,367224] [2021-11-17 13:16:03,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367360,367373] [2021-11-17 13:16:03,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367508,367521] [2021-11-17 13:16:03,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367665,367678] [2021-11-17 13:16:03,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367814,367827] [2021-11-17 13:16:03,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[367970,367983] [2021-11-17 13:16:03,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368123,368136] [2021-11-17 13:16:03,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368269,368282] [2021-11-17 13:16:03,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368412,368425] [2021-11-17 13:16:03,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368564,368577] [2021-11-17 13:16:03,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368710,368723] [2021-11-17 13:16:03,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[368855,368868] [2021-11-17 13:16:03,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369009,369022] [2021-11-17 13:16:03,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369160,369173] [2021-11-17 13:16:03,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369315,369328] [2021-11-17 13:16:03,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369467,369480] [2021-11-17 13:16:03,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369622,369635] [2021-11-17 13:16:03,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369786,369799] [2021-11-17 13:16:03,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[369942,369955] [2021-11-17 13:16:03,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370106,370119] [2021-11-17 13:16:03,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370248,370261] [2021-11-17 13:16:03,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370406,370419] [2021-11-17 13:16:03,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370573,370586] [2021-11-17 13:16:03,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370732,370745] [2021-11-17 13:16:03,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[370891,370904] [2021-11-17 13:16:03,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371040,371053] [2021-11-17 13:16:03,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371187,371200] [2021-11-17 13:16:03,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371326,371339] [2021-11-17 13:16:03,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371489,371502] [2021-11-17 13:16:03,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371655,371668] [2021-11-17 13:16:03,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371819,371832] [2021-11-17 13:16:03,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[371984,371997] [2021-11-17 13:16:03,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372149,372162] [2021-11-17 13:16:03,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372315,372328] [2021-11-17 13:16:03,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372480,372493] [2021-11-17 13:16:03,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372647,372660] [2021-11-17 13:16:03,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372807,372820] [2021-11-17 13:16:03,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[372969,372982] [2021-11-17 13:16:03,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373128,373141] [2021-11-17 13:16:03,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373274,373287] [2021-11-17 13:16:03,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373417,373430] [2021-11-17 13:16:03,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373561,373574] [2021-11-17 13:16:03,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373704,373717] [2021-11-17 13:16:03,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373848,373861] [2021-11-17 13:16:03,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[373989,374002] [2021-11-17 13:16:03,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374127,374140] [2021-11-17 13:16:03,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374285,374298] [2021-11-17 13:16:03,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374444,374457] [2021-11-17 13:16:03,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374600,374613] [2021-11-17 13:16:03,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374749,374762] [2021-11-17 13:16:03,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[374901,374914] [2021-11-17 13:16:03,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375052,375065] [2021-11-17 13:16:03,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375201,375214] [2021-11-17 13:16:03,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375353,375366] [2021-11-17 13:16:03,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375501,375514] [2021-11-17 13:16:03,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375654,375667] [2021-11-17 13:16:03,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375805,375818] [2021-11-17 13:16:03,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[375955,375968] [2021-11-17 13:16:03,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376102,376115] [2021-11-17 13:16:03,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376253,376266] [2021-11-17 13:16:03,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376404,376417] [2021-11-17 13:16:03,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376552,376565] [2021-11-17 13:16:03,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376718,376731] [2021-11-17 13:16:03,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[376887,376900] [2021-11-17 13:16:03,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377054,377067] [2021-11-17 13:16:03,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377222,377235] [2021-11-17 13:16:03,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377372,377385] [2021-11-17 13:16:03,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377519,377532] [2021-11-17 13:16:03,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377680,377693] [2021-11-17 13:16:03,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[377850,377863] [2021-11-17 13:16:03,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i[378012,378025] [2021-11-17 13:16:03,640 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:16:03,754 INFO L208 MainTranslator]: Completed translation [2021-11-17 13:16:03,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03 WrapperNode [2021-11-17 13:16:03,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 13:16:03,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 13:16:03,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 13:16:03,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 13:16:03,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:03,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,005 INFO L137 Inliner]: procedures = 599, calls = 2864, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6180 [2021-11-17 13:16:04,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 13:16:04,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 13:16:04,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 13:16:04,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 13:16:04,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 13:16:04,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 13:16:04,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 13:16:04,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 13:16:04,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (1/1) ... [2021-11-17 13:16:04,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:16:04,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:16:04,223 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 13:16:04,249 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 13:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:16:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 13:16:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 13:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2021-11-17 13:16:04,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2021-11-17 13:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 13:16:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 13:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:16:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:16:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:16:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:16:04,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 13:16:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 13:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-11-17 13:16:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-11-17 13:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 13:16:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 13:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 13:16:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 13:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:16:04,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2021-11-17 13:16:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-17 13:16:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2021-11-17 13:16:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:16:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 13:16:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 13:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 13:16:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 13:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:16:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-17 13:16:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-17 13:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 13:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2021-11-17 13:16:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2021-11-17 13:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:16:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:16:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2021-11-17 13:16:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2021-11-17 13:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 13:16:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 13:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2021-11-17 13:16:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2021-11-17 13:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2021-11-17 13:16:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2021-11-17 13:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:16:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2021-11-17 13:16:04,272 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:16:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 13:16:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 13:16:04,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 13:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 13:16:04,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 13:16:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 13:16:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:16:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:16:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:16:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:16:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2021-11-17 13:16:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2021-11-17 13:16:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2021-11-17 13:16:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2021-11-17 13:16:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 13:16:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 13:16:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:16:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:16:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2021-11-17 13:16:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2021-11-17 13:16:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 13:16:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 13:16:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 13:16:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 13:16:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-11-17 13:16:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-11-17 13:16:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2021-11-17 13:16:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2021-11-17 13:16:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 13:16:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 13:16:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 13:16:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 13:16:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:16:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:16:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-17 13:16:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-17 13:16:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2021-11-17 13:16:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2021-11-17 13:16:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2021-11-17 13:16:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2021-11-17 13:16:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:16:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:16:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-11-17 13:16:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-11-17 13:16:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-11-17 13:16:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-11-17 13:16:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2021-11-17 13:16:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2021-11-17 13:16:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2021-11-17 13:16:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2021-11-17 13:16:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:16:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:16:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:16:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:16:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 13:16:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 13:16:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 13:16:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:16:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:16:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-11-17 13:16:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 13:16:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-17 13:16:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:16:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:16:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 13:16:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2021-11-17 13:16:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-17 13:16:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2021-11-17 13:16:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 13:16:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2021-11-17 13:16:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2021-11-17 13:16:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 13:16:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 13:16:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:16:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:16:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:16:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:16:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:16:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:16:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:16:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:16:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 13:16:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 13:16:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:16:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 13:16:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2021-11-17 13:16:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2021-11-17 13:16:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2021-11-17 13:16:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2021-11-17 13:16:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:16:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:16:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-11-17 13:16:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-11-17 13:16:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2021-11-17 13:16:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2021-11-17 13:16:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2021-11-17 13:16:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2021-11-17 13:16:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2021-11-17 13:16:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 13:16:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2021-11-17 13:16:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:16:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 13:16:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-17 13:16:04,288 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-17 13:16:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2021-11-17 13:16:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2021-11-17 13:16:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2021-11-17 13:16:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2021-11-17 13:16:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 13:16:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 13:16:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-17 13:16:04,289 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-11-17 13:16:04,289 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-11-17 13:16:04,936 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 13:16:04,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 13:16:05,089 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 13:16:10,310 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 13:16:10,321 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 13:16:10,322 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 13:16:10,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:16:10 BoogieIcfgContainer [2021-11-17 13:16:10,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 13:16:10,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 13:16:10,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 13:16:10,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 13:16:10,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:16:01" (1/3) ... [2021-11-17 13:16:10,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4732317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:16:10, skipping insertion in model container [2021-11-17 13:16:10,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:16:03" (2/3) ... [2021-11-17 13:16:10,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4732317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:16:10, skipping insertion in model container [2021-11-17 13:16:10,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:16:10" (3/3) ... [2021-11-17 13:16:10,329 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-11-17 13:16:10,332 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 13:16:10,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-17 13:16:10,367 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 13:16:10,371 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 13:16:10,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-17 13:16:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 2060 states, 1392 states have (on average 1.3031609195402298) internal successors, (1814), 1461 states have internal predecessors, (1814), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) [2021-11-17 13:16:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 13:16:10,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:10,411 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 13:16:10,411 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 26 more)] === [2021-11-17 13:16:10,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:10,414 INFO L85 PathProgramCache]: Analyzing trace with hash 2021026787, now seen corresponding path program 1 times [2021-11-17 13:16:10,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:10,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627951958] [2021-11-17 13:16:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:10,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:16:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:16:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:16:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:16:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:10,937 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 13:16:10,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:10,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627951958] [2021-11-17 13:16:10,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627951958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:10,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:10,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:10,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970487587] [2021-11-17 13:16:10,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:10,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:10,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:10,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:10,967 INFO L87 Difference]: Start difference. First operand has 2060 states, 1392 states have (on average 1.3031609195402298) internal successors, (1814), 1461 states have internal predecessors, (1814), 547 states have call successors, (547), 94 states have call predecessors, (547), 93 states have return successors, (540), 532 states have call predecessors, (540), 540 states have call successors, (540) 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 13:16:13,116 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 13:16:21,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:21,911 INFO L93 Difference]: Finished difference Result 6102 states and 8920 transitions. [2021-11-17 13:16:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:16:21,913 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 13:16:21,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:21,950 INFO L225 Difference]: With dead ends: 6102 [2021-11-17 13:16:21,951 INFO L226 Difference]: Without dead ends: 4034 [2021-11-17 13:16:21,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:16:21,967 INFO L933 BasicCegarLoop]: 2797 mSDtfsCounter, 6184 mSDsluCounter, 4485 mSDsCounter, 0 mSdLazyCounter, 4683 mSolverCounterSat, 4072 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 7282 SdHoareTripleChecker+Invalid, 8756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4072 IncrementalHoareTripleChecker+Valid, 4683 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:21,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6369 Valid, 7282 Invalid, 8756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4072 Valid, 4683 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2021-11-17 13:16:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2021-11-17 13:16:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 3838. [2021-11-17 13:16:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3838 states, 2621 states have (on average 1.2804273178176269) internal successors, (3356), 2722 states have internal predecessors, (3356), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 165 states have return successors, (1050), 1001 states have call predecessors, (1050), 1022 states have call successors, (1050) [2021-11-17 13:16:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5430 transitions. [2021-11-17 13:16:22,185 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5430 transitions. Word has length 64 [2021-11-17 13:16:22,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:22,186 INFO L470 AbstractCegarLoop]: Abstraction has 3838 states and 5430 transitions. [2021-11-17 13:16:22,186 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 13:16:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5430 transitions. [2021-11-17 13:16:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 13:16:22,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:22,195 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 13:16:22,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 13:16:22,196 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 26 more)] === [2021-11-17 13:16:22,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:22,197 INFO L85 PathProgramCache]: Analyzing trace with hash 115057794, now seen corresponding path program 1 times [2021-11-17 13:16:22,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:22,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330237230] [2021-11-17 13:16:22,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:22,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:16:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:16:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:16:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:16:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:16:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:22,463 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 13:16:22,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:22,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330237230] [2021-11-17 13:16:22,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330237230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:22,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:22,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:22,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805597138] [2021-11-17 13:16:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:22,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:22,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:22,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:22,466 INFO L87 Difference]: Start difference. First operand 3838 states and 5430 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 13:16:24,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:26,568 WARN L515 Checker$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 13:16:31,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:31,060 INFO L93 Difference]: Finished difference Result 3838 states and 5430 transitions. [2021-11-17 13:16:31,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:16:31,060 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 13:16:31,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:31,079 INFO L225 Difference]: With dead ends: 3838 [2021-11-17 13:16:31,080 INFO L226 Difference]: Without dead ends: 3836 [2021-11-17 13:16:31,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:16:31,087 INFO L933 BasicCegarLoop]: 2506 mSDtfsCounter, 4106 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 2364 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4312 SdHoareTripleChecker+Valid, 5288 SdHoareTripleChecker+Invalid, 4518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:31,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4312 Valid, 5288 Invalid, 4518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2152 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 13:16:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-11-17 13:16:31,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-11-17 13:16:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3836 states, 2620 states have (on average 1.2801526717557252) internal successors, (3354), 2720 states have internal predecessors, (3354), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 165 states have return successors, (1050), 1001 states have call predecessors, (1050), 1022 states have call successors, (1050) [2021-11-17 13:16:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5428 transitions. [2021-11-17 13:16:31,296 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5428 transitions. Word has length 70 [2021-11-17 13:16:31,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:31,298 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5428 transitions. [2021-11-17 13:16:31,298 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 13:16:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5428 transitions. [2021-11-17 13:16:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-17 13:16:31,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:31,301 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 13:16:31,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 13:16:31,301 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 26 more)] === [2021-11-17 13:16:31,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:31,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1665140915, now seen corresponding path program 1 times [2021-11-17 13:16:31,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:31,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872652433] [2021-11-17 13:16:31,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:31,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:16:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:16:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:16:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:16:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:16:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:16:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:31,538 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 13:16:31,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:31,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872652433] [2021-11-17 13:16:31,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872652433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:31,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:31,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:31,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170088048] [2021-11-17 13:16:31,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:31,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:31,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:31,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:31,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:31,541 INFO L87 Difference]: Start difference. First operand 3836 states and 5428 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 13:16:32,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:34,796 WARN L515 Checker$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 13:16:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:38,739 INFO L93 Difference]: Finished difference Result 3836 states and 5428 transitions. [2021-11-17 13:16:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:16:38,740 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 13:16:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:38,758 INFO L225 Difference]: With dead ends: 3836 [2021-11-17 13:16:38,758 INFO L226 Difference]: Without dead ends: 3834 [2021-11-17 13:16:38,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:16:38,762 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 4100 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 4516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:38,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4305 Valid, 5286 Invalid, 4516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2151 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-11-17 13:16:38,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-11-17 13:16:38,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3834. [2021-11-17 13:16:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3834 states, 2619 states have (on average 1.2798778159602902) internal successors, (3352), 2718 states have internal predecessors, (3352), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 165 states have return successors, (1050), 1001 states have call predecessors, (1050), 1022 states have call successors, (1050) [2021-11-17 13:16:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3834 states and 5426 transitions. [2021-11-17 13:16:38,870 INFO L78 Accepts]: Start accepts. Automaton has 3834 states and 5426 transitions. Word has length 76 [2021-11-17 13:16:38,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:38,870 INFO L470 AbstractCegarLoop]: Abstraction has 3834 states and 5426 transitions. [2021-11-17 13:16:38,870 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 13:16:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 5426 transitions. [2021-11-17 13:16:38,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-17 13:16:38,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:38,871 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 13:16:38,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 13:16:38,872 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 26 more)] === [2021-11-17 13:16:38,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:38,872 INFO L85 PathProgramCache]: Analyzing trace with hash 359952700, now seen corresponding path program 1 times [2021-11-17 13:16:38,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:38,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877482960] [2021-11-17 13:16:38,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:38,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:16:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:16:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:16:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:16:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:16:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:16:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:16:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:39,030 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 13:16:39,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:39,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877482960] [2021-11-17 13:16:39,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877482960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:39,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:39,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:39,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67689754] [2021-11-17 13:16:39,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:39,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:39,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:39,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:39,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:39,032 INFO L87 Difference]: Start difference. First operand 3834 states and 5426 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 13:16:41,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:43,108 WARN L515 Checker$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 13:16:47,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:47,001 INFO L93 Difference]: Finished difference Result 3834 states and 5426 transitions. [2021-11-17 13:16:47,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:16:47,002 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 13:16:47,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:47,018 INFO L225 Difference]: With dead ends: 3834 [2021-11-17 13:16:47,019 INFO L226 Difference]: Without dead ends: 3832 [2021-11-17 13:16:47,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:16:47,024 INFO L933 BasicCegarLoop]: 2502 mSDtfsCounter, 4094 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2148 mSolverCounterSat, 2364 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2148 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:47,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4298 Valid, 5284 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2148 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-11-17 13:16:47,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-11-17 13:16:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-11-17 13:16:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2618 states have (on average 1.2796027501909855) internal successors, (3350), 2716 states have internal predecessors, (3350), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 165 states have return successors, (1050), 1001 states have call predecessors, (1050), 1022 states have call successors, (1050) [2021-11-17 13:16:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5424 transitions. [2021-11-17 13:16:47,172 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5424 transitions. Word has length 82 [2021-11-17 13:16:47,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:47,172 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5424 transitions. [2021-11-17 13:16:47,173 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 13:16:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5424 transitions. [2021-11-17 13:16:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-17 13:16:47,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:47,174 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-17 13:16:47,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 13:16:47,175 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 26 more)] === [2021-11-17 13:16:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1368284653, now seen corresponding path program 1 times [2021-11-17 13:16:47,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:47,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870997101] [2021-11-17 13:16:47,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:47,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:16:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:16:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:16:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:16:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:16:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:16:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:16:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:16:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-17 13:16:47,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:47,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870997101] [2021-11-17 13:16:47,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870997101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:47,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:47,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:16:47,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578163029] [2021-11-17 13:16:47,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:47,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:16:47,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:47,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:16:47,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:16:47,454 INFO L87 Difference]: Start difference. First operand 3832 states and 5424 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:16:49,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:51,525 WARN L515 Checker$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 13:16:53,577 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 13:16:59,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:59,115 INFO L93 Difference]: Finished difference Result 7710 states and 11008 transitions. [2021-11-17 13:16:59,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:16:59,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 93 [2021-11-17 13:16:59,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:59,179 INFO L225 Difference]: With dead ends: 7710 [2021-11-17 13:16:59,180 INFO L226 Difference]: Without dead ends: 3897 [2021-11-17 13:16:59,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:16:59,191 INFO L933 BasicCegarLoop]: 2237 mSDtfsCounter, 5123 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2174 mSolverCounterSat, 3856 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5361 SdHoareTripleChecker+Valid, 4230 SdHoareTripleChecker+Invalid, 6033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3856 IncrementalHoareTripleChecker+Valid, 2174 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:59,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5361 Valid, 4230 Invalid, 6033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3856 Valid, 2174 Invalid, 3 Unknown, 0 Unchecked, 11.3s Time] [2021-11-17 13:16:59,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3897 states. [2021-11-17 13:16:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3897 to 3842. [2021-11-17 13:16:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2624 states have (on average 1.2778201219512195) internal successors, (3353), 2723 states have internal predecessors, (3353), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:16:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5461 transitions. [2021-11-17 13:16:59,326 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5461 transitions. Word has length 93 [2021-11-17 13:16:59,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:59,328 INFO L470 AbstractCegarLoop]: Abstraction has 3842 states and 5461 transitions. [2021-11-17 13:16:59,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:16:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5461 transitions. [2021-11-17 13:16:59,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-17 13:16:59,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:59,332 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 13:16:59,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 13:16:59,332 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 26 more)] === [2021-11-17 13:16:59,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:59,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1812447352, now seen corresponding path program 1 times [2021-11-17 13:16:59,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:59,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430807221] [2021-11-17 13:16:59,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:59,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:16:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:16:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:16:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:16:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:16:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:16:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:16:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:16:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:16:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:16:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,484 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 13:16:59,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:59,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430807221] [2021-11-17 13:16:59,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430807221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:59,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:59,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:59,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512919811] [2021-11-17 13:16:59,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:59,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:59,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:59,487 INFO L87 Difference]: Start difference. First operand 3842 states and 5461 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 13:17:01,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:06,555 INFO L93 Difference]: Finished difference Result 3842 states and 5461 transitions. [2021-11-17 13:17:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:06,555 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 13:17:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:06,571 INFO L225 Difference]: With dead ends: 3842 [2021-11-17 13:17:06,571 INFO L226 Difference]: Without dead ends: 3840 [2021-11-17 13:17:06,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:06,574 INFO L933 BasicCegarLoop]: 2495 mSDtfsCounter, 4083 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 4511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:06,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 5263 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2021-11-17 13:17:06,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-11-17 13:17:06,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2021-11-17 13:17:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3840 states, 2623 states have (on average 1.2775447960350743) internal successors, (3351), 2721 states have internal predecessors, (3351), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5459 transitions. [2021-11-17 13:17:06,711 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5459 transitions. Word has length 88 [2021-11-17 13:17:06,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:06,711 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 5459 transitions. [2021-11-17 13:17:06,711 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 13:17:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5459 transitions. [2021-11-17 13:17:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-17 13:17:06,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:06,713 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-17 13:17:06,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 13:17:06,713 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 26 more)] === [2021-11-17 13:17:06,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:06,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1211535740, now seen corresponding path program 1 times [2021-11-17 13:17:06,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:06,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759346202] [2021-11-17 13:17:06,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:06,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:17:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:17:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:17:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:17:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:17:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:17:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 13:17:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-17 13:17:06,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:06,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759346202] [2021-11-17 13:17:06,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759346202] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:17:06,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023019904] [2021-11-17 13:17:06,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:06,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:17:06,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:17:06,996 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 13:17:06,999 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 13:17:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:07,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2886 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 13:17:07,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:17:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-11-17 13:17:07,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:17:07,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023019904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:07,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:17:07,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-17 13:17:07,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942091231] [2021-11-17 13:17:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:07,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:17:07,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:07,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:17:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:17:07,905 INFO L87 Difference]: Start difference. First operand 3840 states and 5459 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:17:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:08,040 INFO L93 Difference]: Finished difference Result 7655 states and 10883 transitions. [2021-11-17 13:17:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:17:08,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 99 [2021-11-17 13:17:08,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:08,054 INFO L225 Difference]: With dead ends: 7655 [2021-11-17 13:17:08,054 INFO L226 Difference]: Without dead ends: 3834 [2021-11-17 13:17:08,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:17:08,067 INFO L933 BasicCegarLoop]: 2813 mSDtfsCounter, 2793 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2793 SdHoareTripleChecker+Valid, 2813 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 13:17:08,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2793 Valid, 2813 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:17:08,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-11-17 13:17:08,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3834. [2021-11-17 13:17:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3834 states, 2618 states have (on average 1.2765469824293354) internal successors, (3342), 2715 states have internal predecessors, (3342), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3834 states and 5450 transitions. [2021-11-17 13:17:08,180 INFO L78 Accepts]: Start accepts. Automaton has 3834 states and 5450 transitions. Word has length 99 [2021-11-17 13:17:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:08,180 INFO L470 AbstractCegarLoop]: Abstraction has 3834 states and 5450 transitions. [2021-11-17 13:17:08,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:17:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 5450 transitions. [2021-11-17 13:17:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-17 13:17:08,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:08,182 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 13:17:08,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 13:17:08,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:17:08,403 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 26 more)] === [2021-11-17 13:17:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:08,405 INFO L85 PathProgramCache]: Analyzing trace with hash 930953978, now seen corresponding path program 1 times [2021-11-17 13:17:08,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:08,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097937330] [2021-11-17 13:17:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:08,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:08,605 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 13:17:08,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:08,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097937330] [2021-11-17 13:17:08,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097937330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:08,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:08,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:08,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591567142] [2021-11-17 13:17:08,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:08,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:08,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:08,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:08,607 INFO L87 Difference]: Start difference. First operand 3834 states and 5450 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 13:17:13,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:13,612 INFO L93 Difference]: Finished difference Result 3834 states and 5450 transitions. [2021-11-17 13:17:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:13,613 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 13:17:13,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:13,663 INFO L225 Difference]: With dead ends: 3834 [2021-11-17 13:17:13,672 INFO L226 Difference]: Without dead ends: 3832 [2021-11-17 13:17:13,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:13,676 INFO L933 BasicCegarLoop]: 2488 mSDtfsCounter, 4072 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4274 SdHoareTripleChecker+Valid, 5242 SdHoareTripleChecker+Invalid, 4508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:13,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4274 Valid, 5242 Invalid, 4508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-17 13:17:13,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-11-17 13:17:13,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-11-17 13:17:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3832 states, 2617 states have (on average 1.276270538784868) internal successors, (3340), 2713 states have internal predecessors, (3340), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5448 transitions. [2021-11-17 13:17:13,824 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5448 transitions. Word has length 94 [2021-11-17 13:17:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:13,824 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5448 transitions. [2021-11-17 13:17:13,824 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 13:17:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5448 transitions. [2021-11-17 13:17:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-17 13:17:13,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:13,825 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 13:17:13,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 13:17:13,825 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 26 more)] === [2021-11-17 13:17:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:13,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1529712966, now seen corresponding path program 1 times [2021-11-17 13:17:13,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:13,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243434356] [2021-11-17 13:17:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:13,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:13,979 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 13:17:13,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:13,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243434356] [2021-11-17 13:17:13,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243434356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:13,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:13,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:13,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331138398] [2021-11-17 13:17:13,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:13,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:13,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:13,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:13,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:13,980 INFO L87 Difference]: Start difference. First operand 3832 states and 5448 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 13:17:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:18,647 INFO L93 Difference]: Finished difference Result 3832 states and 5448 transitions. [2021-11-17 13:17:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:18,647 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 13:17:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:18,657 INFO L225 Difference]: With dead ends: 3832 [2021-11-17 13:17:18,658 INFO L226 Difference]: Without dead ends: 3830 [2021-11-17 13:17:18,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:18,660 INFO L933 BasicCegarLoop]: 2486 mSDtfsCounter, 4066 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4267 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 4506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:18,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4267 Valid, 5240 Invalid, 4506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-17 13:17:18,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-11-17 13:17:18,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2021-11-17 13:17:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3830 states, 2616 states have (on average 1.275993883792049) internal successors, (3338), 2711 states have internal predecessors, (3338), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5446 transitions. [2021-11-17 13:17:18,808 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5446 transitions. Word has length 100 [2021-11-17 13:17:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:18,808 INFO L470 AbstractCegarLoop]: Abstraction has 3830 states and 5446 transitions. [2021-11-17 13:17:18,808 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 13:17:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5446 transitions. [2021-11-17 13:17:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 13:17:18,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:18,811 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 13:17:18,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 13:17:18,811 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 26 more)] === [2021-11-17 13:17:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash -537853222, now seen corresponding path program 1 times [2021-11-17 13:17:18,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:18,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823395741] [2021-11-17 13:17:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:18,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:17:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:19,070 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 13:17:19,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:19,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823395741] [2021-11-17 13:17:19,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823395741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:19,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:19,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:19,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047754785] [2021-11-17 13:17:19,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:19,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:19,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:19,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:19,072 INFO L87 Difference]: Start difference. First operand 3830 states and 5446 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 13:17:21,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:23,073 WARN L515 Checker$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 13:17:27,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:27,585 INFO L93 Difference]: Finished difference Result 3830 states and 5446 transitions. [2021-11-17 13:17:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:27,585 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 13:17:27,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:27,603 INFO L225 Difference]: With dead ends: 3830 [2021-11-17 13:17:27,603 INFO L226 Difference]: Without dead ends: 3828 [2021-11-17 13:17:27,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:27,604 INFO L933 BasicCegarLoop]: 2484 mSDtfsCounter, 4064 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 5238 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:27,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4264 Valid, 5238 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2135 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 13:17:27,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2021-11-17 13:17:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3828. [2021-11-17 13:17:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3828 states, 2615 states have (on average 1.275717017208413) internal successors, (3336), 2709 states have internal predecessors, (3336), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5444 transitions. [2021-11-17 13:17:27,742 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5444 transitions. Word has length 106 [2021-11-17 13:17:27,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:27,743 INFO L470 AbstractCegarLoop]: Abstraction has 3828 states and 5444 transitions. [2021-11-17 13:17:27,743 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 13:17:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5444 transitions. [2021-11-17 13:17:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-17 13:17:27,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:27,745 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 13:17:27,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 13:17:27,745 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 26 more)] === [2021-11-17 13:17:27,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1480736035, now seen corresponding path program 1 times [2021-11-17 13:17:27,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:27,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878611035] [2021-11-17 13:17:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:27,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:17:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:27,924 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 13:17:27,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:27,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878611035] [2021-11-17 13:17:27,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878611035] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:27,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:27,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:27,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201789179] [2021-11-17 13:17:27,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:27,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:27,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:27,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:27,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:27,926 INFO L87 Difference]: Start difference. First operand 3828 states and 5444 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 13:17:29,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:33,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:33,133 INFO L93 Difference]: Finished difference Result 3828 states and 5444 transitions. [2021-11-17 13:17:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:33,134 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 13:17:33,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:33,176 INFO L225 Difference]: With dead ends: 3828 [2021-11-17 13:17:33,176 INFO L226 Difference]: Without dead ends: 3826 [2021-11-17 13:17:33,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:33,181 INFO L933 BasicCegarLoop]: 2482 mSDtfsCounter, 4052 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4252 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 4502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:33,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4252 Valid, 5236 Invalid, 4502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-17 13:17:33,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-11-17 13:17:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-11-17 13:17:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3826 states, 2614 states have (on average 1.2754399387911246) internal successors, (3334), 2707 states have internal predecessors, (3334), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5442 transitions. [2021-11-17 13:17:33,380 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5442 transitions. Word has length 108 [2021-11-17 13:17:33,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:33,381 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5442 transitions. [2021-11-17 13:17:33,381 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 13:17:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5442 transitions. [2021-11-17 13:17:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 13:17:33,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:33,382 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 13:17:33,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 13:17:33,383 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 26 more)] === [2021-11-17 13:17:33,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:33,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1492485300, now seen corresponding path program 1 times [2021-11-17 13:17:33,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:33,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544313244] [2021-11-17 13:17:33,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:33,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:17:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:17:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:33,570 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 13:17:33,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:33,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544313244] [2021-11-17 13:17:33,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544313244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:33,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:33,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:33,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546308256] [2021-11-17 13:17:33,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:33,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:33,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:33,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:33,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:33,572 INFO L87 Difference]: Start difference. First operand 3826 states and 5442 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 13:17:36,016 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 13:17:40,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:40,121 INFO L93 Difference]: Finished difference Result 3826 states and 5442 transitions. [2021-11-17 13:17:40,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:40,122 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 13:17:40,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:40,136 INFO L225 Difference]: With dead ends: 3826 [2021-11-17 13:17:40,136 INFO L226 Difference]: Without dead ends: 3824 [2021-11-17 13:17:40,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:40,139 INFO L933 BasicCegarLoop]: 2480 mSDtfsCounter, 4048 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 5234 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:40,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4247 Valid, 5234 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2135 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 13:17:40,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-11-17 13:17:40,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2021-11-17 13:17:40,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3824 states, 2613 states have (on average 1.2751626482969767) internal successors, (3332), 2705 states have internal predecessors, (3332), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5440 transitions. [2021-11-17 13:17:40,287 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5440 transitions. Word has length 114 [2021-11-17 13:17:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:40,287 INFO L470 AbstractCegarLoop]: Abstraction has 3824 states and 5440 transitions. [2021-11-17 13:17:40,288 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 13:17:40,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5440 transitions. [2021-11-17 13:17:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-17 13:17:40,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:40,289 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 13:17:40,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 13:17:40,290 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 26 more)] === [2021-11-17 13:17:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:40,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1227002203, now seen corresponding path program 1 times [2021-11-17 13:17:40,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:40,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028306098] [2021-11-17 13:17:40,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:40,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:17:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:17:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:17:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:40,450 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 13:17:40,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:40,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028306098] [2021-11-17 13:17:40,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028306098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:40,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:40,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:40,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805134363] [2021-11-17 13:17:40,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:40,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:40,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:40,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:40,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:40,452 INFO L87 Difference]: Start difference. First operand 3824 states and 5440 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 13:17:44,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:44,700 INFO L93 Difference]: Finished difference Result 3824 states and 5440 transitions. [2021-11-17 13:17:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:44,701 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 13:17:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:44,736 INFO L225 Difference]: With dead ends: 3824 [2021-11-17 13:17:44,736 INFO L226 Difference]: Without dead ends: 3822 [2021-11-17 13:17:44,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:44,742 INFO L933 BasicCegarLoop]: 2478 mSDtfsCounter, 4042 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4240 SdHoareTripleChecker+Valid, 5232 SdHoareTripleChecker+Invalid, 4498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:44,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4240 Valid, 5232 Invalid, 4498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-17 13:17:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-11-17 13:17:44,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2021-11-17 13:17:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3822 states, 2612 states have (on average 1.274885145482389) internal successors, (3330), 2703 states have internal predecessors, (3330), 1024 states have call successors, (1024), 166 states have call predecessors, (1024), 170 states have return successors, (1084), 1004 states have call predecessors, (1084), 1022 states have call successors, (1084) [2021-11-17 13:17:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5438 transitions. [2021-11-17 13:17:44,927 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5438 transitions. Word has length 120 [2021-11-17 13:17:44,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:44,927 INFO L470 AbstractCegarLoop]: Abstraction has 3822 states and 5438 transitions. [2021-11-17 13:17:44,928 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 13:17:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5438 transitions. [2021-11-17 13:17:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-17 13:17:44,930 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:44,931 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:17:44,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 13:17:44,931 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-11-17 13:17:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2049261969, now seen corresponding path program 1 times [2021-11-17 13:17:44,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:44,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072416464] [2021-11-17 13:17:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:44,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 13:17:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:17:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:17:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 13:17:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:17:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:17:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:17:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 13:17:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-11-17 13:17:45,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:45,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072416464] [2021-11-17 13:17:45,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072416464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:45,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:45,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:17:45,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803308806] [2021-11-17 13:17:45,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:45,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:17:45,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:45,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:17:45,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:17:45,203 INFO L87 Difference]: Start difference. First operand 3822 states and 5438 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:17:47,520 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 13:17:57,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:57,958 INFO L93 Difference]: Finished difference Result 3951 states and 5643 transitions. [2021-11-17 13:17:57,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:17:57,959 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 167 [2021-11-17 13:17:57,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:57,971 INFO L225 Difference]: With dead ends: 3951 [2021-11-17 13:17:57,971 INFO L226 Difference]: Without dead ends: 3949 [2021-11-17 13:17:57,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:17:57,972 INFO L933 BasicCegarLoop]: 2472 mSDtfsCounter, 3834 mSDsluCounter, 5473 mSDsCounter, 0 mSdLazyCounter, 5177 mSolverCounterSat, 2838 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 7945 SdHoareTripleChecker+Invalid, 8016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2838 IncrementalHoareTripleChecker+Valid, 5177 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:57,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 7945 Invalid, 8016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2838 Valid, 5177 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-11-17 13:17:57,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2021-11-17 13:17:58,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3898. [2021-11-17 13:17:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3898 states, 2661 states have (on average 1.2690717775272453) internal successors, (3377), 2751 states have internal predecessors, (3377), 1030 states have call successors, (1030), 188 states have call predecessors, (1030), 192 states have return successors, (1090), 1010 states have call predecessors, (1090), 1028 states have call successors, (1090) [2021-11-17 13:17:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 5497 transitions. [2021-11-17 13:17:58,121 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 5497 transitions. Word has length 167 [2021-11-17 13:17:58,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:58,121 INFO L470 AbstractCegarLoop]: Abstraction has 3898 states and 5497 transitions. [2021-11-17 13:17:58,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:17:58,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 5497 transitions. [2021-11-17 13:17:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-17 13:17:58,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:58,123 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 13:17:58,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 13:17:58,123 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 26 more)] === [2021-11-17 13:17:58,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:58,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2142957468, now seen corresponding path program 1 times [2021-11-17 13:17:58,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:58,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340571079] [2021-11-17 13:17:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:58,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:17:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:17:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:17:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:17:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:17:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:17:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:17:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:17:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:17:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:17:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:17:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:17:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:17:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:17:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:17:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:58,315 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 13:17:58,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:58,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340571079] [2021-11-17 13:17:58,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340571079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:58,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:58,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:17:58,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801549922] [2021-11-17 13:17:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:58,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:17:58,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:58,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:17:58,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:17:58,319 INFO L87 Difference]: Start difference. First operand 3898 states and 5497 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 13:17:59,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:01,921 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 13:18:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:18:06,837 INFO L93 Difference]: Finished difference Result 3898 states and 5497 transitions. [2021-11-17 13:18:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:18:06,838 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 13:18:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:18:06,851 INFO L225 Difference]: With dead ends: 3898 [2021-11-17 13:18:06,852 INFO L226 Difference]: Without dead ends: 3896 [2021-11-17 13:18:06,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:18:06,859 INFO L933 BasicCegarLoop]: 2474 mSDtfsCounter, 4030 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2129 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:18:06,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 5228 Invalid, 4494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2129 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2021-11-17 13:18:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2021-11-17 13:18:07,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3896. [2021-11-17 13:18:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 2660 states have (on average 1.268796992481203) internal successors, (3375), 2749 states have internal predecessors, (3375), 1030 states have call successors, (1030), 188 states have call predecessors, (1030), 192 states have return successors, (1090), 1010 states have call predecessors, (1090), 1028 states have call successors, (1090) [2021-11-17 13:18:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5495 transitions. [2021-11-17 13:18:07,049 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5495 transitions. Word has length 126 [2021-11-17 13:18:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:18:07,049 INFO L470 AbstractCegarLoop]: Abstraction has 3896 states and 5495 transitions. [2021-11-17 13:18:07,049 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 13:18:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5495 transitions. [2021-11-17 13:18:07,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-17 13:18:07,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:18:07,051 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 13:18:07,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 13:18:07,051 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:18:07,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:18:07,051 INFO L85 PathProgramCache]: Analyzing trace with hash -641375875, now seen corresponding path program 1 times [2021-11-17 13:18:07,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:18:07,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34213466] [2021-11-17 13:18:07,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:18:07,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:18:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:18:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:18:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:18:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:18:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:18:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:18:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:18:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:18:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:18:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:18:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:18:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:18:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:18:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:18:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:18:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:18:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:18:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:18:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:18:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:07,247 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 13:18:07,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:18:07,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34213466] [2021-11-17 13:18:07,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34213466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:18:07,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:18:07,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:18:07,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021083240] [2021-11-17 13:18:07,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:18:07,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:18:07,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:18:07,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:18:07,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:18:07,249 INFO L87 Difference]: Start difference. First operand 3896 states and 5495 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 13:18:12,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:18:12,761 INFO L93 Difference]: Finished difference Result 3896 states and 5495 transitions. [2021-11-17 13:18:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:18:12,761 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 13:18:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:18:12,770 INFO L225 Difference]: With dead ends: 3896 [2021-11-17 13:18:12,770 INFO L226 Difference]: Without dead ends: 3894 [2021-11-17 13:18:12,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:18:12,772 INFO L933 BasicCegarLoop]: 2472 mSDtfsCounter, 4024 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4220 SdHoareTripleChecker+Valid, 5226 SdHoareTripleChecker+Invalid, 4492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:18:12,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4220 Valid, 5226 Invalid, 4492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-11-17 13:18:12,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2021-11-17 13:18:12,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3894. [2021-11-17 13:18:12,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3894 states, 2659 states have (on average 1.2685220007521625) internal successors, (3373), 2747 states have internal predecessors, (3373), 1030 states have call successors, (1030), 188 states have call predecessors, (1030), 192 states have return successors, (1090), 1010 states have call predecessors, (1090), 1028 states have call successors, (1090) [2021-11-17 13:18:12,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5493 transitions. [2021-11-17 13:18:12,965 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5493 transitions. Word has length 132 [2021-11-17 13:18:12,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:18:12,966 INFO L470 AbstractCegarLoop]: Abstraction has 3894 states and 5493 transitions. [2021-11-17 13:18:12,966 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 13:18:12,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5493 transitions. [2021-11-17 13:18:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 13:18:12,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:18:12,968 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 13:18:12,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 13:18:12,969 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:18:12,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:18:12,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1848096028, now seen corresponding path program 1 times [2021-11-17 13:18:12,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:18:12,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579804293] [2021-11-17 13:18:12,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:18:12,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:18:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:18:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:18:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:18:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:18:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:18:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:18:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:18:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:18:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:18:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:18:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:18:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:18:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:18:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:18:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:18:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:18:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:18:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:18:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:18:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:18:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:13,129 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 13:18:13,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:18:13,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579804293] [2021-11-17 13:18:13,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579804293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:18:13,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:18:13,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:18:13,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723421039] [2021-11-17 13:18:13,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:18:13,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:18:13,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:18:13,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:18:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:18:13,132 INFO L87 Difference]: Start difference. First operand 3894 states and 5493 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 13:18:15,158 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 13:18:17,199 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 13:18:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:18:21,985 INFO L93 Difference]: Finished difference Result 3894 states and 5493 transitions. [2021-11-17 13:18:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:18:21,986 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 13:18:21,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:18:21,994 INFO L225 Difference]: With dead ends: 3894 [2021-11-17 13:18:21,994 INFO L226 Difference]: Without dead ends: 3892 [2021-11-17 13:18:21,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:18:21,996 INFO L933 BasicCegarLoop]: 2470 mSDtfsCounter, 4018 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 2364 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 4490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:18:21,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4213 Valid, 5224 Invalid, 4490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2124 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-17 13:18:21,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2021-11-17 13:18:22,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3892. [2021-11-17 13:18:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 2658 states have (on average 1.2682468021068471) internal successors, (3371), 2745 states have internal predecessors, (3371), 1030 states have call successors, (1030), 188 states have call predecessors, (1030), 192 states have return successors, (1090), 1010 states have call predecessors, (1090), 1028 states have call successors, (1090) [2021-11-17 13:18:22,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5491 transitions. [2021-11-17 13:18:22,148 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5491 transitions. Word has length 138 [2021-11-17 13:18:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:18:22,149 INFO L470 AbstractCegarLoop]: Abstraction has 3892 states and 5491 transitions. [2021-11-17 13:18:22,149 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 13:18:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5491 transitions. [2021-11-17 13:18:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-17 13:18:22,150 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:18:22,151 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-17 13:18:22,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 13:18:22,151 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:18:22,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:18:22,151 INFO L85 PathProgramCache]: Analyzing trace with hash -949863955, now seen corresponding path program 1 times [2021-11-17 13:18:22,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:18:22,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693055051] [2021-11-17 13:18:22,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:18:22,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:18:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:18:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:18:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:18:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:18:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:18:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:18:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:18:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:18:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:18:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:18:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:18:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:18:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:18:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 13:18:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 13:18:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:18:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:18:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 13:18:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:18:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 13:18:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 13:18:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-17 13:18:22,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:18:22,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693055051] [2021-11-17 13:18:22,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693055051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:18:22,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:18:22,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-17 13:18:22,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520130306] [2021-11-17 13:18:22,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:18:22,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-17 13:18:22,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:18:22,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-17 13:18:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2021-11-17 13:18:22,750 INFO L87 Difference]: Start difference. First operand 3892 states and 5491 transitions. Second operand has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-17 13:18:24,774 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 13:18:26,834 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 13:19:01,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:01,788 INFO L93 Difference]: Finished difference Result 9450 states and 13608 transitions. [2021-11-17 13:19:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-17 13:19:01,789 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 157 [2021-11-17 13:19:01,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:01,806 INFO L225 Difference]: With dead ends: 9450 [2021-11-17 13:19:01,806 INFO L226 Difference]: Without dead ends: 5575 [2021-11-17 13:19:01,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=1343, Unknown=0, NotChecked=0, Total=1560 [2021-11-17 13:19:01,824 INFO L933 BasicCegarLoop]: 3761 mSDtfsCounter, 6051 mSDsluCounter, 35684 mSDsCounter, 0 mSdLazyCounter, 21584 mSolverCounterSat, 4453 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6228 SdHoareTripleChecker+Valid, 39445 SdHoareTripleChecker+Invalid, 26039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4453 IncrementalHoareTripleChecker+Valid, 21584 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:01,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6228 Valid, 39445 Invalid, 26039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4453 Valid, 21584 Invalid, 2 Unknown, 0 Unchecked, 38.1s Time] [2021-11-17 13:19:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2021-11-17 13:19:02,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 3926. [2021-11-17 13:19:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3926 states, 2682 states have (on average 1.2658463832960478) internal successors, (3395), 2769 states have internal predecessors, (3395), 1038 states have call successors, (1038), 188 states have call predecessors, (1038), 194 states have return successors, (1102), 1020 states have call predecessors, (1102), 1036 states have call successors, (1102) [2021-11-17 13:19:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5535 transitions. [2021-11-17 13:19:02,092 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 5535 transitions. Word has length 157 [2021-11-17 13:19:02,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:02,093 INFO L470 AbstractCegarLoop]: Abstraction has 3926 states and 5535 transitions. [2021-11-17 13:19:02,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.055555555555555) internal successors, (73), 13 states have internal predecessors, (73), 6 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-17 13:19:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 5535 transitions. [2021-11-17 13:19:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-17 13:19:02,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:02,095 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 13:19:02,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 13:19:02,095 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 26 more)] === [2021-11-17 13:19:02,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:02,095 INFO L85 PathProgramCache]: Analyzing trace with hash -2098317739, now seen corresponding path program 1 times [2021-11-17 13:19:02,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:02,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666194227] [2021-11-17 13:19:02,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:02,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:19:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:19:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:19:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:19:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:19:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:19:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:19:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:19:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:19:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:19:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:19:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:19:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:19:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:19:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:19:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:19:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:19:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:19:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:19:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:19:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:02,256 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 13:19:02,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:02,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666194227] [2021-11-17 13:19:02,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666194227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:02,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:02,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:19:02,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723843856] [2021-11-17 13:19:02,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:02,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:19:02,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:02,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:19:02,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:19:02,259 INFO L87 Difference]: Start difference. First operand 3926 states and 5535 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 13:19:07,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:07,621 INFO L93 Difference]: Finished difference Result 3926 states and 5535 transitions. [2021-11-17 13:19:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:19:07,622 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 13:19:07,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:07,632 INFO L225 Difference]: With dead ends: 3926 [2021-11-17 13:19:07,632 INFO L226 Difference]: Without dead ends: 3924 [2021-11-17 13:19:07,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:19:07,636 INFO L933 BasicCegarLoop]: 2468 mSDtfsCounter, 4012 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4206 SdHoareTripleChecker+Valid, 5222 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:07,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4206 Valid, 5222 Invalid, 4488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-17 13:19:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2021-11-17 13:19:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3924. [2021-11-17 13:19:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 2681 states have (on average 1.2655725475568818) internal successors, (3393), 2767 states have internal predecessors, (3393), 1038 states have call successors, (1038), 188 states have call predecessors, (1038), 194 states have return successors, (1102), 1020 states have call predecessors, (1102), 1036 states have call successors, (1102) [2021-11-17 13:19:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5533 transitions. [2021-11-17 13:19:07,834 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5533 transitions. Word has length 144 [2021-11-17 13:19:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:07,834 INFO L470 AbstractCegarLoop]: Abstraction has 3924 states and 5533 transitions. [2021-11-17 13:19:07,834 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 13:19:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5533 transitions. [2021-11-17 13:19:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-17 13:19:07,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:07,836 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-11-17 13:19:07,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 13:19:07,837 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:19:07,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash -632400101, now seen corresponding path program 1 times [2021-11-17 13:19:07,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:07,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393065250] [2021-11-17 13:19:07,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:07,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:19:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:19:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:19:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:19:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:19:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:19:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:19:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:19:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 13:19:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:19:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 13:19:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 13:19:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 13:19:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:19:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 13:19:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 13:19:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-17 13:19:08,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:08,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393065250] [2021-11-17 13:19:08,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393065250] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:19:08,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425201467] [2021-11-17 13:19:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:08,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:19:08,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:19:08,368 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 13:19:08,383 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 13:19:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:09,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 3134 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 13:19:09,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:19:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-17 13:19:09,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:19:09,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425201467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:09,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:19:09,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [13] total 25 [2021-11-17 13:19:09,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897947018] [2021-11-17 13:19:09,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:09,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:19:09,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:09,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:19:09,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2021-11-17 13:19:09,562 INFO L87 Difference]: Start difference. First operand 3924 states and 5533 transitions. Second operand has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-17 13:19:10,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:10,998 INFO L93 Difference]: Finished difference Result 8967 states and 12769 transitions. [2021-11-17 13:19:10,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-17 13:19:10,998 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 159 [2021-11-17 13:19:10,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:11,009 INFO L225 Difference]: With dead ends: 8967 [2021-11-17 13:19:11,009 INFO L226 Difference]: Without dead ends: 5060 [2021-11-17 13:19:11,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=1133, Unknown=0, NotChecked=0, Total=1260 [2021-11-17 13:19:11,020 INFO L933 BasicCegarLoop]: 3607 mSDtfsCounter, 2986 mSDsluCounter, 46481 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 1078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2991 SdHoareTripleChecker+Valid, 50088 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1078 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:11,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2991 Valid, 50088 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1078 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-17 13:19:11,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2021-11-17 13:19:11,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 3942. [2021-11-17 13:19:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3942 states, 2692 states have (on average 1.264487369985141) internal successors, (3404), 2780 states have internal predecessors, (3404), 1044 states have call successors, (1044), 188 states have call predecessors, (1044), 195 states have return successors, (1112), 1025 states have call predecessors, (1112), 1042 states have call successors, (1112) [2021-11-17 13:19:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 5560 transitions. [2021-11-17 13:19:11,227 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 5560 transitions. Word has length 159 [2021-11-17 13:19:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:11,227 INFO L470 AbstractCegarLoop]: Abstraction has 3942 states and 5560 transitions. [2021-11-17 13:19:11,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 14 states have internal predecessors, (77), 6 states have call successors, (23), 2 states have call predecessors, (23), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-17 13:19:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 5560 transitions. [2021-11-17 13:19:11,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-17 13:19:11,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:11,230 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 13:19:11,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 13:19:11,452 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,SelfDestructingSolverStorable19 [2021-11-17 13:19:11,453 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 26 more)] === [2021-11-17 13:19:11,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:11,453 INFO L85 PathProgramCache]: Analyzing trace with hash 25967387, now seen corresponding path program 1 times [2021-11-17 13:19:11,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:11,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445829227] [2021-11-17 13:19:11,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:11,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:19:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:19:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:19:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:19:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:19:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:19:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:19:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:19:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:19:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:19:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:19:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:19:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:19:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:19:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:19:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:19:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:19:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:19:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:19:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:19:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:19:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:11,700 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 13:19:11,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:11,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445829227] [2021-11-17 13:19:11,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445829227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:11,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:11,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:19:11,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270244070] [2021-11-17 13:19:11,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:11,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:19:11,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:11,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:19:11,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:19:11,703 INFO L87 Difference]: Start difference. First operand 3942 states and 5560 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 13:19:13,729 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 13:19:15,779 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 13:19:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:20,649 INFO L93 Difference]: Finished difference Result 3942 states and 5560 transitions. [2021-11-17 13:19:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:19:20,649 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 13:19:20,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:20,657 INFO L225 Difference]: With dead ends: 3942 [2021-11-17 13:19:20,657 INFO L226 Difference]: Without dead ends: 3940 [2021-11-17 13:19:20,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:19:20,659 INFO L933 BasicCegarLoop]: 2466 mSDtfsCounter, 4006 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 2364 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4199 SdHoareTripleChecker+Valid, 5220 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:20,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4199 Valid, 5220 Invalid, 4486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2120 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-17 13:19:20,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2021-11-17 13:19:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3940. [2021-11-17 13:19:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3940 states, 2691 states have (on average 1.2642140468227425) internal successors, (3402), 2778 states have internal predecessors, (3402), 1044 states have call successors, (1044), 188 states have call predecessors, (1044), 195 states have return successors, (1112), 1025 states have call predecessors, (1112), 1042 states have call successors, (1112) [2021-11-17 13:19:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 5558 transitions. [2021-11-17 13:19:20,888 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 5558 transitions. Word has length 150 [2021-11-17 13:19:20,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:20,889 INFO L470 AbstractCegarLoop]: Abstraction has 3940 states and 5558 transitions. [2021-11-17 13:19:20,889 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 13:19:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 5558 transitions. [2021-11-17 13:19:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-17 13:19:20,892 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:20,892 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 13:19:20,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 13:19:20,892 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 26 more)] === [2021-11-17 13:19:20,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:20,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1053300931, now seen corresponding path program 1 times [2021-11-17 13:19:20,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:20,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289785519] [2021-11-17 13:19:20,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:20,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:20,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:19:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:19:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:19:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:19:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:19:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:19:21,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:19:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:19:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:19:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:19:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:19:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:19:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:19:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:19:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:19:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:19:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:19:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:19:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:19:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:19:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:19:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:19:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:21,123 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 13:19:21,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:21,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289785519] [2021-11-17 13:19:21,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289785519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:21,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:21,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:19:21,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589755844] [2021-11-17 13:19:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:21,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:19:21,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:21,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:19:21,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:19:21,126 INFO L87 Difference]: Start difference. First operand 3940 states and 5558 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 13:19:23,514 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 13:19:28,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:28,021 INFO L93 Difference]: Finished difference Result 3940 states and 5558 transitions. [2021-11-17 13:19:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:19:28,023 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 13:19:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:28,032 INFO L225 Difference]: With dead ends: 3940 [2021-11-17 13:19:28,032 INFO L226 Difference]: Without dead ends: 3938 [2021-11-17 13:19:28,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:19:28,034 INFO L933 BasicCegarLoop]: 2464 mSDtfsCounter, 4000 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 5218 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:28,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4192 Valid, 5218 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2119 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2021-11-17 13:19:28,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2021-11-17 13:19:28,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3938. [2021-11-17 13:19:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3938 states, 2690 states have (on average 1.2639405204460967) internal successors, (3400), 2776 states have internal predecessors, (3400), 1044 states have call successors, (1044), 188 states have call predecessors, (1044), 195 states have return successors, (1112), 1025 states have call predecessors, (1112), 1042 states have call successors, (1112) [2021-11-17 13:19:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5556 transitions. [2021-11-17 13:19:28,266 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5556 transitions. Word has length 156 [2021-11-17 13:19:28,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:28,266 INFO L470 AbstractCegarLoop]: Abstraction has 3938 states and 5556 transitions. [2021-11-17 13:19:28,266 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 13:19:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5556 transitions. [2021-11-17 13:19:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-17 13:19:28,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:28,268 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 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] [2021-11-17 13:19:28,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 13:19:28,269 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:19:28,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1774312563, now seen corresponding path program 1 times [2021-11-17 13:19:28,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:28,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335819365] [2021-11-17 13:19:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:28,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:19:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:19:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:19:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:19:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:19:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:19:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:19:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:19:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 13:19:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:19:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 13:19:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 13:19:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 13:19:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 13:19:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-17 13:19:28,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:28,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335819365] [2021-11-17 13:19:28,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335819365] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:19:28,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311387893] [2021-11-17 13:19:28,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:28,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:19:28,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:19:28,560 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 13:19:28,561 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 13:19:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 3353 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-17 13:19:29,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:19:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-11-17 13:19:29,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:19:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-11-17 13:19:30,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311387893] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:19:30,297 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:19:30,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 18 [2021-11-17 13:19:30,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727672594] [2021-11-17 13:19:30,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:19:30,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-17 13:19:30,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:30,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-17 13:19:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-11-17 13:19:30,298 INFO L87 Difference]: Start difference. First operand 3938 states and 5556 transitions. Second operand has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 9 states have internal predecessors, (107), 4 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (37), 9 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-17 13:19:32,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:34,518 WARN L515 Checker$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 13:20:08,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:08,943 INFO L93 Difference]: Finished difference Result 7946 states and 11363 transitions. [2021-11-17 13:20:08,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-17 13:20:08,944 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 9 states have internal predecessors, (107), 4 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (37), 9 states have call predecessors, (37), 4 states have call successors, (37) Word has length 200 [2021-11-17 13:20:08,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:08,964 INFO L225 Difference]: With dead ends: 7946 [2021-11-17 13:20:08,965 INFO L226 Difference]: Without dead ends: 4027 [2021-11-17 13:20:08,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 460 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2021-11-17 13:20:08,978 INFO L933 BasicCegarLoop]: 2458 mSDtfsCounter, 2687 mSDsluCounter, 14106 mSDsCounter, 0 mSdLazyCounter, 13683 mSolverCounterSat, 2512 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2687 SdHoareTripleChecker+Valid, 16564 SdHoareTripleChecker+Invalid, 16197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2512 IncrementalHoareTripleChecker+Valid, 13683 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:08,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2687 Valid, 16564 Invalid, 16197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2512 Valid, 13683 Invalid, 2 Unknown, 0 Unchecked, 37.8s Time] [2021-11-17 13:20:08,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2021-11-17 13:20:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 3959. [2021-11-17 13:20:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3959 states, 2704 states have (on average 1.2625739644970415) internal successors, (3414), 2789 states have internal predecessors, (3414), 1048 states have call successors, (1048), 188 states have call predecessors, (1048), 198 states have return successors, (1133), 1033 states have call predecessors, (1133), 1046 states have call successors, (1133) [2021-11-17 13:20:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5595 transitions. [2021-11-17 13:20:09,230 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5595 transitions. Word has length 200 [2021-11-17 13:20:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:09,230 INFO L470 AbstractCegarLoop]: Abstraction has 3959 states and 5595 transitions. [2021-11-17 13:20:09,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 9 states have internal predecessors, (107), 4 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (37), 9 states have call predecessors, (37), 4 states have call successors, (37) [2021-11-17 13:20:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5595 transitions. [2021-11-17 13:20:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-17 13:20:09,232 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:09,232 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 13:20:09,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-17 13:20:09,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:20:09,446 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 26 more)] === [2021-11-17 13:20:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:09,447 INFO L85 PathProgramCache]: Analyzing trace with hash 983843933, now seen corresponding path program 1 times [2021-11-17 13:20:09,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:09,447 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582776623] [2021-11-17 13:20:09,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:09,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:20:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:20:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:20:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:20:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:20:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:20:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:20:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:20:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:20:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:20:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:20:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:20:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:20:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:20:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:20:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:20:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:20:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:20:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:20:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:20:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:20:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:20:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:20:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:09,617 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 13:20:09,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:09,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582776623] [2021-11-17 13:20:09,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582776623] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:09,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:20:09,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:20:09,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376116786] [2021-11-17 13:20:09,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:09,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:20:09,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:09,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:20:09,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:20:09,619 INFO L87 Difference]: Start difference. First operand 3959 states and 5595 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 13:20:15,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:15,131 INFO L93 Difference]: Finished difference Result 3959 states and 5595 transitions. [2021-11-17 13:20:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:20:15,132 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 13:20:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:15,144 INFO L225 Difference]: With dead ends: 3959 [2021-11-17 13:20:15,144 INFO L226 Difference]: Without dead ends: 3957 [2021-11-17 13:20:15,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:20:15,148 INFO L933 BasicCegarLoop]: 2462 mSDtfsCounter, 3994 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 5216 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:15,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4185 Valid, 5216 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-11-17 13:20:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2021-11-17 13:20:15,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3957. [2021-11-17 13:20:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 2703 states have (on average 1.2623011468738439) internal successors, (3412), 2787 states have internal predecessors, (3412), 1048 states have call successors, (1048), 188 states have call predecessors, (1048), 198 states have return successors, (1133), 1033 states have call predecessors, (1133), 1046 states have call successors, (1133) [2021-11-17 13:20:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5593 transitions. [2021-11-17 13:20:15,416 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5593 transitions. Word has length 162 [2021-11-17 13:20:15,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:15,416 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5593 transitions. [2021-11-17 13:20:15,417 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 13:20:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5593 transitions. [2021-11-17 13:20:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-17 13:20:15,419 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:15,419 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 13:20:15,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 13:20:15,420 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 26 more)] === [2021-11-17 13:20:15,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:15,420 INFO L85 PathProgramCache]: Analyzing trace with hash -308015656, now seen corresponding path program 1 times [2021-11-17 13:20:15,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:15,420 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978023052] [2021-11-17 13:20:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:15,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:20:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:20:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:20:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:20:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:20:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:20:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:20:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:20:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:20:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:20:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:20:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:20:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:20:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:20:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:20:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:20:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:20:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:20:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:20:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:20:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:20:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:20:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:20:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:20:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:15,613 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 13:20:15,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:15,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978023052] [2021-11-17 13:20:15,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978023052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:15,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:20:15,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:20:15,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622120778] [2021-11-17 13:20:15,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:15,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:20:15,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:20:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:20:15,615 INFO L87 Difference]: Start difference. First operand 3957 states and 5593 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 13:20:17,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:19,242 WARN L515 Checker$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 13:20:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:24,689 INFO L93 Difference]: Finished difference Result 3957 states and 5593 transitions. [2021-11-17 13:20:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:20:24,690 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 13:20:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:24,700 INFO L225 Difference]: With dead ends: 3957 [2021-11-17 13:20:24,700 INFO L226 Difference]: Without dead ends: 3955 [2021-11-17 13:20:24,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:20:24,706 INFO L933 BasicCegarLoop]: 2460 mSDtfsCounter, 3988 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2115 mSolverCounterSat, 2364 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4178 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 4480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:24,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4178 Valid, 5214 Invalid, 4480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2115 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-11-17 13:20:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2021-11-17 13:20:24,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3955. [2021-11-17 13:20:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 2702 states have (on average 1.2620281273131013) internal successors, (3410), 2785 states have internal predecessors, (3410), 1048 states have call successors, (1048), 188 states have call predecessors, (1048), 198 states have return successors, (1133), 1033 states have call predecessors, (1133), 1046 states have call successors, (1133) [2021-11-17 13:20:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5591 transitions. [2021-11-17 13:20:24,970 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5591 transitions. Word has length 168 [2021-11-17 13:20:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:24,971 INFO L470 AbstractCegarLoop]: Abstraction has 3955 states and 5591 transitions. [2021-11-17 13:20:24,971 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 13:20:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5591 transitions. [2021-11-17 13:20:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-17 13:20:24,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:24,973 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 8, 8, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:24,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 13:20:24,973 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:20:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1498156997, now seen corresponding path program 1 times [2021-11-17 13:20:24,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:24,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667927075] [2021-11-17 13:20:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:24,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:20:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:20:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:20:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:20:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:20:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:20:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:20:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:20:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:20:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:20:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:20:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:20:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:20:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 13:20:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 13:20:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 13:20:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-11-17 13:20:25,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:25,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667927075] [2021-11-17 13:20:25,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667927075] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:20:25,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922324539] [2021-11-17 13:20:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:25,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:20:25,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:20:25,423 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 13:20:25,424 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 13:20:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:26,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 3497 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-17 13:20:26,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:20:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-11-17 13:20:26,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:20:26,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922324539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:26,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:20:26,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 11 [2021-11-17 13:20:26,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269606222] [2021-11-17 13:20:26,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:26,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:20:26,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:26,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:20:26,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:20:26,691 INFO L87 Difference]: Start difference. First operand 3955 states and 5591 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:20:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:26,977 INFO L93 Difference]: Finished difference Result 7907 states and 11252 transitions. [2021-11-17 13:20:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:20:26,979 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 248 [2021-11-17 13:20:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:26,993 INFO L225 Difference]: With dead ends: 7907 [2021-11-17 13:20:26,993 INFO L226 Difference]: Without dead ends: 3971 [2021-11-17 13:20:27,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:20:27,006 INFO L933 BasicCegarLoop]: 2785 mSDtfsCounter, 3 mSDsluCounter, 13919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16704 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:27,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 16704 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:20:27,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3971 states. [2021-11-17 13:20:27,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3971 to 3968. [2021-11-17 13:20:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 2712 states have (on average 1.261061946902655) internal successors, (3420), 2794 states have internal predecessors, (3420), 1048 states have call successors, (1048), 188 states have call predecessors, (1048), 201 states have return successors, (1139), 1037 states have call predecessors, (1139), 1046 states have call successors, (1139) [2021-11-17 13:20:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5607 transitions. [2021-11-17 13:20:27,278 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5607 transitions. Word has length 248 [2021-11-17 13:20:27,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:27,279 INFO L470 AbstractCegarLoop]: Abstraction has 3968 states and 5607 transitions. [2021-11-17 13:20:27,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:20:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5607 transitions. [2021-11-17 13:20:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-17 13:20:27,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:27,281 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 13:20:27,307 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 13:20:27,504 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,SelfDestructingSolverStorable25 [2021-11-17 13:20:27,505 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 26 more)] === [2021-11-17 13:20:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:27,505 INFO L85 PathProgramCache]: Analyzing trace with hash 737488357, now seen corresponding path program 1 times [2021-11-17 13:20:27,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:27,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235155697] [2021-11-17 13:20:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:27,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:20:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:20:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:20:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:20:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:20:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:20:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:20:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:20:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:20:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:20:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:20:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:20:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:20:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:20:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:20:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:20:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:20:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:20:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:20:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:20:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:20:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:20:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:20:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:20:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:20:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:27,686 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 13:20:27,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:27,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235155697] [2021-11-17 13:20:27,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235155697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:27,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:20:27,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:20:27,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007579226] [2021-11-17 13:20:27,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:27,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:20:27,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:27,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:20:27,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:20:27,688 INFO L87 Difference]: Start difference. First operand 3968 states and 5607 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 13:20:28,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:30,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:36,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:36,342 INFO L93 Difference]: Finished difference Result 3968 states and 5607 transitions. [2021-11-17 13:20:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:20:36,342 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 13:20:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:36,350 INFO L225 Difference]: With dead ends: 3968 [2021-11-17 13:20:36,350 INFO L226 Difference]: Without dead ends: 3966 [2021-11-17 13:20:36,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:20:36,352 INFO L933 BasicCegarLoop]: 2458 mSDtfsCounter, 3982 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4171 SdHoareTripleChecker+Valid, 5212 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:36,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4171 Valid, 5212 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 13:20:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2021-11-17 13:20:36,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3966. [2021-11-17 13:20:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3966 states, 2711 states have (on average 1.2607893766137956) internal successors, (3418), 2792 states have internal predecessors, (3418), 1048 states have call successors, (1048), 188 states have call predecessors, (1048), 201 states have return successors, (1139), 1037 states have call predecessors, (1139), 1046 states have call successors, (1139) [2021-11-17 13:20:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 5605 transitions. [2021-11-17 13:20:36,561 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 5605 transitions. Word has length 174 [2021-11-17 13:20:36,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:36,561 INFO L470 AbstractCegarLoop]: Abstraction has 3966 states and 5605 transitions. [2021-11-17 13:20:36,562 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 13:20:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 5605 transitions. [2021-11-17 13:20:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-17 13:20:36,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:36,564 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 13:20:36,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-17 13:20:36,564 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:20:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1569809619, now seen corresponding path program 2 times [2021-11-17 13:20:36,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:36,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145875470] [2021-11-17 13:20:36,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:36,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:20:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:20:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:20:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:20:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:20:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:20:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:20:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:20:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:20:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:20:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:20:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:20:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:20:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:20:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:20:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:20:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 13:20:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:20:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 13:20:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2021-11-17 13:20:37,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:37,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145875470] [2021-11-17 13:20:37,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145875470] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:20:37,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277310390] [2021-11-17 13:20:37,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 13:20:37,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:20:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:20:37,029 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 13:20:37,030 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 13:21:27,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 13:21:27,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:21:27,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 3545 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-17 13:21:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:21:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2021-11-17 13:21:27,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:21:27,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277310390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:21:27,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:21:27,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 13 [2021-11-17 13:21:27,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573354770] [2021-11-17 13:21:27,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:21:27,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:21:27,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:21:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:21:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-11-17 13:21:27,637 INFO L87 Difference]: Start difference. First operand 3966 states and 5605 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:21:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:21:28,066 INFO L93 Difference]: Finished difference Result 7934 states and 11291 transitions. [2021-11-17 13:21:28,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:21:28,132 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2021-11-17 13:21:28,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:21:28,148 INFO L225 Difference]: With dead ends: 7934 [2021-11-17 13:21:28,149 INFO L226 Difference]: Without dead ends: 3987 [2021-11-17 13:21:28,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 352 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:21:28,164 INFO L933 BasicCegarLoop]: 2782 mSDtfsCounter, 10 mSDsluCounter, 19461 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22243 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:21:28,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 22243 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:21:28,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2021-11-17 13:21:28,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3978. [2021-11-17 13:21:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3978 states, 2721 states have (on average 1.2594634325615583) internal successors, (3427), 2800 states have internal predecessors, (3427), 1049 states have call successors, (1049), 188 states have call predecessors, (1049), 202 states have return successors, (1142), 1041 states have call predecessors, (1142), 1047 states have call successors, (1142) [2021-11-17 13:21:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 5618 transitions. [2021-11-17 13:21:28,440 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 5618 transitions. Word has length 264 [2021-11-17 13:21:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:21:28,441 INFO L470 AbstractCegarLoop]: Abstraction has 3978 states and 5618 transitions. [2021-11-17 13:21:28,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:21:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 5618 transitions. [2021-11-17 13:21:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-17 13:21:28,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:21:28,443 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 13:21:28,492 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 13:21:28,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-17 13:21:28,650 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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 26 more)] === [2021-11-17 13:21:28,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:21:28,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1976227173, now seen corresponding path program 1 times [2021-11-17 13:21:28,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:21:28,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881056354] [2021-11-17 13:21:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:21:28,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:21:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:21:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:21:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:21:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:21:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:21:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:21:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:21:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:21:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 13:21:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 13:21:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 13:21:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 13:21:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:21:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:21:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 13:21:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:21:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:21:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 13:21:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:21:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:21:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 13:21:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:21:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 13:21:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:21:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 13:21:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-17 13:21:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 13:21:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:28,806 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 13:21:28,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:21:28,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881056354] [2021-11-17 13:21:28,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881056354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:21:28,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:21:28,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:21:28,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404271851] [2021-11-17 13:21:28,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:21:28,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:21:28,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:21:28,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:21:28,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:21:28,808 INFO L87 Difference]: Start difference. First operand 3978 states and 5618 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 13:21:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:21:34,291 INFO L93 Difference]: Finished difference Result 3978 states and 5618 transitions. [2021-11-17 13:21:34,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:21:34,291 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 13:21:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:21:34,299 INFO L225 Difference]: With dead ends: 3978 [2021-11-17 13:21:34,299 INFO L226 Difference]: Without dead ends: 3749 [2021-11-17 13:21:34,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:21:34,301 INFO L933 BasicCegarLoop]: 2457 mSDtfsCounter, 3973 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4161 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 4478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:21:34,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4161 Valid, 5211 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-11-17 13:21:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2021-11-17 13:21:34,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 3749. [2021-11-17 13:21:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3749 states, 2583 states have (on average 1.2694541231126597) internal successors, (3279), 2655 states have internal predecessors, (3279), 980 states have call successors, (980), 167 states have call predecessors, (980), 181 states have return successors, (1073), 976 states have call predecessors, (1073), 978 states have call successors, (1073) [2021-11-17 13:21:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 3749 states and 5332 transitions. [2021-11-17 13:21:34,542 INFO L78 Accepts]: Start accepts. Automaton has 3749 states and 5332 transitions. Word has length 180 [2021-11-17 13:21:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:21:34,542 INFO L470 AbstractCegarLoop]: Abstraction has 3749 states and 5332 transitions. [2021-11-17 13:21:34,542 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 13:21:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 5332 transitions. [2021-11-17 13:21:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-17 13:21:34,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:21:34,561 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 8, 8, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-11-17 13:21:34,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 13:21:34,562 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:21:34,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:21:34,562 INFO L85 PathProgramCache]: Analyzing trace with hash 427759979, now seen corresponding path program 3 times [2021-11-17 13:21:34,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:21:34,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195472019] [2021-11-17 13:21:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:21:34,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:21:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:21:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:21:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:21:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:21:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:21:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:21:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:21:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:21:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:21:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:21:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:21:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:21:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:21:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:21:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:21:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:21:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 13:21:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:21:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 13:21:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2021-11-17 13:21:35,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:21:35,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195472019] [2021-11-17 13:21:35,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195472019] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:21:35,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710304004] [2021-11-17 13:21:35,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 13:21:35,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:21:35,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:21:35,160 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 13:21:35,164 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 13:21:36,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-17 13:21:36,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:21:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-17 13:21:36,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:21:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2021-11-17 13:21:37,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:21:37,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710304004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:21:37,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:21:37,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 18 [2021-11-17 13:21:37,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702177004] [2021-11-17 13:21:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:21:37,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:21:37,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:21:37,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:21:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2021-11-17 13:21:37,798 INFO L87 Difference]: Start difference. First operand 3749 states and 5332 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:21:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:21:38,247 INFO L93 Difference]: Finished difference Result 7452 states and 10670 transitions. [2021-11-17 13:21:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:21:38,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) Word has length 280 [2021-11-17 13:21:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:21:38,256 INFO L225 Difference]: With dead ends: 7452 [2021-11-17 13:21:38,257 INFO L226 Difference]: Without dead ends: 3722 [2021-11-17 13:21:38,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-11-17 13:21:38,276 INFO L933 BasicCegarLoop]: 2628 mSDtfsCounter, 7 mSDsluCounter, 10502 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:21:38,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 13130 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:21:38,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3722 states. [2021-11-17 13:21:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3722 to 3705. [2021-11-17 13:21:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2552 states have (on average 1.2688087774294672) internal successors, (3238), 2620 states have internal predecessors, (3238), 969 states have call successors, (969), 165 states have call predecessors, (969), 179 states have return successors, (1058), 968 states have call predecessors, (1058), 967 states have call successors, (1058) [2021-11-17 13:21:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 5265 transitions. [2021-11-17 13:21:38,506 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 5265 transitions. Word has length 280 [2021-11-17 13:21:38,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:21:38,506 INFO L470 AbstractCegarLoop]: Abstraction has 3705 states and 5265 transitions. [2021-11-17 13:21:38,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (27), 3 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 13:21:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 5265 transitions. [2021-11-17 13:21:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-17 13:21:38,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:21:38,523 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 13:21:38,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 13:21:38,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:21:38,735 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:21:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:21:38,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1393272853, now seen corresponding path program 1 times [2021-11-17 13:21:38,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:21:38,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026373701] [2021-11-17 13:21:38,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:21:38,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:21:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:21:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:21:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:21:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:21:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:21:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:21:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:21:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:21:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:21:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:21:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:21:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:21:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:21:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:21:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:21:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:21:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 13:21:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 13:21:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:21:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:21:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:21:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 13:21:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:21:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:21:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2021-11-17 13:21:39,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:21:39,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026373701] [2021-11-17 13:21:39,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026373701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:21:39,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:21:39,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 13:21:39,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508810343] [2021-11-17 13:21:39,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:21:39,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 13:21:39,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:21:39,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 13:21:39,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:21:39,033 INFO L87 Difference]: Start difference. First operand 3705 states and 5265 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-17 13:21:41,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:43,139 WARN L515 Checker$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 13:21:45,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:47,240 WARN L515 Checker$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 13:22:18,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:18,164 INFO L93 Difference]: Finished difference Result 5760 states and 8363 transitions. [2021-11-17 13:22:18,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-17 13:22:18,164 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 264 [2021-11-17 13:22:18,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:18,179 INFO L225 Difference]: With dead ends: 5760 [2021-11-17 13:22:18,180 INFO L226 Difference]: Without dead ends: 5758 [2021-11-17 13:22:18,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2021-11-17 13:22:18,181 INFO L933 BasicCegarLoop]: 4527 mSDtfsCounter, 9514 mSDsluCounter, 10823 mSDsCounter, 0 mSdLazyCounter, 17160 mSolverCounterSat, 8464 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9780 SdHoareTripleChecker+Valid, 15350 SdHoareTripleChecker+Invalid, 25628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8464 IncrementalHoareTripleChecker+Valid, 17160 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:18,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9780 Valid, 15350 Invalid, 25628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8464 Valid, 17160 Invalid, 4 Unknown, 0 Unchecked, 38.0s Time] [2021-11-17 13:22:18,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2021-11-17 13:22:18,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 5637. [2021-11-17 13:22:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5637 states, 3882 states have (on average 1.2691911385883565) internal successors, (4927), 3988 states have internal predecessors, (4927), 1477 states have call successors, (1477), 249 states have call predecessors, (1477), 273 states have return successors, (1710), 1474 states have call predecessors, (1710), 1475 states have call successors, (1710) [2021-11-17 13:22:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5637 states to 5637 states and 8114 transitions. [2021-11-17 13:22:18,513 INFO L78 Accepts]: Start accepts. Automaton has 5637 states and 8114 transitions. Word has length 264 [2021-11-17 13:22:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:18,514 INFO L470 AbstractCegarLoop]: Abstraction has 5637 states and 8114 transitions. [2021-11-17 13:22:18,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 7 states have internal predecessors, (71), 4 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-11-17 13:22:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5637 states and 8114 transitions. [2021-11-17 13:22:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-17 13:22:18,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:18,516 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 8, 8, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:22:18,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-17 13:22:18,517 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:22:18,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:18,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1409107516, now seen corresponding path program 1 times [2021-11-17 13:22:18,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:18,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056833496] [2021-11-17 13:22:18,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:18,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:22:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:22:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:22:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:22:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:22:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:22:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:22:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:22:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:22:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 13:22:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:22:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:22:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-17 13:22:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 13:22:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 13:22:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 13:22:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 13:22:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 13:22:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 13:22:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:22:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2021-11-17 13:22:19,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:19,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056833496] [2021-11-17 13:22:19,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056833496] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:22:19,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584066823] [2021-11-17 13:22:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:19,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:19,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:22:19,069 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 13:22:19,099 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 13:22:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:19,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 3577 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 13:22:19,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:22:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-11-17 13:22:20,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:22:20,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584066823] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:22:20,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:22:20,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [13] total 25 [2021-11-17 13:22:20,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169011617] [2021-11-17 13:22:20,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:22:20,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:22:20,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:22:20,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:22:20,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2021-11-17 13:22:20,542 INFO L87 Difference]: Start difference. First operand 5637 states and 8114 transitions. Second operand has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-17 13:22:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:22,028 INFO L93 Difference]: Finished difference Result 12798 states and 18545 transitions. [2021-11-17 13:22:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-17 13:22:22,028 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 274 [2021-11-17 13:22:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:22,043 INFO L225 Difference]: With dead ends: 12798 [2021-11-17 13:22:22,043 INFO L226 Difference]: Without dead ends: 7177 [2021-11-17 13:22:22,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=127, Invalid=1133, Unknown=0, NotChecked=0, Total=1260 [2021-11-17 13:22:22,055 INFO L933 BasicCegarLoop]: 3266 mSDtfsCounter, 2986 mSDsluCounter, 42333 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2991 SdHoareTripleChecker+Valid, 45599 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:22,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2991 Valid, 45599 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [852 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-17 13:22:22,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7177 states. [2021-11-17 13:22:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7177 to 5639. [2021-11-17 13:22:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5639 states, 3883 states have (on average 1.2691218130311614) internal successors, (4928), 3990 states have internal predecessors, (4928), 1478 states have call successors, (1478), 249 states have call predecessors, (1478), 273 states have return successors, (1711), 1474 states have call predecessors, (1711), 1476 states have call successors, (1711) [2021-11-17 13:22:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 5639 states and 8117 transitions. [2021-11-17 13:22:22,436 INFO L78 Accepts]: Start accepts. Automaton has 5639 states and 8117 transitions. Word has length 274 [2021-11-17 13:22:22,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:22,437 INFO L470 AbstractCegarLoop]: Abstraction has 5639 states and 8117 transitions. [2021-11-17 13:22:22,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.466666666666667) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-17 13:22:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5639 states and 8117 transitions. [2021-11-17 13:22:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-17 13:22:22,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:22,439 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:22:22,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-17 13:22:22,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:22,662 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:22:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:22,662 INFO L85 PathProgramCache]: Analyzing trace with hash -789293618, now seen corresponding path program 1 times [2021-11-17 13:22:22,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:22,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176237777] [2021-11-17 13:22:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:22,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:22:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:22:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:22:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:22:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:22:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:22:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:22:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 13:22:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:22:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:22:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 13:22:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:22:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:22:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 13:22:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 13:22:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:22:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:22:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:22:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 13:22:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:22:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:22:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:22:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:22:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:22:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2021-11-17 13:22:22,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:22,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176237777] [2021-11-17 13:22:22,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176237777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:22:22,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:22:22,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:22:22,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107840991] [2021-11-17 13:22:22,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:22:22,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:22:22,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:22:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:22:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:22:22,987 INFO L87 Difference]: Start difference. First operand 5639 states and 8117 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (43), 7 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 13:22:25,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:27,069 WARN L515 Checker$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 13:22:29,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:31,195 WARN L515 Checker$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 13:22:33,257 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 13:22:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:48,443 INFO L93 Difference]: Finished difference Result 5727 states and 8462 transitions. [2021-11-17 13:22:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 13:22:48,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (43), 7 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 3 states have call successors, (39) Word has length 317 [2021-11-17 13:22:48,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:48,465 INFO L225 Difference]: With dead ends: 5727 [2021-11-17 13:22:48,466 INFO L226 Difference]: Without dead ends: 5725 [2021-11-17 13:22:48,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2021-11-17 13:22:48,470 INFO L933 BasicCegarLoop]: 2269 mSDtfsCounter, 3913 mSDsluCounter, 5827 mSDsCounter, 0 mSdLazyCounter, 5875 mSolverCounterSat, 3463 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 8096 SdHoareTripleChecker+Invalid, 9343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3463 IncrementalHoareTripleChecker+Valid, 5875 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:48,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3964 Valid, 8096 Invalid, 9343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3463 Valid, 5875 Invalid, 5 Unknown, 0 Unchecked, 24.9s Time] [2021-11-17 13:22:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2021-11-17 13:22:48,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5637. [2021-11-17 13:22:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5637 states, 3882 states have (on average 1.2684183410613086) internal successors, (4924), 3988 states have internal predecessors, (4924), 1478 states have call successors, (1478), 249 states have call predecessors, (1478), 273 states have return successors, (1711), 1474 states have call predecessors, (1711), 1476 states have call successors, (1711) [2021-11-17 13:22:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5637 states to 5637 states and 8113 transitions. [2021-11-17 13:22:48,846 INFO L78 Accepts]: Start accepts. Automaton has 5637 states and 8113 transitions. Word has length 317 [2021-11-17 13:22:48,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:48,847 INFO L470 AbstractCegarLoop]: Abstraction has 5637 states and 8113 transitions. [2021-11-17 13:22:48,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (43), 7 states have call predecessors, (43), 2 states have return successors, (39), 2 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 13:22:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5637 states and 8113 transitions. [2021-11-17 13:22:48,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-17 13:22:48,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:48,850 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 9, 9, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 13:22:48,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-17 13:22:48,850 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:22:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash -79054800, now seen corresponding path program 1 times [2021-11-17 13:22:48,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:48,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991086937] [2021-11-17 13:22:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:48,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:22:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:22:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:22:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:22:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:22:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:22:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:22:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:22:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:22:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 13:22:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:22:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:22:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:22:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:22:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:22:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 13:22:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 13:22:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 13:22:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 13:22:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 13:22:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 13:22:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 13:22:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 13:22:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2021-11-17 13:22:49,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:49,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991086937] [2021-11-17 13:22:49,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991086937] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:22:49,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197173976] [2021-11-17 13:22:49,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:49,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:49,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:22:49,470 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 13:22:49,475 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 13:22:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:50,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 3754 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-17 13:22:50,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:22:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2021-11-17 13:22:50,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:22:50,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197173976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:22:50,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:22:50,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [14] total 26 [2021-11-17 13:22:50,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766800140] [2021-11-17 13:22:50,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:22:50,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:22:50,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:22:50,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:22:50,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=597, Unknown=0, NotChecked=0, Total=650 [2021-11-17 13:22:50,950 INFO L87 Difference]: Start difference. First operand 5637 states and 8113 transitions. Second operand has 16 states, 15 states have (on average 7.4) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) [2021-11-17 13:22:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:52,422 INFO L93 Difference]: Finished difference Result 12575 states and 18179 transitions. [2021-11-17 13:22:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-17 13:22:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.4) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) Word has length 320 [2021-11-17 13:22:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:52,439 INFO L225 Difference]: With dead ends: 12575 [2021-11-17 13:22:52,439 INFO L226 Difference]: Without dead ends: 6954 [2021-11-17 13:22:52,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=1201, Unknown=0, NotChecked=0, Total=1332 [2021-11-17 13:22:52,451 INFO L933 BasicCegarLoop]: 3256 mSDtfsCounter, 2984 mSDsluCounter, 42185 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 45441 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:52,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2988 Valid, 45441 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [855 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-17 13:22:52,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2021-11-17 13:22:52,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 5406. [2021-11-17 13:22:52,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5406 states, 3708 states have (on average 1.2694174757281553) internal successors, (4707), 3812 states have internal predecessors, (4707), 1429 states have call successors, (1429), 244 states have call predecessors, (1429), 265 states have return successors, (1566), 1423 states have call predecessors, (1566), 1427 states have call successors, (1566) [2021-11-17 13:22:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 5406 states and 7702 transitions. [2021-11-17 13:22:52,863 INFO L78 Accepts]: Start accepts. Automaton has 5406 states and 7702 transitions. Word has length 320 [2021-11-17 13:22:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:52,864 INFO L470 AbstractCegarLoop]: Abstraction has 5406 states and 7702 transitions. [2021-11-17 13:22:52,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.4) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (37), 2 states have call predecessors, (37), 5 states have return successors, (35), 8 states have call predecessors, (35), 7 states have call successors, (35) [2021-11-17 13:22:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5406 states and 7702 transitions. [2021-11-17 13:22:52,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-17 13:22:52,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:52,868 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 10, 10, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:22:52,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-17 13:22:53,083 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,SelfDestructingSolverStorable33 [2021-11-17 13:22:53,084 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:22:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1243765938, now seen corresponding path program 1 times [2021-11-17 13:22:53,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:53,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774188317] [2021-11-17 13:22:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:53,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:22:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:22:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:22:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:22:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:22:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:22:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:22:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:22:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:22:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:22:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:22:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 13:22:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 13:22:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 13:22:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:22:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:22:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:22:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 13:22:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 13:22:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 13:22:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 13:22:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 13:22:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-11-17 13:22:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:53,785 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-17 13:22:53,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:53,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774188317] [2021-11-17 13:22:53,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774188317] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:22:53,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508722396] [2021-11-17 13:22:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:53,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:53,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:22:53,786 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 13:22:53,788 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 13:22:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:54,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 3787 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-17 13:22:54,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:22:55,129 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 374 proven. 5 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-11-17 13:22:55,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:22:55,962 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-17 13:22:55,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508722396] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:22:55,962 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:22:55,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 17 [2021-11-17 13:22:55,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612569973] [2021-11-17 13:22:55,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:22:55,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-17 13:22:55,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:22:55,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-17 13:22:55,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:22:55,963 INFO L87 Difference]: Start difference. First operand 5406 states and 7702 transitions. Second operand has 17 states, 17 states have (on average 8.176470588235293) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (64), 7 states have call predecessors, (64), 6 states have return successors, (49), 8 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 13:23:38,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:23:38,593 INFO L93 Difference]: Finished difference Result 10868 states and 15692 transitions. [2021-11-17 13:23:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 13:23:38,593 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.176470588235293) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (64), 7 states have call predecessors, (64), 6 states have return successors, (49), 8 states have call predecessors, (49), 4 states have call successors, (49) Word has length 317 [2021-11-17 13:23:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:23:38,607 INFO L225 Difference]: With dead ends: 10868 [2021-11-17 13:23:38,608 INFO L226 Difference]: Without dead ends: 5481 [2021-11-17 13:23:38,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 735 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=141, Invalid=615, Unknown=0, NotChecked=0, Total=756 [2021-11-17 13:23:38,620 INFO L933 BasicCegarLoop]: 2296 mSDtfsCounter, 2884 mSDsluCounter, 14138 mSDsCounter, 0 mSdLazyCounter, 13094 mSolverCounterSat, 2576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 16434 SdHoareTripleChecker+Invalid, 15670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2576 IncrementalHoareTripleChecker+Valid, 13094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:23:38,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 16434 Invalid, 15670 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2576 Valid, 13094 Invalid, 0 Unknown, 0 Unchecked, 41.7s Time] [2021-11-17 13:23:38,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2021-11-17 13:23:38,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 5406. [2021-11-17 13:23:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5406 states, 3708 states have (on average 1.2694174757281553) internal successors, (4707), 3812 states have internal predecessors, (4707), 1429 states have call successors, (1429), 244 states have call predecessors, (1429), 265 states have return successors, (1566), 1423 states have call predecessors, (1566), 1427 states have call successors, (1566) [2021-11-17 13:23:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 5406 states and 7702 transitions. [2021-11-17 13:23:38,993 INFO L78 Accepts]: Start accepts. Automaton has 5406 states and 7702 transitions. Word has length 317 [2021-11-17 13:23:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:23:38,993 INFO L470 AbstractCegarLoop]: Abstraction has 5406 states and 7702 transitions. [2021-11-17 13:23:38,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.176470588235293) internal successors, (139), 8 states have internal predecessors, (139), 4 states have call successors, (64), 7 states have call predecessors, (64), 6 states have return successors, (49), 8 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 13:23:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 5406 states and 7702 transitions. [2021-11-17 13:23:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-17 13:23:38,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:23:38,996 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:23:39,019 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 13:23:39,211 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,SelfDestructingSolverStorable34 [2021-11-17 13:23:39,212 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:23:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:23:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1287481626, now seen corresponding path program 2 times [2021-11-17 13:23:39,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:23:39,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250273823] [2021-11-17 13:23:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:23:39,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:23:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:23:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:23:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:23:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:23:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:23:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:23:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:23:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:23:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:23:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:23:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:23:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:23:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:23:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:23:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:23:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:23:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:23:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:23:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:23:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:23:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:23:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:23:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:23:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:23:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:23:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:23:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:23:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:23:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 13:23:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:23:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:23:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:23:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:23:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 13:23:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:23:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 13:23:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 13:23:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:23:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 13:23:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 13:23:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:23:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2021-11-17 13:23:39,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:23:39,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250273823] [2021-11-17 13:23:39,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250273823] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:23:39,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446011601] [2021-11-17 13:23:39,656 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 13:23:39,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:23:39,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:23:39,657 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 13:23:39,661 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 13:24:05,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 13:24:05,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:24:05,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 3835 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-17 13:24:05,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:24:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2021-11-17 13:24:06,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:24:06,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446011601] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:24:06,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:24:06,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 18 [2021-11-17 13:24:06,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333311081] [2021-11-17 13:24:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:24:06,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:24:06,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:24:06,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:24:06,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=271, Unknown=0, NotChecked=0, Total=306 [2021-11-17 13:24:06,385 INFO L87 Difference]: Start difference. First operand 5406 states and 7702 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 13:24:06,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:24:06,866 INFO L93 Difference]: Finished difference Result 9271 states and 13325 transitions. [2021-11-17 13:24:06,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:24:06,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) Word has length 333 [2021-11-17 13:24:06,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:24:06,896 INFO L225 Difference]: With dead ends: 9271 [2021-11-17 13:24:06,896 INFO L226 Difference]: Without dead ends: 5404 [2021-11-17 13:24:06,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-17 13:24:06,909 INFO L933 BasicCegarLoop]: 2632 mSDtfsCounter, 14 mSDsluCounter, 18405 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 21037 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:24:06,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 21037 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:24:06,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5404 states. [2021-11-17 13:24:07,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5404 to 5384. [2021-11-17 13:24:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5384 states, 3690 states have (on average 1.2685636856368563) internal successors, (4681), 3793 states have internal predecessors, (4681), 1425 states have call successors, (1425), 244 states have call predecessors, (1425), 265 states have return successors, (1560), 1420 states have call predecessors, (1560), 1423 states have call successors, (1560) [2021-11-17 13:24:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5384 states to 5384 states and 7666 transitions. [2021-11-17 13:24:07,337 INFO L78 Accepts]: Start accepts. Automaton has 5384 states and 7666 transitions. Word has length 333 [2021-11-17 13:24:07,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:24:07,338 INFO L470 AbstractCegarLoop]: Abstraction has 5384 states and 7666 transitions. [2021-11-17 13:24:07,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 4 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 13:24:07,340 INFO L276 IsEmpty]: Start isEmpty. Operand 5384 states and 7666 transitions. [2021-11-17 13:24:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-17 13:24:07,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:24:07,343 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 10, 10, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:24:07,383 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 13:24:07,559 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,SelfDestructingSolverStorable35 [2021-11-17 13:24:07,560 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:24:07,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:24:07,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1017139212, now seen corresponding path program 1 times [2021-11-17 13:24:07,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:24:07,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293324699] [2021-11-17 13:24:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:24:07,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:24:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:24:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:24:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:24:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:24:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:24:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:24:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:24:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:24:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:24:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:24:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:24:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:24:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:24:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:24:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:24:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:24:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 13:24:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:24:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 13:24:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:24:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 13:24:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:24:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:24:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:24:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 13:24:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:24:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:24:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 13:24:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2021-11-17 13:24:08,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:24:08,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293324699] [2021-11-17 13:24:08,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293324699] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:24:08,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224561499] [2021-11-17 13:24:08,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:24:08,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:24:08,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:24:08,144 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 13:24:08,199 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 13:24:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:24:08,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 3884 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-17 13:24:08,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:24:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 128 proven. 395 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-17 13:24:09,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:24:10,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2021-11-17 13:24:10,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224561499] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:24:10,495 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:24:10,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 12] total 24 [2021-11-17 13:24:10,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871609996] [2021-11-17 13:24:10,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:24:10,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-17 13:24:10,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:24:10,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-17 13:24:10,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2021-11-17 13:24:10,497 INFO L87 Difference]: Start difference. First operand 5384 states and 7666 transitions. Second operand has 24 states, 24 states have (on average 8.25) internal successors, (198), 20 states have internal predecessors, (198), 10 states have call successors, (89), 14 states have call predecessors, (89), 10 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) [2021-11-17 13:24:12,522 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 13:24:14,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:24:17,134 WARN L515 Checker$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 13:24:18,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:24:20,369 WARN L515 Checker$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 13:24:21,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:25:50,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:25:50,732 INFO L93 Difference]: Finished difference Result 13199 states and 19500 transitions. [2021-11-17 13:25:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-17 13:25:50,733 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 8.25) internal successors, (198), 20 states have internal predecessors, (198), 10 states have call successors, (89), 14 states have call predecessors, (89), 10 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) Word has length 349 [2021-11-17 13:25:50,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:25:50,772 INFO L225 Difference]: With dead ends: 13199 [2021-11-17 13:25:50,772 INFO L226 Difference]: Without dead ends: 13197 [2021-11-17 13:25:50,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 811 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1655 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1173, Invalid=4083, Unknown=0, NotChecked=0, Total=5256 [2021-11-17 13:25:50,779 INFO L933 BasicCegarLoop]: 5122 mSDtfsCounter, 30333 mSDsluCounter, 24388 mSDsCounter, 0 mSdLazyCounter, 44126 mSolverCounterSat, 21721 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30882 SdHoareTripleChecker+Valid, 29510 SdHoareTripleChecker+Invalid, 65851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 21721 IncrementalHoareTripleChecker+Valid, 44126 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:25:50,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30882 Valid, 29510 Invalid, 65851 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [21721 Valid, 44126 Invalid, 4 Unknown, 0 Unchecked, 97.2s Time] [2021-11-17 13:25:50,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13197 states. [2021-11-17 13:25:51,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13197 to 12918. [2021-11-17 13:25:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12918 states, 8869 states have (on average 1.2684631863795242) internal successors, (11250), 9117 states have internal predecessors, (11250), 3407 states have call successors, (3407), 575 states have call predecessors, (3407), 638 states have return successors, (4079), 3399 states have call predecessors, (4079), 3405 states have call successors, (4079) [2021-11-17 13:25:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12918 states to 12918 states and 18736 transitions. [2021-11-17 13:25:51,780 INFO L78 Accepts]: Start accepts. Automaton has 12918 states and 18736 transitions. Word has length 349 [2021-11-17 13:25:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:25:51,780 INFO L470 AbstractCegarLoop]: Abstraction has 12918 states and 18736 transitions. [2021-11-17 13:25:51,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 8.25) internal successors, (198), 20 states have internal predecessors, (198), 10 states have call successors, (89), 14 states have call predecessors, (89), 10 states have return successors, (80), 10 states have call predecessors, (80), 10 states have call successors, (80) [2021-11-17 13:25:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 12918 states and 18736 transitions. [2021-11-17 13:25:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-11-17 13:25:51,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:25:51,783 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 10, 10, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 13:25:51,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-17 13:25:51,986 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,SelfDestructingSolverStorable36 [2021-11-17 13:25:51,987 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:25:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:25:51,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1906020786, now seen corresponding path program 3 times [2021-11-17 13:25:51,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:25:51,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630599984] [2021-11-17 13:25:51,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:25:51,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:25:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:25:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:25:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:25:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:25:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:25:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:25:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:25:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:25:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:25:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:25:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:25:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:25:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 13:25:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 13:25:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 13:25:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-11-17 13:25:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-17 13:25:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 13:25:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 13:25:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 13:25:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 13:25:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:25:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:25:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:25:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 13:25:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:25:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:25:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 13:25:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:25:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2021-11-17 13:25:52,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:25:52,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630599984] [2021-11-17 13:25:52,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630599984] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:25:52,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275572525] [2021-11-17 13:25:52,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 13:25:52,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:25:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:25:52,427 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 13:25:52,452 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 13:26:11,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-17 13:26:11,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:26:11,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2674 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-17 13:26:11,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:26:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2021-11-17 13:26:12,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:26:12,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275572525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:26:12,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:26:12,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2021-11-17 13:26:12,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653363702] [2021-11-17 13:26:12,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:26:12,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:26:12,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:26:12,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:26:12,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:26:12,293 INFO L87 Difference]: Start difference. First operand 12918 states and 18736 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 13:26:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:26:13,387 INFO L93 Difference]: Finished difference Result 23991 states and 35029 transitions. [2021-11-17 13:26:13,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:26:13,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 349 [2021-11-17 13:26:13,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:26:13,470 INFO L225 Difference]: With dead ends: 23991 [2021-11-17 13:26:13,470 INFO L226 Difference]: Without dead ends: 12638 [2021-11-17 13:26:13,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:26:13,495 INFO L933 BasicCegarLoop]: 2634 mSDtfsCounter, 11 mSDsluCounter, 10520 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13154 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:26:13,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 13154 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:26:13,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12638 states. [2021-11-17 13:26:14,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12638 to 12589. [2021-11-17 13:26:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12589 states, 8626 states have (on average 1.2691861813123115) internal successors, (10948), 8860 states have internal predecessors, (10948), 3340 states have call successors, (3340), 566 states have call predecessors, (3340), 619 states have return successors, (3879), 3330 states have call predecessors, (3879), 3338 states have call successors, (3879) [2021-11-17 13:26:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12589 states to 12589 states and 18167 transitions. [2021-11-17 13:26:14,465 INFO L78 Accepts]: Start accepts. Automaton has 12589 states and 18167 transitions. Word has length 349 [2021-11-17 13:26:14,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:26:14,466 INFO L470 AbstractCegarLoop]: Abstraction has 12589 states and 18167 transitions. [2021-11-17 13:26:14,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 13:26:14,466 INFO L276 IsEmpty]: Start isEmpty. Operand 12589 states and 18167 transitions. [2021-11-17 13:26:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-17 13:26:14,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:26:14,469 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:26:14,502 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 13:26:14,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-17 13:26:14,675 INFO L402 AbstractCegarLoop]: === Iteration 39 === 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 26 more)] === [2021-11-17 13:26:14,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:26:14,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1553172732, now seen corresponding path program 1 times [2021-11-17 13:26:14,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:26:14,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220951479] [2021-11-17 13:26:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:26:14,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:26:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:26:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:26:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:26:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:26:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:26:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:26:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:26:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:26:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:26:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:26:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:26:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:26:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:26:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:26:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:26:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:26:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:26:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 13:26:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:26:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:26:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:26:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:26:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:26:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:26:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:26:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:26:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:26:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:26:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:26:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:26:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:26:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:26:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:26:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:26:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 13:26:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 13:26:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 13:26:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 13:26:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 13:26:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 13:26:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 13:26:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 13:26:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 13:26:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 13:26:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 13:26:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:26:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 13:26:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 13:26:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:26:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2021-11-17 13:26:15,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:26:15,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220951479] [2021-11-17 13:26:15,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220951479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:26:15,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:26:15,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-17 13:26:15,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368253855] [2021-11-17 13:26:15,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:26:15,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:26:15,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:26:15,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:26:15,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-11-17 13:26:15,371 INFO L87 Difference]: Start difference. First operand 12589 states and 18167 transitions. Second operand has 16 states, 16 states have (on average 6.8125) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (43), 8 states have call predecessors, (43), 4 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 13:26:18,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:27:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:27:16,154 INFO L93 Difference]: Finished difference Result 22173 states and 32317 transitions. [2021-11-17 13:27:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 13:27:16,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (43), 8 states have call predecessors, (43), 4 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) Word has length 360 [2021-11-17 13:27:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:27:16,185 INFO L225 Difference]: With dead ends: 22173 [2021-11-17 13:27:16,185 INFO L226 Difference]: Without dead ends: 11146 [2021-11-17 13:27:16,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=185, Invalid=871, Unknown=0, NotChecked=0, Total=1056 [2021-11-17 13:27:16,208 INFO L933 BasicCegarLoop]: 2261 mSDtfsCounter, 2899 mSDsluCounter, 13506 mSDsCounter, 0 mSdLazyCounter, 13074 mSolverCounterSat, 3068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2899 SdHoareTripleChecker+Valid, 15767 SdHoareTripleChecker+Invalid, 16142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3068 IncrementalHoareTripleChecker+Valid, 13074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:27:16,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2899 Valid, 15767 Invalid, 16142 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3068 Valid, 13074 Invalid, 0 Unknown, 0 Unchecked, 59.0s Time] [2021-11-17 13:27:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11146 states. [2021-11-17 13:27:16,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11146 to 11010. [2021-11-17 13:27:16,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 7555 states have (on average 1.2676373262739908) internal successors, (9577), 7755 states have internal predecessors, (9577), 2908 states have call successors, (2908), 498 states have call predecessors, (2908), 543 states have return successors, (3357), 2902 states have call predecessors, (3357), 2906 states have call successors, (3357) [2021-11-17 13:27:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 15842 transitions. [2021-11-17 13:27:17,023 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 15842 transitions. Word has length 360 [2021-11-17 13:27:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:27:17,023 INFO L470 AbstractCegarLoop]: Abstraction has 11010 states and 15842 transitions. [2021-11-17 13:27:17,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 8 states have internal predecessors, (109), 3 states have call successors, (43), 8 states have call predecessors, (43), 4 states have return successors, (42), 5 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 13:27:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 15842 transitions. [2021-11-17 13:27:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-17 13:27:17,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:27:17,027 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:27:17,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-17 13:27:17,043 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:27:17,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:27:17,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1769757743, now seen corresponding path program 1 times [2021-11-17 13:27:17,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:27:17,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123700830] [2021-11-17 13:27:17,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:27:17,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:27:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:27:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:27:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:27:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:27:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:27:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:27:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:27:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:27:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 13:27:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:27:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:27:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 13:27:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:27:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:27:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 13:27:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:27:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:27:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 13:27:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 13:27:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 13:27:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 13:27:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:27:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:27:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:27:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:27:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 13:27:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 13:27:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:27:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 13:27:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-17 13:27:17,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:27:17,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123700830] [2021-11-17 13:27:17,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123700830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:27:17,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:27:17,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 13:27:17,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771468819] [2021-11-17 13:27:17,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:27:17,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 13:27:17,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:27:17,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 13:27:17,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:27:17,469 INFO L87 Difference]: Start difference. First operand 11010 states and 15842 transitions. Second operand has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 13:27:19,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:27:21,552 WARN L515 Checker$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 13:27:23,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:27:25,731 WARN L515 Checker$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 13:27:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:27:50,943 INFO L93 Difference]: Finished difference Result 22335 states and 32688 transitions. [2021-11-17 13:27:50,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 13:27:50,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 386 [2021-11-17 13:27:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:27:50,980 INFO L225 Difference]: With dead ends: 22335 [2021-11-17 13:27:50,980 INFO L226 Difference]: Without dead ends: 13705 [2021-11-17 13:27:51,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2021-11-17 13:27:51,001 INFO L933 BasicCegarLoop]: 2797 mSDtfsCounter, 5506 mSDsluCounter, 8824 mSDsCounter, 0 mSdLazyCounter, 7912 mSolverCounterSat, 4577 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5732 SdHoareTripleChecker+Valid, 11621 SdHoareTripleChecker+Invalid, 12493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4577 IncrementalHoareTripleChecker+Valid, 7912 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:27:51,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5732 Valid, 11621 Invalid, 12493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4577 Valid, 7912 Invalid, 4 Unknown, 0 Unchecked, 32.0s Time] [2021-11-17 13:27:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13705 states. [2021-11-17 13:27:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13705 to 11010. [2021-11-17 13:27:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 7555 states have (on average 1.2668431502316346) internal successors, (9571), 7755 states have internal predecessors, (9571), 2908 states have call successors, (2908), 498 states have call predecessors, (2908), 543 states have return successors, (3357), 2902 states have call predecessors, (3357), 2906 states have call successors, (3357) [2021-11-17 13:27:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 15836 transitions. [2021-11-17 13:27:51,981 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 15836 transitions. Word has length 386 [2021-11-17 13:27:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:27:51,982 INFO L470 AbstractCegarLoop]: Abstraction has 11010 states and 15836 transitions. [2021-11-17 13:27:51,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (51), 6 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 13:27:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 15836 transitions. [2021-11-17 13:27:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-17 13:27:51,985 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:27:51,985 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:27:51,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-17 13:27:51,985 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:27:51,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:27:51,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1769698161, now seen corresponding path program 1 times [2021-11-17 13:27:51,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:27:51,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685305793] [2021-11-17 13:27:51,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:27:51,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:27:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:27:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:27:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:27:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:27:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:27:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:27:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:27:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:27:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 13:27:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:27:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:27:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 13:27:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:27:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:27:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 13:27:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:27:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:27:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 13:27:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 13:27:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 13:27:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:27:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:27:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:27:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 13:27:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:27:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:27:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:27:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:27:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:27:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 13:27:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 13:27:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:27:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 13:27:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:27:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-17 13:27:52,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:27:52,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685305793] [2021-11-17 13:27:52,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685305793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:27:52,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:27:52,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:27:52,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506882902] [2021-11-17 13:27:52,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:27:52,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:27:52,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:27:52,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:27:52,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:27:52,511 INFO L87 Difference]: Start difference. First operand 11010 states and 15836 transitions. Second operand has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 13:27:54,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:27:55,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:28:16,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:28:16,077 INFO L93 Difference]: Finished difference Result 13729 states and 20429 transitions. [2021-11-17 13:28:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 13:28:16,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) Word has length 386 [2021-11-17 13:28:16,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:28:16,113 INFO L225 Difference]: With dead ends: 13729 [2021-11-17 13:28:16,113 INFO L226 Difference]: Without dead ends: 13727 [2021-11-17 13:28:16,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:28:16,119 INFO L933 BasicCegarLoop]: 2923 mSDtfsCounter, 3941 mSDsluCounter, 7346 mSDsCounter, 0 mSdLazyCounter, 5638 mSolverCounterSat, 3309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 10269 SdHoareTripleChecker+Invalid, 8947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3309 IncrementalHoareTripleChecker+Valid, 5638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:28:16,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3942 Valid, 10269 Invalid, 8947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3309 Valid, 5638 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2021-11-17 13:28:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-11-17 13:28:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 11008. [2021-11-17 13:28:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11008 states, 7554 states have (on average 1.2660841938046068) internal successors, (9564), 7753 states have internal predecessors, (9564), 2908 states have call successors, (2908), 498 states have call predecessors, (2908), 543 states have return successors, (3357), 2902 states have call predecessors, (3357), 2906 states have call successors, (3357) [2021-11-17 13:28:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11008 states to 11008 states and 15829 transitions. [2021-11-17 13:28:17,028 INFO L78 Accepts]: Start accepts. Automaton has 11008 states and 15829 transitions. Word has length 386 [2021-11-17 13:28:17,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:28:17,029 INFO L470 AbstractCegarLoop]: Abstraction has 11008 states and 15829 transitions. [2021-11-17 13:28:17,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.222222222222221) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 13:28:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 11008 states and 15829 transitions. [2021-11-17 13:28:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 13:28:17,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:28:17,032 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:28:17,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-17 13:28:17,033 INFO L402 AbstractCegarLoop]: === Iteration 42 === 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 26 more)] === [2021-11-17 13:28:17,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:28:17,033 INFO L85 PathProgramCache]: Analyzing trace with hash 836670936, now seen corresponding path program 1 times [2021-11-17 13:28:17,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:28:17,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666160230] [2021-11-17 13:28:17,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:28:17,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:28:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:28:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:28:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:28:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:28:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:28:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:28:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:28:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:28:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:28:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:28:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:28:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:28:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:28:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:28:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:28:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:28:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:28:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 13:28:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:28:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:28:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:28:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:28:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:28:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:28:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:28:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:28:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:28:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:28:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:28:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:28:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:28:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:28:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:28:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:28:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 13:28:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 13:28:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 13:28:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 13:28:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 13:28:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 13:28:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-11-17 13:28:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 13:28:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 13:28:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:28:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 13:28:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 13:28:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 13:28:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:28:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 13:28:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 13:28:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:28:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1182 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2021-11-17 13:28:17,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:28:17,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666160230] [2021-11-17 13:28:17,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666160230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:28:17,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:28:17,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-11-17 13:28:17,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089978926] [2021-11-17 13:28:17,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:28:17,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-17 13:28:17,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:28:17,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-17 13:28:17,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:28:17,617 INFO L87 Difference]: Start difference. First operand 11008 states and 15829 transitions. Second operand has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (41), 9 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2021-11-17 13:28:19,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:28:21,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:28:23,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:28:25,182 WARN L515 Checker$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 13:28:27,230 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 13:29:05,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:29:05,319 INFO L93 Difference]: Finished difference Result 12811 states and 18689 transitions. [2021-11-17 13:29:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-17 13:29:05,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (41), 9 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 385 [2021-11-17 13:29:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:29:05,356 INFO L225 Difference]: With dead ends: 12811 [2021-11-17 13:29:05,357 INFO L226 Difference]: Without dead ends: 12720 [2021-11-17 13:29:05,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 128 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2021-11-17 13:29:05,365 INFO L933 BasicCegarLoop]: 2267 mSDtfsCounter, 9482 mSDsluCounter, 7484 mSDsCounter, 0 mSdLazyCounter, 14281 mSolverCounterSat, 9111 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9610 SdHoareTripleChecker+Valid, 9751 SdHoareTripleChecker+Invalid, 23395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9111 IncrementalHoareTripleChecker+Valid, 14281 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:29:05,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9610 Valid, 9751 Invalid, 23395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9111 Valid, 14281 Invalid, 3 Unknown, 0 Unchecked, 46.2s Time] [2021-11-17 13:29:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12720 states. [2021-11-17 13:29:06,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12720 to 12533. [2021-11-17 13:29:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12533 states, 8594 states have (on average 1.2671631370723762) internal successors, (10890), 8818 states have internal predecessors, (10890), 3315 states have call successors, (3315), 573 states have call predecessors, (3315), 621 states have return successors, (3779), 3307 states have call predecessors, (3779), 3313 states have call successors, (3779) [2021-11-17 13:29:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12533 states to 12533 states and 17984 transitions. [2021-11-17 13:29:06,373 INFO L78 Accepts]: Start accepts. Automaton has 12533 states and 17984 transitions. Word has length 385 [2021-11-17 13:29:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:29:06,373 INFO L470 AbstractCegarLoop]: Abstraction has 12533 states and 17984 transitions. [2021-11-17 13:29:06,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.533333333333333) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (41), 9 states have call predecessors, (41), 4 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2021-11-17 13:29:06,373 INFO L276 IsEmpty]: Start isEmpty. Operand 12533 states and 17984 transitions. [2021-11-17 13:29:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2021-11-17 13:29:06,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:29:06,377 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:06,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-17 13:29:06,377 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:29:06,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:29:06,377 INFO L85 PathProgramCache]: Analyzing trace with hash 2114158037, now seen corresponding path program 1 times [2021-11-17 13:29:06,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:29:06,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58475858] [2021-11-17 13:29:06,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:29:06,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:29:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:29:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:29:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:29:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:29:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:29:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 13:29:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 13:29:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 13:29:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-17 13:29:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:29:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:29:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 13:29:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 13:29:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 13:29:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 13:29:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:29:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:29:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:29:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 13:29:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:29:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 13:29:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:29:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 13:29:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:29:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 13:29:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 13:29:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 13:29:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-11-17 13:29:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:29:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 13:29:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 13:29:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-17 13:29:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 13:29:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-17 13:29:06,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:29:06,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58475858] [2021-11-17 13:29:06,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58475858] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:29:06,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:29:06,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:29:06,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424350970] [2021-11-17 13:29:06,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:29:06,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:29:06,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:29:06,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:29:06,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:29:06,777 INFO L87 Difference]: Start difference. First operand 12533 states and 17984 transitions. Second operand has 8 states, 8 states have (on average 15.375) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 13:29:08,804 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 13:29:10,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:29:12,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:29:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:29:27,194 INFO L93 Difference]: Finished difference Result 22769 states and 32942 transitions. [2021-11-17 13:29:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 13:29:27,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 3 states have call successors, (51) Word has length 390 [2021-11-17 13:29:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:29:27,262 INFO L225 Difference]: With dead ends: 22769 [2021-11-17 13:29:27,262 INFO L226 Difference]: Without dead ends: 9963 [2021-11-17 13:29:27,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-11-17 13:29:27,288 INFO L933 BasicCegarLoop]: 2255 mSDtfsCounter, 4800 mSDsluCounter, 2673 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 3754 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5027 SdHoareTripleChecker+Valid, 4928 SdHoareTripleChecker+Invalid, 6537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3754 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:29:27,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5027 Valid, 4928 Invalid, 6537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3754 Valid, 2781 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2021-11-17 13:29:27,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9963 states. [2021-11-17 13:29:28,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9963 to 9752. [2021-11-17 13:29:28,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9752 states, 6688 states have (on average 1.2585227272727273) internal successors, (8417), 6859 states have internal predecessors, (8417), 2561 states have call successors, (2561), 453 states have call predecessors, (2561), 501 states have return successors, (3025), 2565 states have call predecessors, (3025), 2559 states have call successors, (3025) [2021-11-17 13:29:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9752 states to 9752 states and 14003 transitions. [2021-11-17 13:29:28,070 INFO L78 Accepts]: Start accepts. Automaton has 9752 states and 14003 transitions. Word has length 390 [2021-11-17 13:29:28,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:29:28,070 INFO L470 AbstractCegarLoop]: Abstraction has 9752 states and 14003 transitions. [2021-11-17 13:29:28,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.375) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 13:29:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 9752 states and 14003 transitions. [2021-11-17 13:29:28,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-11-17 13:29:28,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:29:28,074 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 12, 12, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:28,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-17 13:29:28,074 INFO L402 AbstractCegarLoop]: === Iteration 44 === 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 26 more)] === [2021-11-17 13:29:28,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:29:28,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1694661538, now seen corresponding path program 1 times [2021-11-17 13:29:28,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:29:28,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204727450] [2021-11-17 13:29:28,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:29:28,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:29:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:29:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:29:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 13:29:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 13:29:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 13:29:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:29:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:29:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-17 13:29:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:29:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 13:29:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:29:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 13:29:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 13:29:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 13:29:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:29:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:29:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 13:29:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-17 13:29:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 13:29:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 13:29:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 13:29:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:29:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 13:29:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 13:29:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 13:29:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 13:29:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 13:29:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-11-17 13:29:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 13:29:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 13:29:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 13:29:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 13:29:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 13:29:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 13:29:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 13:29:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 13:29:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:29:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 13:29:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 13:29:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1456 trivial. 0 not checked. [2021-11-17 13:29:28,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:29:28,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204727450] [2021-11-17 13:29:28,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204727450] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:29:28,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146638055] [2021-11-17 13:29:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:29:28,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:29:28,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:29:28,566 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 13:29:28,567 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 13:29:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:29:29,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 4069 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-17 13:29:29,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:29:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 67 proven. 57 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-11-17 13:29:30,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:29:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 67 proven. 57 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-11-17 13:29:30,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146638055] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:29:30,781 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:29:30,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 32 [2021-11-17 13:29:30,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650555041] [2021-11-17 13:29:30,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:29:30,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-17 13:29:30,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:29:30,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-17 13:29:30,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=919, Unknown=0, NotChecked=0, Total=992 [2021-11-17 13:29:30,783 INFO L87 Difference]: Start difference. First operand 9752 states and 14003 transitions. Second operand has 32 states, 31 states have (on average 6.161290322580645) internal successors, (191), 22 states have internal predecessors, (191), 8 states have call successors, (78), 9 states have call predecessors, (78), 7 states have return successors, (72), 10 states have call predecessors, (72), 8 states have call successors, (72) [2021-11-17 13:29:32,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:29:34,865 WARN L515 Checker$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 13:29:36,910 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 [] Killed by 15