./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 16:13:48,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 16:13:48,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 16:13:48,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 16:13:48,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 16:13:48,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 16:13:48,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 16:13:48,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 16:13:48,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 16:13:48,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 16:13:48,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 16:13:48,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 16:13:48,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 16:13:48,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 16:13:48,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 16:13:48,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 16:13:48,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 16:13:48,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 16:13:48,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 16:13:48,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 16:13:48,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 16:13:48,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 16:13:48,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 16:13:48,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 16:13:48,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 16:13:48,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 16:13:48,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 16:13:48,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 16:13:48,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 16:13:48,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 16:13:48,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 16:13:48,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 16:13:48,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 16:13:48,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 16:13:48,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 16:13:48,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 16:13:48,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 16:13:48,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 16:13:48,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 16:13:48,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 16:13:48,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 16:13:48,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 16:13:48,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 16:13:48,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 16:13:48,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 16:13:48,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 16:13:48,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 16:13:48,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 16:13:48,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 16:13:48,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 16:13:48,511 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 16:13:48,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 16:13:48,512 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 16:13:48,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 16:13:48,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 16:13:48,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 16:13:48,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 16:13:48,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:13:48,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 16:13:48,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 16:13:48,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 16:13:48,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d4cee005db193e9c1facb47684505767d12f23c1b879219be0e7ba3c7b775ac [2021-12-18 16:13:48,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 16:13:48,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 16:13:48,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 16:13:48,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 16:13:48,681 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 16:13:48,682 INFO L432 ainManager$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 [2021-12-18 16:13:48,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cafd42d68/3ed792b1848b4b3ab0ccbdc1e41d6e03/FLAGc8d3816ed [2021-12-18 16:13:49,368 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 16:13:49,369 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 [2021-12-18 16:13:49,399 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cafd42d68/3ed792b1848b4b3ab0ccbdc1e41d6e03/FLAGc8d3816ed [2021-12-18 16:13:49,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cafd42d68/3ed792b1848b4b3ab0ccbdc1e41d6e03 [2021-12-18 16:13:49,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 16:13:49,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 16:13:49,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 16:13:49,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 16:13:49,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 16:13:49,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:13:49" (1/1) ... [2021-12-18 16:13:49,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e75579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:49, skipping insertion in model container [2021-12-18 16:13:49,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:13:49" (1/1) ... [2021-12-18 16:13:49,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 16:13:49,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 16:13:51,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:51,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:13:51,877 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 16:13:52,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-12-18 16:13:52,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:13:52,375 INFO L208 MainTranslator]: Completed translation [2021-12-18 16:13:52,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52 WrapperNode [2021-12-18 16:13:52,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 16:13:52,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 16:13:52,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 16:13:52,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 16:13:52,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,618 INFO L137 Inliner]: procedures = 599, calls = 2864, calls flagged for inlining = 294, calls inlined = 217, statements flattened = 6185 [2021-12-18 16:13:52,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 16:13:52,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 16:13:52,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 16:13:52,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 16:13:52,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 16:13:52,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 16:13:52,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 16:13:52,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 16:13:52,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (1/1) ... [2021-12-18 16:13:52,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:13:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:13:52,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 16:13:52,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 16:13:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:13:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:13:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 16:13:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 16:13:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_get_frame [2021-12-18 16:13:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_get_frame [2021-12-18 16:13:52,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 16:13:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 16:13:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:13:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:13:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:13:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:13:52,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:13:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:13:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:13:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:13:52,876 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:13:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:13:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-12-18 16:13:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_isp116x [2021-12-18 16:13:52,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 16:13:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 16:13:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 16:13:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 16:13:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:13:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:13:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg32 [2021-12-18 16:13:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg32 [2021-12-18 16:13:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-18 16:13:52,878 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-18 16:13:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 16:13:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_write_data16 [2021-12-18 16:13:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_write_data16 [2021-12-18 16:13:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:13:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:13:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 16:13:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 16:13:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 16:13:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:13:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 16:13:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_data16 [2021-12-18 16:13:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_data16 [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:13:52,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:13:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:13:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:13:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2021-12-18 16:13:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2021-12-18 16:13:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 16:13:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 16:13:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_hub_control [2021-12-18 16:13:52,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_hub_control [2021-12-18 16:13:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_reset [2021-12-18 16:13:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_reset [2021-12-18 16:13:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:13:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:13:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_isp116x [2021-12-18 16:13:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_isp116x [2021-12-18 16:13:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:13:52,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:13:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 16:13:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 16:13:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 16:13:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 16:13:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 16:13:52,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 16:13:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 16:13:52,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 16:13:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 16:13:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:13:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:13:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:13:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:13:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2021-12-18 16:13:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2021-12-18 16:13:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_resume [2021-12-18 16:13:52,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_resume [2021-12-18 16:13:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 16:13:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 16:13:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:13:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:13:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_start [2021-12-18 16:13:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_start [2021-12-18 16:13:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-18 16:13:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-18 16:13:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 16:13:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 16:13:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-12-18 16:13:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-12-18 16:13:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg16 [2021-12-18 16:13:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg16 [2021-12-18 16:13:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 16:13:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 16:13:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 16:13:52,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 16:13:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:13:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:13:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-18 16:13:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-18 16:13:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_reg32 [2021-12-18 16:13:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_reg32 [2021-12-18 16:13:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_sw_reset [2021-12-18 16:13:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_sw_reset [2021-12-18 16:13:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:13:52,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-12-18 16:13:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_isp116x [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-18 16:13:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_addr [2021-12-18 16:13:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_addr [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_to_hcd [2021-12-18 16:13:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_to_hcd [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:13:52,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:13:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:13:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:13:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 16:13:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 16:13:52,892 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 16:13:52,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-18 16:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-18 16:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-12-18 16:13:52,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 16:13:52,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:13:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:13:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 16:13:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 16:13:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure start_atl_transfers [2021-12-18 16:13:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure start_atl_transfers [2021-12-18 16:13:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-18 16:13:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-18 16:13:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_probe [2021-12-18 16:13:52,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_probe [2021-12-18 16:13:52,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 16:13:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_write_data16 [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_write_data16 [2021-12-18 16:13:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 16:13:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:13:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:13:52,895 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:13:52,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:13:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 16:13:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 16:13:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:13:52,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:13:52,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 16:13:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96 [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96 [2021-12-18 16:13:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_read_reg16 [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_read_reg16 [2021-12-18 16:13:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:13:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_95 [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_95 [2021-12-18 16:13:52,897 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_stop [2021-12-18 16:13:52,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_stop [2021-12-18 16:13:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_bus_suspend [2021-12-18 16:13:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_bus_suspend [2021-12-18 16:13:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_raw_read_data16 [2021-12-18 16:13:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_raw_read_data16 [2021-12-18 16:13:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 16:13:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 16:13:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_resume [2021-12-18 16:13:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_resume [2021-12-18 16:13:52,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:13:52,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 16:13:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-18 16:13:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2021-12-18 16:13:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure isp116x_remove [2021-12-18 16:13:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isp116x_remove [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 16:13:52,899 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-18 16:13:52,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-18 16:13:52,900 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-18 16:13:52,900 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-18 16:13:53,497 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 16:13:53,499 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 16:13:53,648 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 16:13:56,806 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 16:13:56,833 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 16:13:56,833 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-18 16:13:56,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:13:56 BoogieIcfgContainer [2021-12-18 16:13:56,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 16:13:56,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 16:13:56,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 16:13:56,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 16:13:56,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:13:49" (1/3) ... [2021-12-18 16:13:56,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414074d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:13:56, skipping insertion in model container [2021-12-18 16:13:56,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:13:52" (2/3) ... [2021-12-18 16:13:56,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@414074d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:13:56, skipping insertion in model container [2021-12-18 16:13:56,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:13:56" (3/3) ... [2021-12-18 16:13:56,846 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--isp116x-hcd.ko.cil.i [2021-12-18 16:13:56,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 16:13:56,851 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-12-18 16:13:56,897 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 16:13:56,901 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 16:13:56,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-18 16:13:56,939 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) [2021-12-18 16:13:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-18 16:13:56,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:13:56,946 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] [2021-12-18 16:13:56,946 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)] === [2021-12-18 16:13:56,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:13:56,950 INFO L85 PathProgramCache]: Analyzing trace with hash 2021026787, now seen corresponding path program 1 times [2021-12-18 16:13:56,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:13:56,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304318390] [2021-12-18 16:13:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:13:56,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:13:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:13:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:13:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:13:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:13:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:13:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:13:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:13:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:13:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:13:57,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:13:57,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304318390] [2021-12-18 16:13:57,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304318390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:13:57,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:13:57,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:13:57,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461756529] [2021-12-18 16:13:57,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:13:57,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:13:57,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:13:57,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:13:57,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:13:57,532 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) [2021-12-18 16:14:05,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:05,560 INFO L93 Difference]: Finished difference Result 6102 states and 8920 transitions. [2021-12-18 16:14:05,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 16:14:05,562 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 [2021-12-18 16:14:05,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:05,606 INFO L225 Difference]: With dead ends: 6102 [2021-12-18 16:14:05,606 INFO L226 Difference]: Without dead ends: 4034 [2021-12-18 16:14:05,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:14:05,628 INFO L933 BasicCegarLoop]: 2797 mSDtfsCounter, 6184 mSDsluCounter, 4485 mSDsCounter, 0 mSdLazyCounter, 4684 mSolverCounterSat, 4072 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 7282 SdHoareTripleChecker+Invalid, 8756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4072 IncrementalHoareTripleChecker+Valid, 4684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:05,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6369 Valid, 7282 Invalid, 8756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4072 Valid, 4684 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2021-12-18 16:14:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2021-12-18 16:14:05,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 3838. [2021-12-18 16:14:05,946 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) [2021-12-18 16:14:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 5430 transitions. [2021-12-18 16:14:05,988 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 5430 transitions. Word has length 64 [2021-12-18 16:14:05,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:05,989 INFO L470 AbstractCegarLoop]: Abstraction has 3838 states and 5430 transitions. [2021-12-18 16:14:05,989 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) [2021-12-18 16:14:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 5430 transitions. [2021-12-18 16:14:05,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-18 16:14:05,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:05,998 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] [2021-12-18 16:14:05,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 16:14:05,999 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)] === [2021-12-18 16:14:06,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:06,001 INFO L85 PathProgramCache]: Analyzing trace with hash 115057794, now seen corresponding path program 1 times [2021-12-18 16:14:06,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:06,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031312775] [2021-12-18 16:14:06,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:06,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:06,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:06,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031312775] [2021-12-18 16:14:06,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031312775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:06,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:06,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:06,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507746122] [2021-12-18 16:14:06,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:06,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:06,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:06,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:06,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:06,246 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) [2021-12-18 16:14:10,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:10,273 INFO L93 Difference]: Finished difference Result 3838 states and 5430 transitions. [2021-12-18 16:14:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:10,274 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 [2021-12-18 16:14:10,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:10,294 INFO L225 Difference]: With dead ends: 3838 [2021-12-18 16:14:10,294 INFO L226 Difference]: Without dead ends: 3836 [2021-12-18 16:14:10,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:10,299 INFO L933 BasicCegarLoop]: 2506 mSDtfsCounter, 4106 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4312 SdHoareTripleChecker+Valid, 5288 SdHoareTripleChecker+Invalid, 4518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:10,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4312 Valid, 5288 Invalid, 4518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-18 16:14:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3836 states. [2021-12-18 16:14:10,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3836 to 3836. [2021-12-18 16:14:10,431 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) [2021-12-18 16:14:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3836 states and 5428 transitions. [2021-12-18 16:14:10,456 INFO L78 Accepts]: Start accepts. Automaton has 3836 states and 5428 transitions. Word has length 70 [2021-12-18 16:14:10,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:10,458 INFO L470 AbstractCegarLoop]: Abstraction has 3836 states and 5428 transitions. [2021-12-18 16:14:10,458 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) [2021-12-18 16:14:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 5428 transitions. [2021-12-18 16:14:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-18 16:14:10,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:10,461 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] [2021-12-18 16:14:10,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 16:14:10,461 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)] === [2021-12-18 16:14:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:10,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1665140915, now seen corresponding path program 1 times [2021-12-18 16:14:10,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:10,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124191370] [2021-12-18 16:14:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:10,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:10,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:10,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124191370] [2021-12-18 16:14:10,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124191370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:10,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:10,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:10,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627927456] [2021-12-18 16:14:10,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:10,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:10,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:10,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:10,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:10,685 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) [2021-12-18 16:14:14,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:14,462 INFO L93 Difference]: Finished difference Result 3836 states and 5428 transitions. [2021-12-18 16:14:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:14,462 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 [2021-12-18 16:14:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:14,477 INFO L225 Difference]: With dead ends: 3836 [2021-12-18 16:14:14,478 INFO L226 Difference]: Without dead ends: 3834 [2021-12-18 16:14:14,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:14,479 INFO L933 BasicCegarLoop]: 2504 mSDtfsCounter, 4100 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4305 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 4516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:14,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4305 Valid, 5286 Invalid, 4516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 16:14:14,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-18 16:14:14,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3834. [2021-12-18 16:14:14,572 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) [2021-12-18 16:14:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3834 states and 5426 transitions. [2021-12-18 16:14:14,586 INFO L78 Accepts]: Start accepts. Automaton has 3834 states and 5426 transitions. Word has length 76 [2021-12-18 16:14:14,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:14,587 INFO L470 AbstractCegarLoop]: Abstraction has 3834 states and 5426 transitions. [2021-12-18 16:14:14,587 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) [2021-12-18 16:14:14,587 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 5426 transitions. [2021-12-18 16:14:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-18 16:14:14,589 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:14,589 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:14:14,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 16:14:14,589 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)] === [2021-12-18 16:14:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:14,590 INFO L85 PathProgramCache]: Analyzing trace with hash 359952700, now seen corresponding path program 1 times [2021-12-18 16:14:14,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:14,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66639043] [2021-12-18 16:14:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:14,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:14,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:14,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66639043] [2021-12-18 16:14:14,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66639043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:14,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:14,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:14,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267885683] [2021-12-18 16:14:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:14,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:14,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:14,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:14,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:14,774 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) [2021-12-18 16:14:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:18,587 INFO L93 Difference]: Finished difference Result 3834 states and 5426 transitions. [2021-12-18 16:14:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:18,587 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 [2021-12-18 16:14:18,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:18,604 INFO L225 Difference]: With dead ends: 3834 [2021-12-18 16:14:18,605 INFO L226 Difference]: Without dead ends: 3832 [2021-12-18 16:14:18,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:18,607 INFO L933 BasicCegarLoop]: 2502 mSDtfsCounter, 4094 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4298 SdHoareTripleChecker+Valid, 5284 SdHoareTripleChecker+Invalid, 4514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:18,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4298 Valid, 5284 Invalid, 4514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2150 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 16:14:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-12-18 16:14:18,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-12-18 16:14:18,705 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) [2021-12-18 16:14:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5424 transitions. [2021-12-18 16:14:18,718 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5424 transitions. Word has length 82 [2021-12-18 16:14:18,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:18,719 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5424 transitions. [2021-12-18 16:14:18,719 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) [2021-12-18 16:14:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5424 transitions. [2021-12-18 16:14:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-18 16:14:18,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:18,720 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] [2021-12-18 16:14:18,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 16:14:18,721 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)] === [2021-12-18 16:14:18,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:18,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1368284653, now seen corresponding path program 1 times [2021-12-18 16:14:18,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:18,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422070291] [2021-12-18 16:14:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:18,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:14:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:14:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:14:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:14:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:14:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:14:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 16:14:18,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:18,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422070291] [2021-12-18 16:14:18,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422070291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:18,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:18,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:14:18,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528199180] [2021-12-18 16:14:18,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:18,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:14:18,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:14:18,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:14:18,971 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) [2021-12-18 16:14:23,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:23,534 INFO L93 Difference]: Finished difference Result 7710 states and 11008 transitions. [2021-12-18 16:14:23,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:23,534 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 [2021-12-18 16:14:23,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:23,552 INFO L225 Difference]: With dead ends: 7710 [2021-12-18 16:14:23,552 INFO L226 Difference]: Without dead ends: 3897 [2021-12-18 16:14:23,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:14:23,566 INFO L933 BasicCegarLoop]: 2237 mSDtfsCounter, 5126 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2179 mSolverCounterSat, 3856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5364 SdHoareTripleChecker+Valid, 4230 SdHoareTripleChecker+Invalid, 6035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3856 IncrementalHoareTripleChecker+Valid, 2179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:23,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5364 Valid, 4230 Invalid, 6035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3856 Valid, 2179 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-18 16:14:23,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3897 states. [2021-12-18 16:14:23,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3897 to 3842. [2021-12-18 16:14:23,698 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) [2021-12-18 16:14:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5461 transitions. [2021-12-18 16:14:23,728 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5461 transitions. Word has length 93 [2021-12-18 16:14:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:23,729 INFO L470 AbstractCegarLoop]: Abstraction has 3842 states and 5461 transitions. [2021-12-18 16:14:23,729 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) [2021-12-18 16:14:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5461 transitions. [2021-12-18 16:14:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-18 16:14:23,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:23,730 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] [2021-12-18 16:14:23,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 16:14:23,731 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)] === [2021-12-18 16:14:23,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:23,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1812447352, now seen corresponding path program 1 times [2021-12-18 16:14:23,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:23,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677316905] [2021-12-18 16:14:23,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:23,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:23,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:23,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677316905] [2021-12-18 16:14:23,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677316905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:23,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:23,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:23,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184588157] [2021-12-18 16:14:23,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:23,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:23,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:23,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:23,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:23,899 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) [2021-12-18 16:14:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:27,119 INFO L93 Difference]: Finished difference Result 3842 states and 5461 transitions. [2021-12-18 16:14:27,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:27,120 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 [2021-12-18 16:14:27,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:27,135 INFO L225 Difference]: With dead ends: 3842 [2021-12-18 16:14:27,135 INFO L226 Difference]: Without dead ends: 3840 [2021-12-18 16:14:27,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:27,138 INFO L933 BasicCegarLoop]: 2495 mSDtfsCounter, 4083 mSDsluCounter, 2768 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:27,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4286 Valid, 5263 Invalid, 4511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 16:14:27,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3840 states. [2021-12-18 16:14:27,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3840 to 3840. [2021-12-18 16:14:27,250 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) [2021-12-18 16:14:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3840 states to 3840 states and 5459 transitions. [2021-12-18 16:14:27,261 INFO L78 Accepts]: Start accepts. Automaton has 3840 states and 5459 transitions. Word has length 88 [2021-12-18 16:14:27,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:27,261 INFO L470 AbstractCegarLoop]: Abstraction has 3840 states and 5459 transitions. [2021-12-18 16:14:27,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 16:14:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3840 states and 5459 transitions. [2021-12-18 16:14:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-18 16:14:27,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:27,262 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] [2021-12-18 16:14:27,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 16:14:27,262 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)] === [2021-12-18 16:14:27,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1211535740, now seen corresponding path program 1 times [2021-12-18 16:14:27,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:27,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462686282] [2021-12-18 16:14:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:27,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:14:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:14:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:14:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:14:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:14:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:14:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:14:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-18 16:14:27,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:27,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462686282] [2021-12-18 16:14:27,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462686282] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:14:27,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052187524] [2021-12-18 16:14:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:27,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:14:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:14:27,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:14:27,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 16:14:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:28,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 2929 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 16:14:28,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:14:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 16:14:28,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:14:28,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052187524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:28,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:14:28,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-18 16:14:28,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666192949] [2021-12-18 16:14:28,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:28,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 16:14:28,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:28,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 16:14:28,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:14:28,446 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) [2021-12-18 16:14:28,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:28,572 INFO L93 Difference]: Finished difference Result 7655 states and 10883 transitions. [2021-12-18 16:14:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 16:14:28,573 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 [2021-12-18 16:14:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:28,589 INFO L225 Difference]: With dead ends: 7655 [2021-12-18 16:14:28,589 INFO L226 Difference]: Without dead ends: 3834 [2021-12-18 16:14:28,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:14:28,602 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 [2021-12-18 16:14:28,602 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] [2021-12-18 16:14:28,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3834 states. [2021-12-18 16:14:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3834 to 3834. [2021-12-18 16:14:28,702 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) [2021-12-18 16:14:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3834 states to 3834 states and 5450 transitions. [2021-12-18 16:14:28,713 INFO L78 Accepts]: Start accepts. Automaton has 3834 states and 5450 transitions. Word has length 99 [2021-12-18 16:14:28,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:28,714 INFO L470 AbstractCegarLoop]: Abstraction has 3834 states and 5450 transitions. [2021-12-18 16:14:28,714 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) [2021-12-18 16:14:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 5450 transitions. [2021-12-18 16:14:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-18 16:14:28,715 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:28,715 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] [2021-12-18 16:14:28,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 16:14:28,936 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 [2021-12-18 16:14:28,937 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)] === [2021-12-18 16:14:28,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:28,937 INFO L85 PathProgramCache]: Analyzing trace with hash 930953978, now seen corresponding path program 1 times [2021-12-18 16:14:28,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:28,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440617636] [2021-12-18 16:14:28,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:28,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:29,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:29,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440617636] [2021-12-18 16:14:29,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440617636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:29,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:29,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:29,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575991010] [2021-12-18 16:14:29,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:29,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:29,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:29,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:29,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:29,082 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) [2021-12-18 16:14:32,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:32,672 INFO L93 Difference]: Finished difference Result 3834 states and 5450 transitions. [2021-12-18 16:14:32,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:32,672 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 [2021-12-18 16:14:32,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:32,683 INFO L225 Difference]: With dead ends: 3834 [2021-12-18 16:14:32,684 INFO L226 Difference]: Without dead ends: 3832 [2021-12-18 16:14:32,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:32,685 INFO L933 BasicCegarLoop]: 2488 mSDtfsCounter, 4072 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:32,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4274 Valid, 5242 Invalid, 4508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-18 16:14:32,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2021-12-18 16:14:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3832. [2021-12-18 16:14:32,805 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) [2021-12-18 16:14:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3832 states and 5448 transitions. [2021-12-18 16:14:32,816 INFO L78 Accepts]: Start accepts. Automaton has 3832 states and 5448 transitions. Word has length 94 [2021-12-18 16:14:32,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:32,817 INFO L470 AbstractCegarLoop]: Abstraction has 3832 states and 5448 transitions. [2021-12-18 16:14:32,817 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) [2021-12-18 16:14:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3832 states and 5448 transitions. [2021-12-18 16:14:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-18 16:14:32,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:32,820 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] [2021-12-18 16:14:32,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 16:14:32,820 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)] === [2021-12-18 16:14:32,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:32,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1529712966, now seen corresponding path program 1 times [2021-12-18 16:14:32,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:32,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535727241] [2021-12-18 16:14:32,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:32,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:32,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:32,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535727241] [2021-12-18 16:14:32,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535727241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:32,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:32,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:32,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502003595] [2021-12-18 16:14:32,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:32,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:32,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:32,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:32,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:32,974 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) [2021-12-18 16:14:36,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:36,419 INFO L93 Difference]: Finished difference Result 3832 states and 5448 transitions. [2021-12-18 16:14:36,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:36,419 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 [2021-12-18 16:14:36,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:36,431 INFO L225 Difference]: With dead ends: 3832 [2021-12-18 16:14:36,431 INFO L226 Difference]: Without dead ends: 3830 [2021-12-18 16:14:36,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:36,435 INFO L933 BasicCegarLoop]: 2486 mSDtfsCounter, 4066 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2142 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:36,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4267 Valid, 5240 Invalid, 4506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2142 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-18 16:14:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3830 states. [2021-12-18 16:14:36,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3830 to 3830. [2021-12-18 16:14:36,567 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) [2021-12-18 16:14:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3830 states and 5446 transitions. [2021-12-18 16:14:36,580 INFO L78 Accepts]: Start accepts. Automaton has 3830 states and 5446 transitions. Word has length 100 [2021-12-18 16:14:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:36,580 INFO L470 AbstractCegarLoop]: Abstraction has 3830 states and 5446 transitions. [2021-12-18 16:14:36,581 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) [2021-12-18 16:14:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 5446 transitions. [2021-12-18 16:14:36,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 16:14:36,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:36,583 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] [2021-12-18 16:14:36,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 16:14:36,584 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)] === [2021-12-18 16:14:36,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -537853222, now seen corresponding path program 1 times [2021-12-18 16:14:36,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:36,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539578191] [2021-12-18 16:14:36,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:36,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:14:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:36,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:36,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539578191] [2021-12-18 16:14:36,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539578191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:36,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:36,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:36,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490521866] [2021-12-18 16:14:36,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:36,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:36,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:36,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:36,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:36,757 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) [2021-12-18 16:14:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:40,449 INFO L93 Difference]: Finished difference Result 3830 states and 5446 transitions. [2021-12-18 16:14:40,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:40,449 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 [2021-12-18 16:14:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:40,460 INFO L225 Difference]: With dead ends: 3830 [2021-12-18 16:14:40,460 INFO L226 Difference]: Without dead ends: 3828 [2021-12-18 16:14:40,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:40,462 INFO L933 BasicCegarLoop]: 2484 mSDtfsCounter, 4064 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 5238 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:40,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4264 Valid, 5238 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-18 16:14:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3828 states. [2021-12-18 16:14:40,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3828 to 3828. [2021-12-18 16:14:40,596 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) [2021-12-18 16:14:40,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 5444 transitions. [2021-12-18 16:14:40,607 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 5444 transitions. Word has length 106 [2021-12-18 16:14:40,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:40,608 INFO L470 AbstractCegarLoop]: Abstraction has 3828 states and 5444 transitions. [2021-12-18 16:14:40,608 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) [2021-12-18 16:14:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 5444 transitions. [2021-12-18 16:14:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-18 16:14:40,609 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:40,609 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] [2021-12-18 16:14:40,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 16:14:40,610 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)] === [2021-12-18 16:14:40,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:40,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1480736035, now seen corresponding path program 1 times [2021-12-18 16:14:40,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:40,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072330893] [2021-12-18 16:14:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:40,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:14:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:40,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:40,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072330893] [2021-12-18 16:14:40,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072330893] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:40,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:40,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:40,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724695151] [2021-12-18 16:14:40,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:40,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:40,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:40,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:40,745 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) [2021-12-18 16:14:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:45,018 INFO L93 Difference]: Finished difference Result 3828 states and 5444 transitions. [2021-12-18 16:14:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:45,019 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 [2021-12-18 16:14:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:45,028 INFO L225 Difference]: With dead ends: 3828 [2021-12-18 16:14:45,029 INFO L226 Difference]: Without dead ends: 3826 [2021-12-18 16:14:45,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:45,030 INFO L933 BasicCegarLoop]: 2482 mSDtfsCounter, 4052 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:45,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4252 Valid, 5236 Invalid, 4502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 16:14:45,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3826 states. [2021-12-18 16:14:45,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3826 to 3826. [2021-12-18 16:14:45,157 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) [2021-12-18 16:14:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3826 states and 5442 transitions. [2021-12-18 16:14:45,168 INFO L78 Accepts]: Start accepts. Automaton has 3826 states and 5442 transitions. Word has length 108 [2021-12-18 16:14:45,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:45,171 INFO L470 AbstractCegarLoop]: Abstraction has 3826 states and 5442 transitions. [2021-12-18 16:14:45,171 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) [2021-12-18 16:14:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 5442 transitions. [2021-12-18 16:14:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-18 16:14:45,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:45,172 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] [2021-12-18 16:14:45,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 16:14:45,172 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)] === [2021-12-18 16:14:45,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1492485300, now seen corresponding path program 1 times [2021-12-18 16:14:45,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:45,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213391217] [2021-12-18 16:14:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:45,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:14:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:14:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:45,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:45,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213391217] [2021-12-18 16:14:45,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213391217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:45,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:45,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:45,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618234972] [2021-12-18 16:14:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:45,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:45,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:45,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:45,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:45,320 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) [2021-12-18 16:14:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:49,127 INFO L93 Difference]: Finished difference Result 3826 states and 5442 transitions. [2021-12-18 16:14:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:49,127 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 [2021-12-18 16:14:49,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:49,139 INFO L225 Difference]: With dead ends: 3826 [2021-12-18 16:14:49,139 INFO L226 Difference]: Without dead ends: 3824 [2021-12-18 16:14:49,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:49,141 INFO L933 BasicCegarLoop]: 2480 mSDtfsCounter, 4048 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 5234 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:49,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4247 Valid, 5234 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-18 16:14:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3824 states. [2021-12-18 16:14:49,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3824 to 3824. [2021-12-18 16:14:49,332 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) [2021-12-18 16:14:49,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3824 states and 5440 transitions. [2021-12-18 16:14:49,344 INFO L78 Accepts]: Start accepts. Automaton has 3824 states and 5440 transitions. Word has length 114 [2021-12-18 16:14:49,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:49,344 INFO L470 AbstractCegarLoop]: Abstraction has 3824 states and 5440 transitions. [2021-12-18 16:14:49,344 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) [2021-12-18 16:14:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 3824 states and 5440 transitions. [2021-12-18 16:14:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-18 16:14:49,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:49,346 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] [2021-12-18 16:14:49,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 16:14:49,346 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)] === [2021-12-18 16:14:49,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:49,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1227002203, now seen corresponding path program 1 times [2021-12-18 16:14:49,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:49,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697236305] [2021-12-18 16:14:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:49,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:14:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:14:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:14:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:14:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:14:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:14:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:14:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:14:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:14:49,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:49,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697236305] [2021-12-18 16:14:49,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697236305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:49,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:49,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:49,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435000079] [2021-12-18 16:14:49,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:49,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:49,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:49,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:49,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:49,523 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) [2021-12-18 16:14:53,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:53,640 INFO L93 Difference]: Finished difference Result 3824 states and 5440 transitions. [2021-12-18 16:14:53,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:14:53,640 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 [2021-12-18 16:14:53,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:53,654 INFO L225 Difference]: With dead ends: 3824 [2021-12-18 16:14:53,654 INFO L226 Difference]: Without dead ends: 3822 [2021-12-18 16:14:53,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:14:53,658 INFO L933 BasicCegarLoop]: 2478 mSDtfsCounter, 4042 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:53,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4240 Valid, 5232 Invalid, 4498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 16:14:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3822 states. [2021-12-18 16:14:53,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3822 to 3822. [2021-12-18 16:14:53,861 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) [2021-12-18 16:14:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3822 states to 3822 states and 5438 transitions. [2021-12-18 16:14:53,874 INFO L78 Accepts]: Start accepts. Automaton has 3822 states and 5438 transitions. Word has length 120 [2021-12-18 16:14:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:53,875 INFO L470 AbstractCegarLoop]: Abstraction has 3822 states and 5438 transitions. [2021-12-18 16:14:53,875 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) [2021-12-18 16:14:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3822 states and 5438 transitions. [2021-12-18 16:14:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-18 16:14:53,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:53,877 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] [2021-12-18 16:14:53,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 16:14:53,878 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)] === [2021-12-18 16:14:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash -2049261969, now seen corresponding path program 1 times [2021-12-18 16:14:53,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:53,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391051288] [2021-12-18 16:14:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:14:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:14:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:14:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:14:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:14:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:14:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:14:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:14:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:14:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:14:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:14:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:14:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:14:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 16:14:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-18 16:14:54,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:54,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391051288] [2021-12-18 16:14:54,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391051288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:54,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:54,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 16:14:54,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505896002] [2021-12-18 16:14:54,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:54,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:14:54,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:54,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:14:54,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 16:14:54,129 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) [2021-12-18 16:15:03,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:03,250 INFO L93 Difference]: Finished difference Result 3951 states and 5643 transitions. [2021-12-18 16:15:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 16:15:03,251 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 [2021-12-18 16:15:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:03,275 INFO L225 Difference]: With dead ends: 3951 [2021-12-18 16:15:03,275 INFO L226 Difference]: Without dead ends: 3949 [2021-12-18 16:15:03,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-12-18 16:15:03,279 INFO L933 BasicCegarLoop]: 2472 mSDtfsCounter, 3834 mSDsluCounter, 5473 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 2838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 7945 SdHoareTripleChecker+Invalid, 8016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2838 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:03,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 7945 Invalid, 8016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2838 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-12-18 16:15:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3949 states. [2021-12-18 16:15:03,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3949 to 3898. [2021-12-18 16:15:03,409 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) [2021-12-18 16:15:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 5497 transitions. [2021-12-18 16:15:03,421 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 5497 transitions. Word has length 167 [2021-12-18 16:15:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:03,422 INFO L470 AbstractCegarLoop]: Abstraction has 3898 states and 5497 transitions. [2021-12-18 16:15:03,422 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) [2021-12-18 16:15:03,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 5497 transitions. [2021-12-18 16:15:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 16:15:03,423 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:03,423 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] [2021-12-18 16:15:03,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 16:15:03,424 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)] === [2021-12-18 16:15:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2142957468, now seen corresponding path program 1 times [2021-12-18 16:15:03,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:03,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14424786] [2021-12-18 16:15:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:03,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:15:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:15:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:15:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:15:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:15:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:15:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:15:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:15:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:15:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:15:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:15:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:15:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:15:03,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:03,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14424786] [2021-12-18 16:15:03,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14424786] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:03,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:03,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:15:03,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713250986] [2021-12-18 16:15:03,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:03,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:15:03,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:03,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:15:03,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:15:03,596 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) [2021-12-18 16:15:07,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:07,966 INFO L93 Difference]: Finished difference Result 3898 states and 5497 transitions. [2021-12-18 16:15:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:15:07,967 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 [2021-12-18 16:15:07,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:07,975 INFO L225 Difference]: With dead ends: 3898 [2021-12-18 16:15:07,975 INFO L226 Difference]: Without dead ends: 3896 [2021-12-18 16:15:07,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:15:07,979 INFO L933 BasicCegarLoop]: 2474 mSDtfsCounter, 4030 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2130 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:07,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 5228 Invalid, 4494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2364 Valid, 2130 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-18 16:15:07,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2021-12-18 16:15:08,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3896. [2021-12-18 16:15:08,120 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) [2021-12-18 16:15:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5495 transitions. [2021-12-18 16:15:08,133 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5495 transitions. Word has length 126 [2021-12-18 16:15:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:08,134 INFO L470 AbstractCegarLoop]: Abstraction has 3896 states and 5495 transitions. [2021-12-18 16:15:08,134 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) [2021-12-18 16:15:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5495 transitions. [2021-12-18 16:15:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-18 16:15:08,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:08,135 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] [2021-12-18 16:15:08,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 16:15:08,136 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)] === [2021-12-18 16:15:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:08,136 INFO L85 PathProgramCache]: Analyzing trace with hash -641375875, now seen corresponding path program 1 times [2021-12-18 16:15:08,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:08,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154998235] [2021-12-18 16:15:08,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:08,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:15:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:15:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:15:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:15:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:15:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:15:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:15:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:15:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:15:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:15:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:15:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:15:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:15:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:15:08,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:08,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154998235] [2021-12-18 16:15:08,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154998235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:08,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:08,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:15:08,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407896006] [2021-12-18 16:15:08,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:08,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:15:08,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:08,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:15:08,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:15:08,312 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) [2021-12-18 16:15:12,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:12,631 INFO L93 Difference]: Finished difference Result 3896 states and 5495 transitions. [2021-12-18 16:15:12,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:15:12,632 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 [2021-12-18 16:15:12,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:12,638 INFO L225 Difference]: With dead ends: 3896 [2021-12-18 16:15:12,639 INFO L226 Difference]: Without dead ends: 3894 [2021-12-18 16:15:12,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:15:12,641 INFO L933 BasicCegarLoop]: 2472 mSDtfsCounter, 4024 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:12,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4220 Valid, 5226 Invalid, 4492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-18 16:15:12,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3894 states. [2021-12-18 16:15:12,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3894 to 3894. [2021-12-18 16:15:12,777 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) [2021-12-18 16:15:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3894 states and 5493 transitions. [2021-12-18 16:15:12,790 INFO L78 Accepts]: Start accepts. Automaton has 3894 states and 5493 transitions. Word has length 132 [2021-12-18 16:15:12,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:12,791 INFO L470 AbstractCegarLoop]: Abstraction has 3894 states and 5493 transitions. [2021-12-18 16:15:12,791 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) [2021-12-18 16:15:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 5493 transitions. [2021-12-18 16:15:12,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 16:15:12,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:12,793 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] [2021-12-18 16:15:12,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 16:15:12,793 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)] === [2021-12-18 16:15:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:12,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1848096028, now seen corresponding path program 1 times [2021-12-18 16:15:12,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:12,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526493253] [2021-12-18 16:15:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:12,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:15:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:15:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:15:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:15:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:15:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:15:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:15:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:15:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:15:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:15:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:15:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:15:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:15:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:15:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:15:12,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:12,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526493253] [2021-12-18 16:15:12,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526493253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:12,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:12,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:15:12,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419081186] [2021-12-18 16:15:12,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:12,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:15:12,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:12,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:15:12,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:15:12,942 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) [2021-12-18 16:15:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:17,125 INFO L93 Difference]: Finished difference Result 3894 states and 5493 transitions. [2021-12-18 16:15:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:15:17,126 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 [2021-12-18 16:15:17,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:17,140 INFO L225 Difference]: With dead ends: 3894 [2021-12-18 16:15:17,140 INFO L226 Difference]: Without dead ends: 3892 [2021-12-18 16:15:17,141 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 [2021-12-18 16:15:17,142 INFO L933 BasicCegarLoop]: 2470 mSDtfsCounter, 4018 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4213 SdHoareTripleChecker+Valid, 5224 SdHoareTripleChecker+Invalid, 4490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:17,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4213 Valid, 5224 Invalid, 4490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-18 16:15:17,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3892 states. [2021-12-18 16:15:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3892 to 3892. [2021-12-18 16:15:17,316 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) [2021-12-18 16:15:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5491 transitions. [2021-12-18 16:15:17,330 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5491 transitions. Word has length 138 [2021-12-18 16:15:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:17,330 INFO L470 AbstractCegarLoop]: Abstraction has 3892 states and 5491 transitions. [2021-12-18 16:15:17,330 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) [2021-12-18 16:15:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5491 transitions. [2021-12-18 16:15:17,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-18 16:15:17,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:17,332 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] [2021-12-18 16:15:17,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 16:15:17,333 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)] === [2021-12-18 16:15:17,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash -949863955, now seen corresponding path program 1 times [2021-12-18 16:15:17,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:17,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287134996] [2021-12-18 16:15:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:17,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:15:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:15:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:15:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:15:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:15:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:15:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:15:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:15:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:15:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:15:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 16:15:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 16:15:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:15:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 16:15:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 16:15:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 16:15:17,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:17,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287134996] [2021-12-18 16:15:17,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287134996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:17,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:17,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-18 16:15:17,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144594364] [2021-12-18 16:15:17,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:17,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-18 16:15:17,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:17,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-18 16:15:17,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2021-12-18 16:15:17,849 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) [2021-12-18 16:15:49,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:49,551 INFO L93 Difference]: Finished difference Result 9450 states and 13608 transitions. [2021-12-18 16:15:49,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-18 16:15:49,551 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 [2021-12-18 16:15:49,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:49,580 INFO L225 Difference]: With dead ends: 9450 [2021-12-18 16:15:49,581 INFO L226 Difference]: Without dead ends: 5575 [2021-12-18 16:15:49,594 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 [2021-12-18 16:15:49,595 INFO L933 BasicCegarLoop]: 3761 mSDtfsCounter, 6049 mSDsluCounter, 35684 mSDsCounter, 0 mSdLazyCounter, 21586 mSolverCounterSat, 4451 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6226 SdHoareTripleChecker+Valid, 39445 SdHoareTripleChecker+Invalid, 26037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4451 IncrementalHoareTripleChecker+Valid, 21586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:49,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6226 Valid, 39445 Invalid, 26037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4451 Valid, 21586 Invalid, 0 Unknown, 0 Unchecked, 30.7s Time] [2021-12-18 16:15:49,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2021-12-18 16:15:49,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 3926. [2021-12-18 16:15:49,801 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) [2021-12-18 16:15:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3926 states to 3926 states and 5535 transitions. [2021-12-18 16:15:49,816 INFO L78 Accepts]: Start accepts. Automaton has 3926 states and 5535 transitions. Word has length 157 [2021-12-18 16:15:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:49,816 INFO L470 AbstractCegarLoop]: Abstraction has 3926 states and 5535 transitions. [2021-12-18 16:15:49,817 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) [2021-12-18 16:15:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 5535 transitions. [2021-12-18 16:15:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-18 16:15:49,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:49,819 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] [2021-12-18 16:15:49,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 16:15:49,820 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)] === [2021-12-18 16:15:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2098317739, now seen corresponding path program 1 times [2021-12-18 16:15:49,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:49,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248539726] [2021-12-18 16:15:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:49,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:15:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:15:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:15:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:15:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:15:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:15:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:15:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:15:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:15:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:15:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:15:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:15:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:15:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:15:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:15:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:15:50,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:50,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248539726] [2021-12-18 16:15:50,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248539726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:50,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:50,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:15:50,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531596782] [2021-12-18 16:15:50,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:50,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:15:50,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:50,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:15:50,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:15:50,014 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) [2021-12-18 16:15:54,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:54,786 INFO L93 Difference]: Finished difference Result 3926 states and 5535 transitions. [2021-12-18 16:15:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:15:54,787 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 [2021-12-18 16:15:54,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:54,797 INFO L225 Difference]: With dead ends: 3926 [2021-12-18 16:15:54,797 INFO L226 Difference]: Without dead ends: 3924 [2021-12-18 16:15:54,799 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 [2021-12-18 16:15:54,799 INFO L933 BasicCegarLoop]: 2468 mSDtfsCounter, 4012 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:54,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4206 Valid, 5222 Invalid, 4488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 16:15:54,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3924 states. [2021-12-18 16:15:54,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3924 to 3924. [2021-12-18 16:15:54,975 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) [2021-12-18 16:15:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5533 transitions. [2021-12-18 16:15:54,987 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5533 transitions. Word has length 144 [2021-12-18 16:15:54,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:54,988 INFO L470 AbstractCegarLoop]: Abstraction has 3924 states and 5533 transitions. [2021-12-18 16:15:54,988 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) [2021-12-18 16:15:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5533 transitions. [2021-12-18 16:15:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-18 16:15:54,989 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:54,990 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] [2021-12-18 16:15:54,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 16:15:54,990 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)] === [2021-12-18 16:15:54,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:54,990 INFO L85 PathProgramCache]: Analyzing trace with hash -632400101, now seen corresponding path program 1 times [2021-12-18 16:15:54,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:54,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19058768] [2021-12-18 16:15:54,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:54,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:15:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:15:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:15:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:15:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:15:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:15:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:15:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:15:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 16:15:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:15:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 16:15:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 16:15:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:15:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:15:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-18 16:15:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 16:15:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-18 16:15:55,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:55,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19058768] [2021-12-18 16:15:55,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19058768] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:15:55,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982399609] [2021-12-18 16:15:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:55,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:15:55,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:15:55,443 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) [2021-12-18 16:15:55,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 16:15:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:56,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 3177 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-18 16:15:56,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:15:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-12-18 16:15:56,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:15:56,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982399609] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:56,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:15:56,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [13] total 25 [2021-12-18 16:15:56,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619435669] [2021-12-18 16:15:56,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:56,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 16:15:56,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:56,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 16:15:56,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2021-12-18 16:15:56,652 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) [2021-12-18 16:15:58,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:58,009 INFO L93 Difference]: Finished difference Result 8967 states and 12769 transitions. [2021-12-18 16:15:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-18 16:15:58,010 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 [2021-12-18 16:15:58,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:58,026 INFO L225 Difference]: With dead ends: 8967 [2021-12-18 16:15:58,026 INFO L226 Difference]: Without dead ends: 5060 [2021-12-18 16:15:58,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 191 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=1133, Unknown=0, NotChecked=0, Total=1260 [2021-12-18 16:15:58,049 INFO L933 BasicCegarLoop]: 3607 mSDtfsCounter, 2986 mSDsluCounter, 46481 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 1078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:58,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2991 Valid, 50088 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1078 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-18 16:15:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2021-12-18 16:15:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 3942. [2021-12-18 16:15:58,329 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) [2021-12-18 16:15:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3942 states and 5560 transitions. [2021-12-18 16:15:58,342 INFO L78 Accepts]: Start accepts. Automaton has 3942 states and 5560 transitions. Word has length 159 [2021-12-18 16:15:58,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:58,342 INFO L470 AbstractCegarLoop]: Abstraction has 3942 states and 5560 transitions. [2021-12-18 16:15:58,343 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) [2021-12-18 16:15:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 3942 states and 5560 transitions. [2021-12-18 16:15:58,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-18 16:15:58,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:58,344 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] [2021-12-18 16:15:58,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 16:15:58,563 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 [2021-12-18 16:15:58,563 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)] === [2021-12-18 16:15:58,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:58,564 INFO L85 PathProgramCache]: Analyzing trace with hash 25967387, now seen corresponding path program 1 times [2021-12-18 16:15:58,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:58,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232270568] [2021-12-18 16:15:58,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:58,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:15:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:15:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:15:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:15:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:15:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:15:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:15:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:15:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:15:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:15:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:15:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:15:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:15:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:15:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:15:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:15:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:15:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:15:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:15:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:15:58,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:58,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232270568] [2021-12-18 16:15:58,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232270568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:58,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:58,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:15:58,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644079093] [2021-12-18 16:15:58,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:58,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:15:58,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:58,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:15:58,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:15:58,748 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) [2021-12-18 16:16:03,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:03,563 INFO L93 Difference]: Finished difference Result 3942 states and 5560 transitions. [2021-12-18 16:16:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:03,564 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 [2021-12-18 16:16:03,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:03,623 INFO L225 Difference]: With dead ends: 3942 [2021-12-18 16:16:03,623 INFO L226 Difference]: Without dead ends: 3940 [2021-12-18 16:16:03,624 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 [2021-12-18 16:16:03,628 INFO L933 BasicCegarLoop]: 2466 mSDtfsCounter, 4006 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4199 SdHoareTripleChecker+Valid, 5220 SdHoareTripleChecker+Invalid, 4486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:03,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4199 Valid, 5220 Invalid, 4486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-18 16:16:03,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2021-12-18 16:16:03,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3940. [2021-12-18 16:16:03,835 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) [2021-12-18 16:16:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3940 states and 5558 transitions. [2021-12-18 16:16:03,848 INFO L78 Accepts]: Start accepts. Automaton has 3940 states and 5558 transitions. Word has length 150 [2021-12-18 16:16:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:03,848 INFO L470 AbstractCegarLoop]: Abstraction has 3940 states and 5558 transitions. [2021-12-18 16:16:03,848 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) [2021-12-18 16:16:03,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3940 states and 5558 transitions. [2021-12-18 16:16:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-18 16:16:03,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:03,850 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] [2021-12-18 16:16:03,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 16:16:03,850 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)] === [2021-12-18 16:16:03,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1053300931, now seen corresponding path program 1 times [2021-12-18 16:16:03,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:03,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031199483] [2021-12-18 16:16:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:03,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:16:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:16:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:16:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:16:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:16:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:16:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:16:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:16:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:16:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:16:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:16:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:16:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:16:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:16:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:16:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:16:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:16:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:16:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:16:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:16:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:04,026 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:16:04,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:04,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031199483] [2021-12-18 16:16:04,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031199483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:04,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:16:04,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:16:04,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475157320] [2021-12-18 16:16:04,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:04,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:16:04,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:04,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:16:04,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:16:04,028 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) [2021-12-18 16:16:08,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:08,812 INFO L93 Difference]: Finished difference Result 3940 states and 5558 transitions. [2021-12-18 16:16:08,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:08,814 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 [2021-12-18 16:16:08,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:08,822 INFO L225 Difference]: With dead ends: 3940 [2021-12-18 16:16:08,823 INFO L226 Difference]: Without dead ends: 3938 [2021-12-18 16:16:08,825 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 [2021-12-18 16:16:08,826 INFO L933 BasicCegarLoop]: 2464 mSDtfsCounter, 4000 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 5218 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:08,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4192 Valid, 5218 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-18 16:16:08,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2021-12-18 16:16:09,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3938. [2021-12-18 16:16:09,032 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) [2021-12-18 16:16:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5556 transitions. [2021-12-18 16:16:09,044 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5556 transitions. Word has length 156 [2021-12-18 16:16:09,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:09,045 INFO L470 AbstractCegarLoop]: Abstraction has 3938 states and 5556 transitions. [2021-12-18 16:16:09,045 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) [2021-12-18 16:16:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5556 transitions. [2021-12-18 16:16:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 16:16:09,047 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:09,047 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] [2021-12-18 16:16:09,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 16:16:09,047 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)] === [2021-12-18 16:16:09,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1774312563, now seen corresponding path program 1 times [2021-12-18 16:16:09,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:09,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500768044] [2021-12-18 16:16:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:09,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:16:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:16:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:16:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:16:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:16:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 16:16:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 16:16:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:16:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 16:16:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 16:16:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 16:16:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 16:16:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-18 16:16:09,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:09,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500768044] [2021-12-18 16:16:09,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500768044] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:16:09,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408747869] [2021-12-18 16:16:09,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:09,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:16:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:16:09,372 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) [2021-12-18 16:16:09,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 16:16:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:10,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 3392 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 16:16:10,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:16:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2021-12-18 16:16:10,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:16:10,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408747869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:10,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:16:10,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 13 [2021-12-18 16:16:10,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462100458] [2021-12-18 16:16:10,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:10,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:16:10,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:10,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:16:10,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-18 16:16:10,557 INFO L87 Difference]: Start difference. First operand 3938 states and 5556 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 16:16:10,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:10,827 INFO L93 Difference]: Finished difference Result 7875 states and 11194 transitions. [2021-12-18 16:16:10,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:10,829 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) Word has length 200 [2021-12-18 16:16:10,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:10,847 INFO L225 Difference]: With dead ends: 7875 [2021-12-18 16:16:10,848 INFO L226 Difference]: Without dead ends: 3956 [2021-12-18 16:16:10,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 260 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-18 16:16:10,858 INFO L933 BasicCegarLoop]: 2789 mSDtfsCounter, 3 mSDsluCounter, 13939 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16728 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 [2021-12-18 16:16:10,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 16728 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:16:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3956 states. [2021-12-18 16:16:11,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3956 to 3951. [2021-12-18 16:16:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3951 states, 2700 states have (on average 1.262962962962963) internal successors, (3410), 2785 states have internal predecessors, (3410), 1044 states have call successors, (1044), 188 states have call predecessors, (1044), 198 states have return successors, (1125), 1029 states have call predecessors, (1125), 1042 states have call successors, (1125) [2021-12-18 16:16:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 5579 transitions. [2021-12-18 16:16:11,080 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 5579 transitions. Word has length 200 [2021-12-18 16:16:11,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:11,081 INFO L470 AbstractCegarLoop]: Abstraction has 3951 states and 5579 transitions. [2021-12-18 16:16:11,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 4 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 16:16:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 5579 transitions. [2021-12-18 16:16:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-18 16:16:11,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:11,083 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:16:11,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 16:16:11,290 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 [2021-12-18 16:16:11,291 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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)] === [2021-12-18 16:16:11,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:11,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1500626677, now seen corresponding path program 1 times [2021-12-18 16:16:11,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:11,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145673756] [2021-12-18 16:16:11,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:11,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:16:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:16:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:16:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:16:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:16:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 16:16:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 16:16:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:16:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:16:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:16:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:16:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 16:16:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 16:16:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-18 16:16:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 16:16:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-12-18 16:16:11,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:11,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145673756] [2021-12-18 16:16:11,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145673756] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:16:11,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195752874] [2021-12-18 16:16:11,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:11,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:16:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:16:11,628 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) [2021-12-18 16:16:11,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 16:16:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:12,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 3444 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 16:16:12,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:16:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 104 proven. 5 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-18 16:16:12,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:16:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-12-18 16:16:13,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195752874] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:16:13,199 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:16:13,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 18 [2021-12-18 16:16:13,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378942444] [2021-12-18 16:16:13,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:16:13,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-18 16:16:13,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:13,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-18 16:16:13,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2021-12-18 16:16:13,200 INFO L87 Difference]: Start difference. First operand 3951 states and 5579 transitions. Second operand has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (39), 10 states have call predecessors, (39), 5 states have call successors, (39) [2021-12-18 16:16:43,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:43,568 INFO L93 Difference]: Finished difference Result 7993 states and 11431 transitions. [2021-12-18 16:16:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 16:16:43,568 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (39), 10 states have call predecessors, (39), 5 states have call successors, (39) Word has length 216 [2021-12-18 16:16:43,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:43,582 INFO L225 Difference]: With dead ends: 7993 [2021-12-18 16:16:43,583 INFO L226 Difference]: Without dead ends: 4061 [2021-12-18 16:16:43,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 496 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=838, Unknown=0, NotChecked=0, Total=992 [2021-12-18 16:16:43,593 INFO L933 BasicCegarLoop]: 2457 mSDtfsCounter, 2691 mSDsluCounter, 15529 mSDsCounter, 0 mSdLazyCounter, 15054 mSolverCounterSat, 2530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2691 SdHoareTripleChecker+Valid, 17986 SdHoareTripleChecker+Invalid, 17584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2530 IncrementalHoareTripleChecker+Valid, 15054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:43,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2691 Valid, 17986 Invalid, 17584 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2530 Valid, 15054 Invalid, 0 Unknown, 0 Unchecked, 29.7s Time] [2021-12-18 16:16:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4061 states. [2021-12-18 16:16:43,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4061 to 3959. [2021-12-18 16:16:43,794 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) [2021-12-18 16:16:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3959 states and 5595 transitions. [2021-12-18 16:16:43,810 INFO L78 Accepts]: Start accepts. Automaton has 3959 states and 5595 transitions. Word has length 216 [2021-12-18 16:16:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:43,811 INFO L470 AbstractCegarLoop]: Abstraction has 3959 states and 5595 transitions. [2021-12-18 16:16:43,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (39), 10 states have call predecessors, (39), 5 states have call successors, (39) [2021-12-18 16:16:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 5595 transitions. [2021-12-18 16:16:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-18 16:16:43,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:43,813 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] [2021-12-18 16:16:43,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-18 16:16:44,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:16:44,036 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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)] === [2021-12-18 16:16:44,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash 983843933, now seen corresponding path program 1 times [2021-12-18 16:16:44,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:44,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033028268] [2021-12-18 16:16:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:16:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:16:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:16:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:16:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:16:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:16:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:16:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:16:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:16:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:16:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:16:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:16:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:16:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:16:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:16:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:16:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:16:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:16:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:16:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:16:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:16:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:16:44,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:44,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033028268] [2021-12-18 16:16:44,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033028268] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:44,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:16:44,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:16:44,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669522855] [2021-12-18 16:16:44,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:44,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:16:44,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:44,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:16:44,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:16:44,288 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) [2021-12-18 16:16:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:49,449 INFO L93 Difference]: Finished difference Result 3959 states and 5595 transitions. [2021-12-18 16:16:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:49,449 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 [2021-12-18 16:16:49,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:49,465 INFO L225 Difference]: With dead ends: 3959 [2021-12-18 16:16:49,465 INFO L226 Difference]: Without dead ends: 3957 [2021-12-18 16:16:49,468 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 [2021-12-18 16:16:49,469 INFO L933 BasicCegarLoop]: 2462 mSDtfsCounter, 3994 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2118 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:49,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4185 Valid, 5216 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2118 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 16:16:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2021-12-18 16:16:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3957. [2021-12-18 16:16:49,706 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) [2021-12-18 16:16:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5593 transitions. [2021-12-18 16:16:49,719 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5593 transitions. Word has length 162 [2021-12-18 16:16:49,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:49,720 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5593 transitions. [2021-12-18 16:16:49,720 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) [2021-12-18 16:16:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5593 transitions. [2021-12-18 16:16:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-18 16:16:49,722 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:49,722 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] [2021-12-18 16:16:49,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 16:16:49,722 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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)] === [2021-12-18 16:16:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:49,723 INFO L85 PathProgramCache]: Analyzing trace with hash -308015656, now seen corresponding path program 1 times [2021-12-18 16:16:49,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:49,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416253477] [2021-12-18 16:16:49,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:49,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:16:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:16:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:16:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:16:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:16:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:16:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:16:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:16:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:16:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:16:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:16:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:16:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:16:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:16:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:16:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:16:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:16:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:16:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:16:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:16:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:16:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:16:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:49,932 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:16:49,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:49,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416253477] [2021-12-18 16:16:49,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416253477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:49,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:16:49,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:16:49,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386354960] [2021-12-18 16:16:49,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:49,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:16:49,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:49,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:16:49,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:16:49,934 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) [2021-12-18 16:16:54,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:54,995 INFO L93 Difference]: Finished difference Result 3957 states and 5593 transitions. [2021-12-18 16:16:54,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:54,995 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 [2021-12-18 16:16:54,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:55,008 INFO L225 Difference]: With dead ends: 3957 [2021-12-18 16:16:55,009 INFO L226 Difference]: Without dead ends: 3955 [2021-12-18 16:16:55,011 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 [2021-12-18 16:16:55,012 INFO L933 BasicCegarLoop]: 2460 mSDtfsCounter, 3988 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4178 SdHoareTripleChecker+Valid, 5214 SdHoareTripleChecker+Invalid, 4480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2364 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:55,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4178 Valid, 5214 Invalid, 4480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-18 16:16:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2021-12-18 16:16:55,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3955. [2021-12-18 16:16:55,309 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) [2021-12-18 16:16:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 5591 transitions. [2021-12-18 16:16:55,330 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 5591 transitions. Word has length 168 [2021-12-18 16:16:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:55,331 INFO L470 AbstractCegarLoop]: Abstraction has 3955 states and 5591 transitions. [2021-12-18 16:16:55,331 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) [2021-12-18 16:16:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 5591 transitions. [2021-12-18 16:16:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-18 16:16:55,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:55,342 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] [2021-12-18 16:16:55,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 16:16:55,343 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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)] === [2021-12-18 16:16:55,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1498156997, now seen corresponding path program 2 times [2021-12-18 16:16:55,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:55,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102608317] [2021-12-18 16:16:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:55,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:16:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:16:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:16:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:16:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:16:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:16:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 16:16:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:16:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:16:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:16:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:16:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:16:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:16:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:16:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 16:16:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:16:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:16:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:16:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 16:16:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 16:16:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 16:16:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 16:16:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2021-12-18 16:16:55,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:55,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102608317] [2021-12-18 16:16:55,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102608317] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:16:55,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289885193] [2021-12-18 16:16:55,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 16:16:55,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:16:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:16:55,817 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) [2021-12-18 16:16:55,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-18 16:16:56,734 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 16:16:56,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:16:56,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 3548 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 16:16:56,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:16:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-12-18 16:16:57,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:16:57,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289885193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:57,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:16:57,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 11 [2021-12-18 16:16:57,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568518916] [2021-12-18 16:16:57,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:57,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:16:57,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:57,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:16:57,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:16:57,122 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) [2021-12-18 16:16:57,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:57,414 INFO L93 Difference]: Finished difference Result 7907 states and 11252 transitions. [2021-12-18 16:16:57,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:16:57,417 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 [2021-12-18 16:16:57,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:57,428 INFO L225 Difference]: With dead ends: 7907 [2021-12-18 16:16:57,428 INFO L226 Difference]: Without dead ends: 3971 [2021-12-18 16:16:57,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 326 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:16:57,438 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 [2021-12-18 16:16:57,438 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] [2021-12-18 16:16:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3971 states. [2021-12-18 16:16:57,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3971 to 3968. [2021-12-18 16:16:57,635 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) [2021-12-18 16:16:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5607 transitions. [2021-12-18 16:16:57,651 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5607 transitions. Word has length 248 [2021-12-18 16:16:57,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:57,651 INFO L470 AbstractCegarLoop]: Abstraction has 3968 states and 5607 transitions. [2021-12-18 16:16:57,652 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) [2021-12-18 16:16:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5607 transitions. [2021-12-18 16:16:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 16:16:57,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:57,654 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] [2021-12-18 16:16:57,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-18 16:16:57,873 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,SelfDestructingSolverStorable26 [2021-12-18 16:16:57,874 INFO L402 AbstractCegarLoop]: === Iteration 28 === 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)] === [2021-12-18 16:16:57,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 737488357, now seen corresponding path program 1 times [2021-12-18 16:16:57,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:57,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719879653] [2021-12-18 16:16:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:57,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:16:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:16:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:16:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:16:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:16:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:16:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:16:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:16:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:16:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:16:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:16:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:57,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:16:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:16:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:16:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:16:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:16:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:16:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:16:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:16:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:16:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:16:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:16:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:16:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:16:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 16:16:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:16:58,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:58,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719879653] [2021-12-18 16:16:58,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719879653] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:58,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:16:58,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:16:58,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382206740] [2021-12-18 16:16:58,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:58,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:16:58,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:58,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:16:58,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:16:58,052 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) [2021-12-18 16:17:02,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:17:02,652 INFO L93 Difference]: Finished difference Result 3968 states and 5607 transitions. [2021-12-18 16:17:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:17:02,652 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 [2021-12-18 16:17:02,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:17:02,693 INFO L225 Difference]: With dead ends: 3968 [2021-12-18 16:17:02,693 INFO L226 Difference]: Without dead ends: 3966 [2021-12-18 16:17:02,695 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 [2021-12-18 16:17:02,696 INFO L933 BasicCegarLoop]: 2458 mSDtfsCounter, 3982 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:17:02,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4171 Valid, 5212 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 16:17:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3966 states. [2021-12-18 16:17:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3966 to 3966. [2021-12-18 16:17:02,903 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) [2021-12-18 16:17:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3966 states and 5605 transitions. [2021-12-18 16:17:02,918 INFO L78 Accepts]: Start accepts. Automaton has 3966 states and 5605 transitions. Word has length 174 [2021-12-18 16:17:02,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:17:02,918 INFO L470 AbstractCegarLoop]: Abstraction has 3966 states and 5605 transitions. [2021-12-18 16:17:02,918 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) [2021-12-18 16:17:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3966 states and 5605 transitions. [2021-12-18 16:17:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-18 16:17:02,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:17:02,921 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] [2021-12-18 16:17:02,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-18 16:17:02,921 INFO L402 AbstractCegarLoop]: === Iteration 29 === 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)] === [2021-12-18 16:17:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:17:02,921 INFO L85 PathProgramCache]: Analyzing trace with hash 729422139, now seen corresponding path program 3 times [2021-12-18 16:17:02,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:17:02,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368503028] [2021-12-18 16:17:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:17:02,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:17:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:17:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:17:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:17:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:17:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:17:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:17:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:17:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:17:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:17:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:17:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 16:17:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:17:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:17:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:17:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:17:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:17:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:17:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 16:17:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:17:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:17:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:17:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 16:17:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:17:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:17:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:17:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 16:17:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 16:17:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 16:17:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:17:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:17:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:17:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2021-12-18 16:17:03,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:17:03,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368503028] [2021-12-18 16:17:03,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368503028] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:17:03,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407998184] [2021-12-18 16:17:03,386 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 16:17:03,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:17:03,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:17:03,393 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) [2021-12-18 16:17:03,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-18 16:17:04,080 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-18 16:17:04,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:17:04,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-18 16:17:04,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:17:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2021-12-18 16:17:04,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:17:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2021-12-18 16:17:05,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407998184] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:17:05,586 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:17:05,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 22 [2021-12-18 16:17:05,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202487286] [2021-12-18 16:17:05,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:17:05,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-18 16:17:05,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:17:05,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-18 16:17:05,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2021-12-18 16:17:05,587 INFO L87 Difference]: Start difference. First operand 3966 states and 5605 transitions. Second operand has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 14 states have internal predecessors, (98), 3 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (32), 7 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 16:18:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:18:08,038 INFO L93 Difference]: Finished difference Result 7981 states and 11422 transitions. [2021-12-18 16:18:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-18 16:18:08,038 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 14 states have internal predecessors, (98), 3 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (32), 7 states have call predecessors, (32), 3 states have call successors, (32) Word has length 280 [2021-12-18 16:18:08,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:18:08,048 INFO L225 Difference]: With dead ends: 7981 [2021-12-18 16:18:08,048 INFO L226 Difference]: Without dead ends: 4034 [2021-12-18 16:18:08,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 645 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=218, Invalid=1504, Unknown=0, NotChecked=0, Total=1722 [2021-12-18 16:18:08,056 INFO L933 BasicCegarLoop]: 2444 mSDtfsCounter, 2709 mSDsluCounter, 23858 mSDsCounter, 0 mSdLazyCounter, 23753 mSolverCounterSat, 2522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 26302 SdHoareTripleChecker+Invalid, 26275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2522 IncrementalHoareTripleChecker+Valid, 23753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:18:08,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2709 Valid, 26302 Invalid, 26275 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2522 Valid, 23753 Invalid, 0 Unknown, 0 Unchecked, 61.1s Time] [2021-12-18 16:18:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4034 states. [2021-12-18 16:18:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4034 to 3982. [2021-12-18 16:18:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3982 states, 2725 states have (on average 1.2590825688073395) internal successors, (3431), 2802 states have internal predecessors, (3431), 1049 states have call successors, (1049), 188 states have call predecessors, (1049), 202 states have return successors, (1142), 1043 states have call predecessors, (1142), 1047 states have call successors, (1142) [2021-12-18 16:18:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3982 states to 3982 states and 5622 transitions. [2021-12-18 16:18:08,264 INFO L78 Accepts]: Start accepts. Automaton has 3982 states and 5622 transitions. Word has length 280 [2021-12-18 16:18:08,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:18:08,265 INFO L470 AbstractCegarLoop]: Abstraction has 3982 states and 5622 transitions. [2021-12-18 16:18:08,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.454545454545454) internal successors, (98), 14 states have internal predecessors, (98), 3 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (32), 7 states have call predecessors, (32), 3 states have call successors, (32) [2021-12-18 16:18:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 5622 transitions. [2021-12-18 16:18:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-18 16:18:08,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:18:08,267 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] [2021-12-18 16:18:08,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-18 16:18:08,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-12-18 16:18:08,488 INFO L402 AbstractCegarLoop]: === Iteration 30 === 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)] === [2021-12-18 16:18:08,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:18:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1976227173, now seen corresponding path program 1 times [2021-12-18 16:18:08,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:18:08,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475541281] [2021-12-18 16:18:08,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:18:08,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:18:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:18:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:18:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:18:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:18:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:18:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:18:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:18:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:18:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 16:18:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 16:18:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 16:18:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 16:18:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:18:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:18:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:18:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:18:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:18:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 16:18:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:18:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:18:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:18:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:18:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 16:18:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:18:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 16:18:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 16:18:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 16:18:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 16:18:08,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:18:08,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475541281] [2021-12-18 16:18:08,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475541281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:18:08,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:18:08,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:18:08,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601903382] [2021-12-18 16:18:08,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:18:08,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:18:08,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:18:08,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:18:08,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:18:08,665 INFO L87 Difference]: Start difference. First operand 3982 states and 5622 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) [2021-12-18 16:18:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:18:14,057 INFO L93 Difference]: Finished difference Result 3982 states and 5622 transitions. [2021-12-18 16:18:14,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:18:14,057 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 [2021-12-18 16:18:14,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:18:14,068 INFO L225 Difference]: With dead ends: 3982 [2021-12-18 16:18:14,068 INFO L226 Difference]: Without dead ends: 3753 [2021-12-18 16:18:14,071 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 [2021-12-18 16:18:14,072 INFO L933 BasicCegarLoop]: 2457 mSDtfsCounter, 3973 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 2364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:18:14,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4161 Valid, 5211 Invalid, 4478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2364 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 16:18:14,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2021-12-18 16:18:14,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3753. [2021-12-18 16:18:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3753 states, 2587 states have (on average 1.2690374951681485) internal successors, (3283), 2657 states have internal predecessors, (3283), 980 states have call successors, (980), 167 states have call predecessors, (980), 181 states have return successors, (1073), 978 states have call predecessors, (1073), 978 states have call successors, (1073) [2021-12-18 16:18:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 3753 states and 5336 transitions. [2021-12-18 16:18:14,277 INFO L78 Accepts]: Start accepts. Automaton has 3753 states and 5336 transitions. Word has length 180 [2021-12-18 16:18:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:18:14,278 INFO L470 AbstractCegarLoop]: Abstraction has 3753 states and 5336 transitions. [2021-12-18 16:18:14,278 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) [2021-12-18 16:18:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3753 states and 5336 transitions. [2021-12-18 16:18:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-18 16:18:14,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:18:14,293 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] [2021-12-18 16:18:14,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-18 16:18:14,294 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)] === [2021-12-18 16:18:14,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:18:14,295 INFO L85 PathProgramCache]: Analyzing trace with hash 427759979, now seen corresponding path program 4 times [2021-12-18 16:18:14,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:18:14,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960456806] [2021-12-18 16:18:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:18:14,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:18:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:18:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:18:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:18:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:18:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:18:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:18:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:18:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:18:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:18:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:18:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:18:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:18:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 16:18:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:18:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:18:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:18:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:18:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:18:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:18:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:18:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-18 16:18:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:18:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:18:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:18:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 16:18:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:18:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:18:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:18:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 16:18:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 16:18:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:18:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:18:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:18:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 16:18:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2021-12-18 16:18:14,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:18:14,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960456806] [2021-12-18 16:18:14,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960456806] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:18:14,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746206985] [2021-12-18 16:18:14,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-18 16:18:14,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:18:14,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:18:14,885 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) [2021-12-18 16:18:14,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-18 16:18:32,679 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-18 16:18:32,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:18:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 3652 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-18 16:18:32,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:18:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 245 proven. 3 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2021-12-18 16:18:33,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:18:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-12-18 16:18:34,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746206985] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:18:34,412 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:18:34,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 26 [2021-12-18 16:18:34,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866718532] [2021-12-18 16:18:34,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:18:34,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-18 16:18:34,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:18:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-18 16:18:34,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=593, Unknown=0, NotChecked=0, Total=650 [2021-12-18 16:18:34,414 INFO L87 Difference]: Start difference. First operand 3753 states and 5336 transitions. Second operand has 26 states, 25 states have (on average 6.28) internal successors, (157), 18 states have internal predecessors, (157), 6 states have call successors, (72), 6 states have call predecessors, (72), 7 states have return successors, (68), 9 states have call predecessors, (68), 6 states have call successors, (68) [2021-12-18 16:19:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:19:58,196 INFO L93 Difference]: Finished difference Result 7891 states and 11395 transitions. [2021-12-18 16:19:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-18 16:19:58,197 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.28) internal successors, (157), 18 states have internal predecessors, (157), 6 states have call successors, (72), 6 states have call predecessors, (72), 7 states have return successors, (68), 9 states have call predecessors, (68), 6 states have call successors, (68) Word has length 280 [2021-12-18 16:19:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:19:58,207 INFO L225 Difference]: With dead ends: 7891 [2021-12-18 16:19:58,207 INFO L226 Difference]: Without dead ends: 4155 [2021-12-18 16:19:58,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 643 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=271, Invalid=2081, Unknown=0, NotChecked=0, Total=2352 [2021-12-18 16:19:58,215 INFO L933 BasicCegarLoop]: 2872 mSDtfsCounter, 3090 mSDsluCounter, 37408 mSDsCounter, 0 mSdLazyCounter, 26617 mSolverCounterSat, 2399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 40280 SdHoareTripleChecker+Invalid, 29016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2399 IncrementalHoareTripleChecker+Valid, 26617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:19:58,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3287 Valid, 40280 Invalid, 29016 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2399 Valid, 26617 Invalid, 0 Unknown, 0 Unchecked, 82.4s Time] [2021-12-18 16:19:58,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4155 states. [2021-12-18 16:19:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4155 to 3702. [2021-12-18 16:19:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3702 states, 2550 states have (on average 1.268627450980392) internal successors, (3235), 2616 states have internal predecessors, (3235), 969 states have call successors, (969), 165 states have call predecessors, (969), 178 states have return successors, (1056), 968 states have call predecessors, (1056), 967 states have call successors, (1056) [2021-12-18 16:19:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 5260 transitions. [2021-12-18 16:19:58,418 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 5260 transitions. Word has length 280 [2021-12-18 16:19:58,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:19:58,418 INFO L470 AbstractCegarLoop]: Abstraction has 3702 states and 5260 transitions. [2021-12-18 16:19:58,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.28) internal successors, (157), 18 states have internal predecessors, (157), 6 states have call successors, (72), 6 states have call predecessors, (72), 7 states have return successors, (68), 9 states have call predecessors, (68), 6 states have call successors, (68) [2021-12-18 16:19:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 5260 transitions. [2021-12-18 16:19:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-12-18 16:19:58,420 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:19:58,421 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, 1, 1, 1, 1] [2021-12-18 16:19:58,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-18 16:19:58,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:19:58,643 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)] === [2021-12-18 16:19:58,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:19:58,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1902229514, now seen corresponding path program 1 times [2021-12-18 16:19:58,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:19:58,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758383149] [2021-12-18 16:19:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:19:58,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:19:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:19:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:19:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:19:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:19:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:19:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:19:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:19:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:19:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:19:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:19:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:19:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:19:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:19:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:19:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:19:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:19:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:19:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:19:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:19:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:19:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:19:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:19:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:19:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:19:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:19:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:19:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:19:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:19:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:19:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:19:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 16:19:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:19:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:19:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:19:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:19:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2021-12-18 16:19:59,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:19:59,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758383149] [2021-12-18 16:19:59,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758383149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:19:59,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:19:59,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 16:19:59,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427815366] [2021-12-18 16:19:59,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:19:59,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 16:19:59,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:19:59,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 16:19:59,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:19:59,020 INFO L87 Difference]: Start difference. First operand 3702 states and 5260 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-18 16:20:53,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:20:53,739 INFO L93 Difference]: Finished difference Result 5748 states and 8346 transitions. [2021-12-18 16:20:53,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-18 16:20:53,740 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 284 [2021-12-18 16:20:53,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:20:53,755 INFO L225 Difference]: With dead ends: 5748 [2021-12-18 16:20:53,756 INFO L226 Difference]: Without dead ends: 5746 [2021-12-18 16:20:53,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=279, Invalid=843, Unknown=0, NotChecked=0, Total=1122 [2021-12-18 16:20:53,760 INFO L933 BasicCegarLoop]: 4526 mSDtfsCounter, 8663 mSDsluCounter, 13549 mSDsCounter, 0 mSdLazyCounter, 21358 mSolverCounterSat, 7130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8928 SdHoareTripleChecker+Valid, 18075 SdHoareTripleChecker+Invalid, 28488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7130 IncrementalHoareTripleChecker+Valid, 21358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:20:53,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8928 Valid, 18075 Invalid, 28488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7130 Valid, 21358 Invalid, 0 Unknown, 0 Unchecked, 53.7s Time] [2021-12-18 16:20:53,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5746 states. [2021-12-18 16:20:54,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5746 to 5641. [2021-12-18 16:20:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5641 states, 3886 states have (on average 1.2686567164179106) internal successors, (4930), 3989 states have internal predecessors, (4930), 1477 states have call successors, (1477), 249 states have call predecessors, (1477), 273 states have return successors, (1710), 1476 states have call predecessors, (1710), 1475 states have call successors, (1710) [2021-12-18 16:20:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5641 states to 5641 states and 8117 transitions. [2021-12-18 16:20:54,137 INFO L78 Accepts]: Start accepts. Automaton has 5641 states and 8117 transitions. Word has length 284 [2021-12-18 16:20:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:20:54,137 INFO L470 AbstractCegarLoop]: Abstraction has 5641 states and 8117 transitions. [2021-12-18 16:20:54,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (28), 8 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-18 16:20:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 5641 states and 8117 transitions. [2021-12-18 16:20:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-18 16:20:54,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:20:54,167 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, 1, 1, 1, 1] [2021-12-18 16:20:54,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-18 16:20:54,168 INFO L402 AbstractCegarLoop]: === Iteration 33 === 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)] === [2021-12-18 16:20:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:20:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1551364321, now seen corresponding path program 1 times [2021-12-18 16:20:54,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:20:54,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82498542] [2021-12-18 16:20:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:20:54,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:20:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:20:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:20:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:20:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:20:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:20:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:20:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:20:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:20:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:20:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:20:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:20:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:20:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:20:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:20:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 16:20:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:20:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:20:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:20:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 16:20:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:20:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:20:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:20:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 16:20:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:20:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:20:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:20:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:20:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 16:20:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 16:20:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 16:20:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 16:20:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 16:20:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 16:20:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:20:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 16:20:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2021-12-18 16:20:54,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:20:54,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82498542] [2021-12-18 16:20:54,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82498542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:20:54,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:20:54,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-12-18 16:20:54,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931684301] [2021-12-18 16:20:54,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:20:54,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-18 16:20:54,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:20:54,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-18 16:20:54,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2021-12-18 16:20:54,746 INFO L87 Difference]: Start difference. First operand 5641 states and 8117 transitions. Second operand has 21 states, 20 states have (on average 4.85) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (34), 7 states have call predecessors, (34), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2021-12-18 16:21:56,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:56,586 INFO L93 Difference]: Finished difference Result 12849 states and 18723 transitions. [2021-12-18 16:21:56,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-18 16:21:56,586 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.85) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (34), 7 states have call predecessors, (34), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) Word has length 278 [2021-12-18 16:21:56,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:56,625 INFO L225 Difference]: With dead ends: 12849 [2021-12-18 16:21:56,626 INFO L226 Difference]: Without dead ends: 7224 [2021-12-18 16:21:56,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=1489, Unknown=0, NotChecked=0, Total=1722 [2021-12-18 16:21:56,643 INFO L933 BasicCegarLoop]: 2912 mSDtfsCounter, 5682 mSDsluCounter, 28945 mSDsCounter, 0 mSdLazyCounter, 22105 mSolverCounterSat, 4032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5682 SdHoareTripleChecker+Valid, 31857 SdHoareTripleChecker+Invalid, 26137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4032 IncrementalHoareTripleChecker+Valid, 22105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:56,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5682 Valid, 31857 Invalid, 26137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4032 Valid, 22105 Invalid, 0 Unknown, 0 Unchecked, 60.6s Time] [2021-12-18 16:21:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2021-12-18 16:21:57,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 5643. [2021-12-18 16:21:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5643 states, 3887 states have (on average 1.2685875996912785) internal successors, (4931), 3991 states have internal predecessors, (4931), 1478 states have call successors, (1478), 249 states have call predecessors, (1478), 273 states have return successors, (1711), 1476 states have call predecessors, (1711), 1476 states have call successors, (1711) [2021-12-18 16:21:57,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 5643 states and 8120 transitions. [2021-12-18 16:21:57,074 INFO L78 Accepts]: Start accepts. Automaton has 5643 states and 8120 transitions. Word has length 278 [2021-12-18 16:21:57,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:57,074 INFO L470 AbstractCegarLoop]: Abstraction has 5643 states and 8120 transitions. [2021-12-18 16:21:57,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.85) internal successors, (97), 14 states have internal predecessors, (97), 6 states have call successors, (34), 7 states have call predecessors, (34), 4 states have return successors, (32), 7 states have call predecessors, (32), 6 states have call successors, (32) [2021-12-18 16:21:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 5643 states and 8120 transitions. [2021-12-18 16:21:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-18 16:21:57,077 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:57,077 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] [2021-12-18 16:21:57,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-18 16:21:57,077 INFO L402 AbstractCegarLoop]: === Iteration 34 === 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)] === [2021-12-18 16:21:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash -789293618, now seen corresponding path program 1 times [2021-12-18 16:21:57,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:57,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334790235] [2021-12-18 16:21:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:57,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:21:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:21:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:21:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:21:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:21:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:21:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:21:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:21:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:21:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:21:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:21:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:21:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:21:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 16:21:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:21:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:21:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:21:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 16:21:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 16:21:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:21:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 16:21:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:21:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 16:21:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:21:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:21:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2021-12-18 16:21:57,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:57,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334790235] [2021-12-18 16:21:57,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334790235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:21:57,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:21:57,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 16:21:57,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830469519] [2021-12-18 16:21:57,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:21:57,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:21:57,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:21:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:21:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:21:57,386 INFO L87 Difference]: Start difference. First operand 5643 states and 8120 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) [2021-12-18 16:22:17,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:22:17,785 INFO L93 Difference]: Finished difference Result 5731 states and 8465 transitions. [2021-12-18 16:22:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 16:22:17,786 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 [2021-12-18 16:22:17,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:22:17,804 INFO L225 Difference]: With dead ends: 5731 [2021-12-18 16:22:17,805 INFO L226 Difference]: Without dead ends: 5729 [2021-12-18 16:22:17,807 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 [2021-12-18 16:22:17,807 INFO L933 BasicCegarLoop]: 2269 mSDtfsCounter, 3913 mSDsluCounter, 5822 mSDsCounter, 0 mSdLazyCounter, 5881 mSolverCounterSat, 3459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 9340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3459 IncrementalHoareTripleChecker+Valid, 5881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:22:17,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3964 Valid, 8091 Invalid, 9340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3459 Valid, 5881 Invalid, 0 Unknown, 0 Unchecked, 19.8s Time] [2021-12-18 16:22:17,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5729 states. [2021-12-18 16:22:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5729 to 5641. [2021-12-18 16:22:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5641 states, 3886 states have (on average 1.2678847143592382) internal successors, (4927), 3989 states have internal predecessors, (4927), 1478 states have call successors, (1478), 249 states have call predecessors, (1478), 273 states have return successors, (1711), 1476 states have call predecessors, (1711), 1476 states have call successors, (1711) [2021-12-18 16:22:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5641 states to 5641 states and 8116 transitions. [2021-12-18 16:22:18,195 INFO L78 Accepts]: Start accepts. Automaton has 5641 states and 8116 transitions. Word has length 317 [2021-12-18 16:22:18,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:22:18,196 INFO L470 AbstractCegarLoop]: Abstraction has 5641 states and 8116 transitions. [2021-12-18 16:22:18,196 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) [2021-12-18 16:22:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5641 states and 8116 transitions. [2021-12-18 16:22:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-18 16:22:18,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:22:18,199 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, 1, 1, 1, 1] [2021-12-18 16:22:18,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-18 16:22:18,199 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)] === [2021-12-18 16:22:18,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:22:18,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1274215283, now seen corresponding path program 1 times [2021-12-18 16:22:18,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:22:18,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941810812] [2021-12-18 16:22:18,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:22:18,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:22:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:22:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:22:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:22:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:22:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:22:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:22:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:22:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:22:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:22:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:22:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:22:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:22:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:22:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:22:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 16:22:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:22:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:22:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:22:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 16:22:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:22:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:22:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:22:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 16:22:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:22:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:22:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:22:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:22:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:22:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:22:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:22:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 16:22:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:22:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 16:22:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 16:22:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 16:22:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 16:22:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 16:22:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 16:22:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-18 16:22:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-18 16:22:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 16:22:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2021-12-18 16:22:18,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:22:18,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941810812] [2021-12-18 16:22:18,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941810812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:22:18,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:22:18,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-12-18 16:22:18,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530766532] [2021-12-18 16:22:18,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:22:18,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-18 16:22:18,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:22:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-18 16:22:18,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2021-12-18 16:22:18,833 INFO L87 Difference]: Start difference. First operand 5641 states and 8116 transitions. Second operand has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (38), 8 states have call predecessors, (38), 4 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2021-12-18 16:23:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:47,313 INFO L93 Difference]: Finished difference Result 12622 states and 18309 transitions. [2021-12-18 16:23:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-18 16:23:47,313 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (38), 8 states have call predecessors, (38), 4 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) Word has length 324 [2021-12-18 16:23:47,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:47,334 INFO L225 Difference]: With dead ends: 12622 [2021-12-18 16:23:47,335 INFO L226 Difference]: Without dead ends: 6997 [2021-12-18 16:23:47,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1631, Unknown=0, NotChecked=0, Total=1892 [2021-12-18 16:23:47,349 INFO L933 BasicCegarLoop]: 2895 mSDtfsCounter, 5399 mSDsluCounter, 30868 mSDsCounter, 0 mSdLazyCounter, 24158 mSolverCounterSat, 3408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5399 SdHoareTripleChecker+Valid, 33763 SdHoareTripleChecker+Invalid, 27566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3408 IncrementalHoareTripleChecker+Valid, 24158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:47,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5399 Valid, 33763 Invalid, 27566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3408 Valid, 24158 Invalid, 0 Unknown, 0 Unchecked, 87.2s Time] [2021-12-18 16:23:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6997 states. [2021-12-18 16:23:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6997 to 5410. [2021-12-18 16:23:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5410 states, 3712 states have (on average 1.2688577586206897) internal successors, (4710), 3813 states have internal predecessors, (4710), 1429 states have call successors, (1429), 244 states have call predecessors, (1429), 265 states have return successors, (1566), 1425 states have call predecessors, (1566), 1427 states have call successors, (1566) [2021-12-18 16:23:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5410 states to 5410 states and 7705 transitions. [2021-12-18 16:23:47,795 INFO L78 Accepts]: Start accepts. Automaton has 5410 states and 7705 transitions. Word has length 324 [2021-12-18 16:23:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:47,796 INFO L470 AbstractCegarLoop]: Abstraction has 5410 states and 7705 transitions. [2021-12-18 16:23:47,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.285714285714286) internal successors, (111), 14 states have internal predecessors, (111), 7 states have call successors, (38), 8 states have call predecessors, (38), 4 states have return successors, (36), 8 states have call predecessors, (36), 7 states have call successors, (36) [2021-12-18 16:23:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 5410 states and 7705 transitions. [2021-12-18 16:23:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-12-18 16:23:47,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:47,799 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, 1, 1, 1, 1] [2021-12-18 16:23:47,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-12-18 16:23:47,799 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)] === [2021-12-18 16:23:47,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:47,800 INFO L85 PathProgramCache]: Analyzing trace with hash 239590365, now seen corresponding path program 1 times [2021-12-18 16:23:47,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:47,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129664677] [2021-12-18 16:23:47,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:47,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:23:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:23:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:23:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:23:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:23:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:23:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:23:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:23:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:23:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:23:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 16:23:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:23:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 16:23:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 16:23:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 16:23:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 16:23:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-18 16:23:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2021-12-18 16:23:48,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:48,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129664677] [2021-12-18 16:23:48,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129664677] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:23:48,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163793120] [2021-12-18 16:23:48,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:48,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:23:48,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:23:48,183 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) [2021-12-18 16:23:48,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-18 16:23:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:49,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3912 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-18 16:23:49,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:23:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-12-18 16:23:49,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:23:49,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163793120] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:49,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:23:49,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 13 [2021-12-18 16:23:49,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732858432] [2021-12-18 16:23:49,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:49,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:23:49,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:49,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:23:49,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-12-18 16:23:49,556 INFO L87 Difference]: Start difference. First operand 5410 states and 7705 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 16:23:50,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:50,018 INFO L93 Difference]: Finished difference Result 9292 states and 13355 transitions. [2021-12-18 16:23:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:23:50,025 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 337 [2021-12-18 16:23:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:50,043 INFO L225 Difference]: With dead ends: 9292 [2021-12-18 16:23:50,044 INFO L226 Difference]: Without dead ends: 5421 [2021-12-18 16:23:50,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 443 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-12-18 16:23:50,055 INFO L933 BasicCegarLoop]: 2629 mSDtfsCounter, 7 mSDsluCounter, 13135 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15764 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:23:50,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 15764 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:23:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5421 states. [2021-12-18 16:23:50,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5421 to 5410. [2021-12-18 16:23:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5410 states, 3712 states have (on average 1.2683189655172413) internal successors, (4708), 3813 states have internal predecessors, (4708), 1429 states have call successors, (1429), 244 states have call predecessors, (1429), 265 states have return successors, (1566), 1425 states have call predecessors, (1566), 1427 states have call successors, (1566) [2021-12-18 16:23:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5410 states to 5410 states and 7703 transitions. [2021-12-18 16:23:50,486 INFO L78 Accepts]: Start accepts. Automaton has 5410 states and 7703 transitions. Word has length 337 [2021-12-18 16:23:50,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:50,486 INFO L470 AbstractCegarLoop]: Abstraction has 5410 states and 7703 transitions. [2021-12-18 16:23:50,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 5 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 16:23:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 5410 states and 7703 transitions. [2021-12-18 16:23:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2021-12-18 16:23:50,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:50,491 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, 1, 1, 1, 1] [2021-12-18 16:23:50,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-18 16:23:50,707 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,SelfDestructingSolverStorable35 [2021-12-18 16:23:50,708 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)] === [2021-12-18 16:23:50,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:50,708 INFO L85 PathProgramCache]: Analyzing trace with hash 589670005, now seen corresponding path program 2 times [2021-12-18 16:23:50,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:50,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705898604] [2021-12-18 16:23:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:50,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:23:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:23:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:23:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:23:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:23:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:23:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:23:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:23:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:23:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:23:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 16:23:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:23:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 16:23:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 16:23:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 16:23:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 16:23:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 16:23:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2021-12-18 16:23:51,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:51,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705898604] [2021-12-18 16:23:51,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705898604] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:23:51,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906328189] [2021-12-18 16:23:51,180 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 16:23:51,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:23:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:23:51,182 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) [2021-12-18 16:23:51,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-18 16:23:55,368 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 16:23:55,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:23:55,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 3964 conjuncts, 37 conjunts are in the unsatisfiable core [2021-12-18 16:23:55,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:23:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2021-12-18 16:23:55,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:23:55,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906328189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:23:55,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:23:55,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 15 [2021-12-18 16:23:55,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362471644] [2021-12-18 16:23:55,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:23:55,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:23:55,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:23:55,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:23:55,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-12-18 16:23:55,878 INFO L87 Difference]: Start difference. First operand 5410 states and 7703 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 16:23:56,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:23:56,409 INFO L93 Difference]: Finished difference Result 9279 states and 13328 transitions. [2021-12-18 16:23:56,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 16:23:56,411 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 353 [2021-12-18 16:23:56,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:23:56,426 INFO L225 Difference]: With dead ends: 9279 [2021-12-18 16:23:56,427 INFO L226 Difference]: Without dead ends: 5408 [2021-12-18 16:23:56,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 467 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-12-18 16:23:56,436 INFO L933 BasicCegarLoop]: 2631 mSDtfsCounter, 14 mSDsluCounter, 18398 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 21029 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 [2021-12-18 16:23:56,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 21029 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 16:23:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5408 states. [2021-12-18 16:23:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5408 to 5388. [2021-12-18 16:23:56,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5388 states, 3694 states have (on average 1.2674607471575527) internal successors, (4682), 3794 states have internal predecessors, (4682), 1425 states have call successors, (1425), 244 states have call predecessors, (1425), 265 states have return successors, (1560), 1422 states have call predecessors, (1560), 1423 states have call successors, (1560) [2021-12-18 16:23:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 5388 states and 7667 transitions. [2021-12-18 16:23:56,793 INFO L78 Accepts]: Start accepts. Automaton has 5388 states and 7667 transitions. Word has length 353 [2021-12-18 16:23:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:23:56,793 INFO L470 AbstractCegarLoop]: Abstraction has 5388 states and 7667 transitions. [2021-12-18 16:23:56,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 7 states have internal predecessors, (101), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 16:23:56,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5388 states and 7667 transitions. [2021-12-18 16:23:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 16:23:56,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:23:56,796 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:23:56,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-18 16:23:57,011 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,SelfDestructingSolverStorable36 [2021-12-18 16:23:57,012 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)] === [2021-12-18 16:23:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:23:57,012 INFO L85 PathProgramCache]: Analyzing trace with hash -267397297, now seen corresponding path program 1 times [2021-12-18 16:23:57,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:23:57,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708234694] [2021-12-18 16:23:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:57,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:23:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:23:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:23:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:23:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:23:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:23:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:23:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:23:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:23:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:23:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:23:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:23:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:23:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:23:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:23:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:23:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:23:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 16:23:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:23:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 16:23:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 16:23:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:23:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:23:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:23:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 16:23:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:23:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-18 16:23:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 16:23:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:57,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-12-18 16:23:57,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:23:57,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708234694] [2021-12-18 16:23:57,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708234694] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:23:57,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479120338] [2021-12-18 16:23:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:23:57,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:23:57,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:23:57,571 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) [2021-12-18 16:23:57,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-18 16:23:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:23:58,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 4017 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-18 16:23:58,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:23:59,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 302 proven. 419 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2021-12-18 16:23:59,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:24:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2021-12-18 16:24:00,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479120338] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:24:00,022 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:24:00,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 12] total 25 [2021-12-18 16:24:00,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983469869] [2021-12-18 16:24:00,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:24:00,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-18 16:24:00,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:24:00,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-18 16:24:00,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2021-12-18 16:24:00,024 INFO L87 Difference]: Start difference. First operand 5388 states and 7667 transitions. Second operand has 25 states, 25 states have (on average 8.4) internal successors, (210), 20 states have internal predecessors, (210), 10 states have call successors, (95), 15 states have call predecessors, (95), 10 states have return successors, (86), 10 states have call predecessors, (86), 10 states have call successors, (86) [2021-12-18 16:25:43,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:25:43,430 INFO L93 Difference]: Finished difference Result 13209 states and 19504 transitions. [2021-12-18 16:25:43,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-12-18 16:25:43,431 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.4) internal successors, (210), 20 states have internal predecessors, (210), 10 states have call successors, (95), 15 states have call predecessors, (95), 10 states have return successors, (86), 10 states have call predecessors, (86), 10 states have call successors, (86) Word has length 369 [2021-12-18 16:25:43,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:25:43,476 INFO L225 Difference]: With dead ends: 13209 [2021-12-18 16:25:43,476 INFO L226 Difference]: Without dead ends: 13207 [2021-12-18 16:25:43,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 857 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1678 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1206, Invalid=4196, Unknown=0, NotChecked=0, Total=5402 [2021-12-18 16:25:43,481 INFO L933 BasicCegarLoop]: 5125 mSDtfsCounter, 33267 mSDsluCounter, 22652 mSDsCounter, 0 mSdLazyCounter, 39884 mSolverCounterSat, 26383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33815 SdHoareTripleChecker+Valid, 27777 SdHoareTripleChecker+Invalid, 66267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 26383 IncrementalHoareTripleChecker+Valid, 39884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:25:43,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33815 Valid, 27777 Invalid, 66267 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [26383 Valid, 39884 Invalid, 0 Unknown, 0 Unchecked, 100.4s Time] [2021-12-18 16:25:43,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13207 states. [2021-12-18 16:25:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13207 to 12926. [2021-12-18 16:25:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12926 states, 8877 states have (on average 1.2675453418947842) internal successors, (11252), 9120 states have internal predecessors, (11252), 3407 states have call successors, (3407), 575 states have call predecessors, (3407), 638 states have return successors, (4079), 3403 states have call predecessors, (4079), 3405 states have call successors, (4079) [2021-12-18 16:25:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12926 states to 12926 states and 18738 transitions. [2021-12-18 16:25:44,390 INFO L78 Accepts]: Start accepts. Automaton has 12926 states and 18738 transitions. Word has length 369 [2021-12-18 16:25:44,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:25:44,390 INFO L470 AbstractCegarLoop]: Abstraction has 12926 states and 18738 transitions. [2021-12-18 16:25:44,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.4) internal successors, (210), 20 states have internal predecessors, (210), 10 states have call successors, (95), 15 states have call predecessors, (95), 10 states have return successors, (86), 10 states have call predecessors, (86), 10 states have call successors, (86) [2021-12-18 16:25:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12926 states and 18738 transitions. [2021-12-18 16:25:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 16:25:44,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:25:44,394 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 10, 10, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2021-12-18 16:25:44,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-18 16:25:44,596 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,SelfDestructingSolverStorable37 [2021-12-18 16:25:44,597 INFO L402 AbstractCegarLoop]: === Iteration 39 === 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)] === [2021-12-18 16:25:44,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:25:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1639204595, now seen corresponding path program 3 times [2021-12-18 16:25:44,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:25:44,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451331999] [2021-12-18 16:25:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:25:44,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:25:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:25:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:25:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:25:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:25:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:25:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:25:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:25:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:25:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:25:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 16:25:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:25:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:25:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 16:25:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 16:25:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 16:25:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 16:25:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 16:25:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 16:25:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 16:25:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-18 16:25:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 16:25:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 49 proven. 2 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2021-12-18 16:25:45,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:25:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451331999] [2021-12-18 16:25:45,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451331999] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:25:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72380160] [2021-12-18 16:25:45,315 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 16:25:45,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:25:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:25:45,322 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) [2021-12-18 16:25:45,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-18 16:25:45,994 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-18 16:25:45,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:25:46,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 2682 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-18 16:25:46,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:25:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1316 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2021-12-18 16:25:46,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:25:46,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72380160] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:25:46,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:25:46,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2021-12-18 16:25:46,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34869258] [2021-12-18 16:25:46,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:25:46,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:25:46,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:25:46,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:25:46,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-12-18 16:25:46,861 INFO L87 Difference]: Start difference. First operand 12926 states and 18738 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 16:25:47,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:25:47,986 INFO L93 Difference]: Finished difference Result 24005 states and 35033 transitions. [2021-12-18 16:25:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 16:25:47,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 369 [2021-12-18 16:25:47,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:25:48,038 INFO L225 Difference]: With dead ends: 24005 [2021-12-18 16:25:48,038 INFO L226 Difference]: Without dead ends: 12646 [2021-12-18 16:25:48,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 487 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-12-18 16:25:48,068 INFO L933 BasicCegarLoop]: 2633 mSDtfsCounter, 11 mSDsluCounter, 10516 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13149 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 [2021-12-18 16:25:48,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 13149 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 16:25:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12646 states. [2021-12-18 16:25:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12646 to 12597. [2021-12-18 16:25:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 8634 states have (on average 1.2682418346073663) internal successors, (10950), 8863 states have internal predecessors, (10950), 3340 states have call successors, (3340), 566 states have call predecessors, (3340), 619 states have return successors, (3879), 3334 states have call predecessors, (3879), 3338 states have call successors, (3879) [2021-12-18 16:25:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 18169 transitions. [2021-12-18 16:25:49,008 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 18169 transitions. Word has length 369 [2021-12-18 16:25:49,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:25:49,009 INFO L470 AbstractCegarLoop]: Abstraction has 12597 states and 18169 transitions. [2021-12-18 16:25:49,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 5 states have internal predecessors, (98), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 16:25:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 18169 transitions. [2021-12-18 16:25:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-12-18 16:25:49,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:25:49,012 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, 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] [2021-12-18 16:25:49,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-18 16:25:49,218 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,SelfDestructingSolverStorable38 [2021-12-18 16:25:49,219 INFO L402 AbstractCegarLoop]: === Iteration 40 === 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)] === [2021-12-18 16:25:49,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:25:49,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2034922585, now seen corresponding path program 1 times [2021-12-18 16:25:49,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:25:49,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140928497] [2021-12-18 16:25:49,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:25:49,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:25:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:25:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:25:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:25:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 16:25:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-18 16:25:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:25:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:25:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:25:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 16:25:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 16:25:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 16:25:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:25:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 16:25:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 16:25:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 16:25:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:25:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 16:25:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-18 16:25:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 16:25:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:25:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 16:25:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 16:25:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 16:25:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-18 16:25:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 16:25:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 16:25:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-18 16:25:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 16:25:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-18 16:25:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 16:25:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 16:25:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 16:25:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:25:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 16:25:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 16:25:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:25:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2021-12-18 16:25:49,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:25:49,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140928497] [2021-12-18 16:25:49,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140928497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:25:49,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:25:49,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-12-18 16:25:49,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567623580] [2021-12-18 16:25:49,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:25:49,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-18 16:25:49,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:25:49,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-18 16:25:49,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-12-18 16:25:49,988 INFO L87 Difference]: Start difference. First operand 12597 states and 18169 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, (44), 8 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 16:27:05,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:27:05,291 INFO L93 Difference]: Finished difference Result 22187 states and 32321 transitions. [2021-12-18 16:27:05,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 16:27:05,291 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, (44), 8 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) Word has length 364 [2021-12-18 16:27:05,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:27:05,326 INFO L225 Difference]: With dead ends: 22187 [2021-12-18 16:27:05,327 INFO L226 Difference]: Without dead ends: 11154 [2021-12-18 16:27:05,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=871, Unknown=0, NotChecked=0, Total=1056 [2021-12-18 16:27:05,355 INFO L933 BasicCegarLoop]: 2260 mSDtfsCounter, 2447 mSDsluCounter, 14713 mSDsCounter, 0 mSdLazyCounter, 14953 mSolverCounterSat, 2414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2447 SdHoareTripleChecker+Valid, 16973 SdHoareTripleChecker+Invalid, 17367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2414 IncrementalHoareTripleChecker+Valid, 14953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:27:05,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2447 Valid, 16973 Invalid, 17367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2414 Valid, 14953 Invalid, 0 Unknown, 0 Unchecked, 73.8s Time] [2021-12-18 16:27:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11154 states. [2021-12-18 16:27:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11154 to 11021. [2021-12-18 16:27:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 7565 states have (on average 1.2664904163912756) internal successors, (9581), 7760 states have internal predecessors, (9581), 2908 states have call successors, (2908), 498 states have call predecessors, (2908), 544 states have return successors, (3358), 2907 states have call predecessors, (3358), 2906 states have call successors, (3358) [2021-12-18 16:27:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 15847 transitions. [2021-12-18 16:27:06,188 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 15847 transitions. Word has length 364 [2021-12-18 16:27:06,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:27:06,189 INFO L470 AbstractCegarLoop]: Abstraction has 11021 states and 15847 transitions. [2021-12-18 16:27:06,189 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, (44), 8 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) [2021-12-18 16:27:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 15847 transitions. [2021-12-18 16:27:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-12-18 16:27:06,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:27:06,192 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] [2021-12-18 16:27:06,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-18 16:27:06,192 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)] === [2021-12-18 16:27:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:27:06,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1769757743, now seen corresponding path program 1 times [2021-12-18 16:27:06,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:27:06,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61865971] [2021-12-18 16:27:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:27:06,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:27:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:27:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:27:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:27:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:27:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:27:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:27:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:27:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:27:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:27:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:27:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:27:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:27:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:27:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:27:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:27:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:27:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:27:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 16:27:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 16:27:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 16:27:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 16:27:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:27:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:27:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 16:27:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 16:27:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 16:27:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 16:27:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 16:27:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 16:27:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-12-18 16:27:06,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:27:06,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61865971] [2021-12-18 16:27:06,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61865971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:27:06,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:27:06,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-18 16:27:06,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274132316] [2021-12-18 16:27:06,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:27:06,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-18 16:27:06,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:27:06,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-18 16:27:06,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:27:06,566 INFO L87 Difference]: Start difference. First operand 11021 states and 15847 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) [2021-12-18 16:27:42,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:27:42,612 INFO L93 Difference]: Finished difference Result 22343 states and 32690 transitions. [2021-12-18 16:27:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 16:27:42,612 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 [2021-12-18 16:27:42,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:27:42,654 INFO L225 Difference]: With dead ends: 22343 [2021-12-18 16:27:42,654 INFO L226 Difference]: Without dead ends: 13713 [2021-12-18 16:27:42,678 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 [2021-12-18 16:27:42,678 INFO L933 BasicCegarLoop]: 2801 mSDtfsCounter, 5266 mSDsluCounter, 8827 mSDsCounter, 0 mSdLazyCounter, 8273 mSolverCounterSat, 3998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5470 SdHoareTripleChecker+Valid, 11628 SdHoareTripleChecker+Invalid, 12271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3998 IncrementalHoareTripleChecker+Valid, 8273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:27:42,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5470 Valid, 11628 Invalid, 12271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3998 Valid, 8273 Invalid, 0 Unknown, 0 Unchecked, 34.6s Time] [2021-12-18 16:27:42,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13713 states. [2021-12-18 16:27:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13713 to 11021. [2021-12-18 16:27:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11021 states, 7565 states have (on average 1.2656972901520158) internal successors, (9575), 7760 states have internal predecessors, (9575), 2908 states have call successors, (2908), 498 states have call predecessors, (2908), 544 states have return successors, (3358), 2907 states have call predecessors, (3358), 2906 states have call successors, (3358) [2021-12-18 16:27:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11021 states to 11021 states and 15841 transitions. [2021-12-18 16:27:43,606 INFO L78 Accepts]: Start accepts. Automaton has 11021 states and 15841 transitions. Word has length 386 [2021-12-18 16:27:43,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:27:43,606 INFO L470 AbstractCegarLoop]: Abstraction has 11021 states and 15841 transitions. [2021-12-18 16:27:43,607 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) [2021-12-18 16:27:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand 11021 states and 15841 transitions. [2021-12-18 16:27:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-12-18 16:27:43,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:27:43,611 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] [2021-12-18 16:27:43,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-12-18 16:27:43,611 INFO L402 AbstractCegarLoop]: === Iteration 42 === 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)] === [2021-12-18 16:27:43,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:27:43,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1769698161, now seen corresponding path program 1 times [2021-12-18 16:27:43,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:27:43,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518015520] [2021-12-18 16:27:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:27:43,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:27:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:27:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:27:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 16:27:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:27:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:27:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 16:27:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-18 16:27:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-18 16:27:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 16:27:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 16:27:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:27:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 16:27:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 16:27:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 16:27:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:27:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:27:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:27:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 16:27:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 16:27:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 16:27:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:27:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:27:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:27:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 16:27:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 16:27:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 16:27:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 16:27:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:27:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 16:27:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 16:27:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-18 16:27:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 16:27:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 16:27:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:27:43,944 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-12-18 16:27:43,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:27:43,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518015520] [2021-12-18 16:27:43,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518015520] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:27:43,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:27:43,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 16:27:43,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38978947] [2021-12-18 16:27:43,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:27:43,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:27:43,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:27:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:27:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:27:43,946 INFO L87 Difference]: Start difference. First operand 11021 states and 15841 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) Killed by 15