./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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---net--netfilter--nfnetlink_log.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 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:47:09,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:47:09,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:47:09,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:47:09,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:47:09,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:47:09,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:47:09,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:47:09,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:47:09,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:47:09,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:47:09,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:47:09,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:47:09,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:47:09,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:47:09,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:47:09,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:47:09,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:47:09,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:47:09,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:47:09,613 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:47:09,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:47:09,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:47:09,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:47:09,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:47:09,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:47:09,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:47:09,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:47:09,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:47:09,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:47:09,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:47:09,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:47:09,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:47:09,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:47:09,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:47:09,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:47:09,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:47:09,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:47:09,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:47:09,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:47:09,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:47:09,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:47:09,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:47:09,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:47:09,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:47:09,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:47:09,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:47:09,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:47:09,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:47:09,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:47:09,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:47:09,663 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:47:09,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:47:09,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:47:09,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:47:09,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:47:09,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:47:09,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:47:09,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:47:09,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:47:09,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:47:09,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:47:09,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:47:09,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:47:09,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:47:09,667 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:47:09,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:47:09,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:47:09,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-07-21 15:47:09,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:47:09,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:47:09,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:47:09,969 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:47:09,969 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:47:09,971 INFO L432 ainManager$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---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-21 15:47:10,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033ae10f7/4f7119f7b68c46c59936600c335f9fe3/FLAG436fc7e67 [2022-07-21 15:47:10,584 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:47:10,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-21 15:47:10,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033ae10f7/4f7119f7b68c46c59936600c335f9fe3/FLAG436fc7e67 [2022-07-21 15:47:10,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033ae10f7/4f7119f7b68c46c59936600c335f9fe3 [2022-07-21 15:47:10,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:47:10,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:47:10,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:47:10,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:47:10,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:47:10,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:47:10" (1/1) ... [2022-07-21 15:47:10,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50199811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:10, skipping insertion in model container [2022-07-21 15:47:10,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:47:10" (1/1) ... [2022-07-21 15:47:10,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:47:10,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:47:13,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-07-21 15:47:13,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-07-21 15:47:13,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-07-21 15:47:13,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-07-21 15:47:13,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-07-21 15:47:13,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-07-21 15:47:13,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-07-21 15:47:13,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-07-21 15:47:13,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-07-21 15:47:13,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-07-21 15:47:13,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-07-21 15:47:13,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-07-21 15:47:13,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-07-21 15:47:13,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-07-21 15:47:13,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-07-21 15:47:13,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-07-21 15:47:13,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-07-21 15:47:13,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-07-21 15:47:13,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-07-21 15:47:13,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-07-21 15:47:13,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-07-21 15:47:13,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-07-21 15:47:13,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-07-21 15:47:13,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-07-21 15:47:13,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-07-21 15:47:13,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-07-21 15:47:13,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-07-21 15:47:13,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-07-21 15:47:13,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-07-21 15:47:13,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-07-21 15:47:13,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-07-21 15:47:13,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-07-21 15:47:13,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-07-21 15:47:13,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-07-21 15:47:13,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-07-21 15:47:13,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-07-21 15:47:13,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-07-21 15:47:13,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-07-21 15:47:13,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-07-21 15:47:13,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-07-21 15:47:13,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-07-21 15:47:13,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-07-21 15:47:13,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-07-21 15:47:13,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-07-21 15:47:13,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-07-21 15:47:13,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-07-21 15:47:13,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-07-21 15:47:13,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-07-21 15:47:13,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-07-21 15:47:13,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-07-21 15:47:13,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-07-21 15:47:13,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-07-21 15:47:13,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-07-21 15:47:13,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-07-21 15:47:13,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-07-21 15:47:13,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-07-21 15:47:13,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-07-21 15:47:13,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-07-21 15:47:13,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-07-21 15:47:13,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-07-21 15:47:13,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-07-21 15:47:13,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-07-21 15:47:13,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-07-21 15:47:13,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-07-21 15:47:13,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-07-21 15:47:13,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-07-21 15:47:13,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-07-21 15:47:13,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-07-21 15:47:13,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-07-21 15:47:13,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-07-21 15:47:13,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-07-21 15:47:13,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-07-21 15:47:13,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-07-21 15:47:13,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-07-21 15:47:13,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-07-21 15:47:13,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-07-21 15:47:13,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-07-21 15:47:13,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-07-21 15:47:13,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-07-21 15:47:13,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-07-21 15:47:13,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-07-21 15:47:13,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-07-21 15:47:13,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-07-21 15:47:13,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-07-21 15:47:13,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-07-21 15:47:13,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-07-21 15:47:13,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-07-21 15:47:13,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-07-21 15:47:13,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:47:13,453 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:47:13,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-07-21 15:47:13,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-07-21 15:47:13,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-07-21 15:47:13,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-07-21 15:47:13,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-07-21 15:47:13,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-07-21 15:47:13,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-07-21 15:47:13,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-07-21 15:47:13,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-07-21 15:47:13,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-07-21 15:47:13,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-07-21 15:47:13,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-07-21 15:47:13,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-07-21 15:47:13,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-07-21 15:47:13,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-07-21 15:47:13,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-07-21 15:47:13,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-07-21 15:47:13,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-07-21 15:47:13,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-07-21 15:47:13,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-07-21 15:47:13,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-07-21 15:47:13,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-07-21 15:47:13,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-07-21 15:47:13,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-07-21 15:47:13,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-07-21 15:47:13,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-07-21 15:47:13,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-07-21 15:47:13,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-07-21 15:47:13,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-07-21 15:47:13,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-07-21 15:47:13,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-07-21 15:47:13,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-07-21 15:47:13,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-07-21 15:47:13,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-07-21 15:47:13,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-07-21 15:47:13,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-07-21 15:47:13,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-07-21 15:47:13,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-07-21 15:47:13,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-07-21 15:47:13,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-07-21 15:47:13,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-07-21 15:47:13,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-07-21 15:47:13,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-07-21 15:47:13,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-07-21 15:47:13,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-07-21 15:47:13,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-07-21 15:47:13,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-07-21 15:47:13,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-07-21 15:47:13,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-07-21 15:47:13,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-07-21 15:47:13,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-07-21 15:47:13,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-07-21 15:47:13,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-07-21 15:47:13,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-07-21 15:47:13,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-07-21 15:47:13,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-07-21 15:47:13,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-07-21 15:47:13,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-07-21 15:47:13,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-07-21 15:47:13,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-07-21 15:47:13,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-07-21 15:47:13,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-07-21 15:47:13,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-07-21 15:47:13,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-07-21 15:47:13,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-07-21 15:47:13,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-07-21 15:47:13,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-07-21 15:47:13,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-07-21 15:47:13,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-07-21 15:47:13,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-07-21 15:47:13,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-07-21 15:47:13,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-07-21 15:47:13,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-07-21 15:47:13,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-07-21 15:47:13,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-07-21 15:47:13,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-07-21 15:47:13,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-07-21 15:47:13,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-07-21 15:47:13,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-07-21 15:47:13,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-07-21 15:47:13,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-07-21 15:47:13,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-07-21 15:47:13,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-07-21 15:47:13,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-07-21 15:47:13,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-07-21 15:47:13,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-07-21 15:47:13,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-07-21 15:47:13,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-07-21 15:47:13,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:47:14,028 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:47:14,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14 WrapperNode [2022-07-21 15:47:14,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:47:14,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:47:14,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:47:14,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:47:14,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,249 INFO L137 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2640 [2022-07-21 15:47:14,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:47:14,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:47:14,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:47:14,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:47:14,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:47:14,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:47:14,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:47:14,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:47:14,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (1/1) ... [2022-07-21 15:47:14,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:47:14,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:47:14,389 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) [2022-07-21 15:47:14,411 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 [2022-07-21 15:47:14,424 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-07-21 15:47:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-07-21 15:47:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-21 15:47:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-21 15:47:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-07-21 15:47:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-07-21 15:47:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:47:14,425 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:47:14,425 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 15:47:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 15:47:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:47:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:47:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-21 15:47:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-21 15:47:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:47:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:47:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-07-21 15:47:14,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-07-21 15:47:14,426 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-07-21 15:47:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-07-21 15:47:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-07-21 15:47:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-07-21 15:47:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-21 15:47:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-21 15:47:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-07-21 15:47:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-07-21 15:47:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-21 15:47:14,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-21 15:47:14,427 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:47:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:47:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:47:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:47:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 15:47:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 15:47:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:47:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:47:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-21 15:47:14,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-21 15:47:14,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:47:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-21 15:47:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-21 15:47:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-21 15:47:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-21 15:47:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 15:47:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 15:47:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:47:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:47:14,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-21 15:47:14,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-21 15:47:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:47:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:47:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-07-21 15:47:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-07-21 15:47:14,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-21 15:47:14,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-21 15:47:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:47:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-21 15:47:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-21 15:47:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-21 15:47:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-21 15:47:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-07-21 15:47:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-07-21 15:47:14,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-07-21 15:47:14,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-07-21 15:47:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-21 15:47:14,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-21 15:47:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-07-21 15:47:14,432 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-07-21 15:47:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-07-21 15:47:14,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-07-21 15:47:14,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-21 15:47:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-07-21 15:47:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:47:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:47:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-07-21 15:47:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-07-21 15:47:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-21 15:47:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-21 15:47:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:47:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:47:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-21 15:47:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-21 15:47:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 15:47:14,452 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 15:47:14,452 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 15:47:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 15:47:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-21 15:47:14,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:47:14,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:47:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:47:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:47:14,459 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-07-21 15:47:14,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-07-21 15:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-21 15:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-21 15:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-07-21 15:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-07-21 15:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-07-21 15:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-07-21 15:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 15:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 15:47:14,460 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-07-21 15:47:14,460 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-21 15:47:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-07-21 15:47:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-07-21 15:47:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-21 15:47:14,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:47:14,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-21 15:47:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-07-21 15:47:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-07-21 15:47:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-21 15:47:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-21 15:47:14,462 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 15:47:14,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 15:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-21 15:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-21 15:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-07-21 15:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-07-21 15:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:47:14,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-21 15:47:14,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-21 15:47:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-07-21 15:47:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-07-21 15:47:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-07-21 15:47:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-21 15:47:14,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-21 15:47:14,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-21 15:47:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-21 15:47:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:47:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:47:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:47:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-21 15:47:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-21 15:47:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:47:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:47:14,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-21 15:47:14,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 15:47:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 15:47:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-07-21 15:47:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-07-21 15:47:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:47:14,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:47:14,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-21 15:47:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-21 15:47:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-21 15:47:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-21 15:47:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-07-21 15:47:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-07-21 15:47:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:47:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-07-21 15:47:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-07-21 15:47:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-07-21 15:47:14,467 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-07-21 15:47:14,933 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:47:14,936 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:47:15,049 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:47:16,049 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:47:16,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:47:16,081 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 15:47:16,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:47:16 BoogieIcfgContainer [2022-07-21 15:47:16,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:47:16,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:47:16,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:47:16,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:47:16,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:47:10" (1/3) ... [2022-07-21 15:47:16,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3845885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:47:16, skipping insertion in model container [2022-07-21 15:47:16,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:47:14" (2/3) ... [2022-07-21 15:47:16,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3845885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:47:16, skipping insertion in model container [2022-07-21 15:47:16,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:47:16" (3/3) ... [2022-07-21 15:47:16,090 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-21 15:47:16,100 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:47:16,101 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-07-21 15:47:16,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:47:16,171 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4c80ff65, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@744216f1 [2022-07-21 15:47:16,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-21 15:47:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 1116 states, 741 states have (on average 1.2496626180836707) internal successors, (926), 797 states have internal predecessors, (926), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2022-07-21 15:47:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-21 15:47:16,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:16,189 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:16,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:16,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:16,194 INFO L85 PathProgramCache]: Analyzing trace with hash -138799992, now seen corresponding path program 1 times [2022-07-21 15:47:16,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:16,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844248642] [2022-07-21 15:47:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:16,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:16,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:16,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844248642] [2022-07-21 15:47:16,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844248642] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:16,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:16,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:16,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413857813] [2022-07-21 15:47:16,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:16,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:16,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:16,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:16,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:16,782 INFO L87 Difference]: Start difference. First operand has 1116 states, 741 states have (on average 1.2496626180836707) internal successors, (926), 797 states have internal predecessors, (926), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-07-21 15:47:18,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:18,376 INFO L93 Difference]: Finished difference Result 2200 states and 2931 transitions. [2022-07-21 15:47:18,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:18,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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 70 [2022-07-21 15:47:18,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:18,399 INFO L225 Difference]: With dead ends: 2200 [2022-07-21 15:47:18,399 INFO L226 Difference]: Without dead ends: 1093 [2022-07-21 15:47:18,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:18,411 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1961 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:18,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 2756 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 15:47:18,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-07-21 15:47:18,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2022-07-21 15:47:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 726 states have (on average 1.1942148760330578) internal successors, (867), 777 states have internal predecessors, (867), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-21 15:47:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1375 transitions. [2022-07-21 15:47:18,537 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1375 transitions. Word has length 70 [2022-07-21 15:47:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:18,539 INFO L495 AbstractCegarLoop]: Abstraction has 1093 states and 1375 transitions. [2022-07-21 15:47:18,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 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) [2022-07-21 15:47:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1375 transitions. [2022-07-21 15:47:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-21 15:47:18,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:18,546 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:18,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:47:18,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:18,547 INFO L85 PathProgramCache]: Analyzing trace with hash 333096518, now seen corresponding path program 1 times [2022-07-21 15:47:18,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:18,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167077352] [2022-07-21 15:47:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:18,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:18,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167077352] [2022-07-21 15:47:18,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167077352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:18,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:18,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:18,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378316967] [2022-07-21 15:47:18,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:18,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:18,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:18,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:18,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:18,741 INFO L87 Difference]: Start difference. First operand 1093 states and 1375 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-21 15:47:20,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:20,066 INFO L93 Difference]: Finished difference Result 1093 states and 1375 transitions. [2022-07-21 15:47:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:20,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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 76 [2022-07-21 15:47:20,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:20,071 INFO L225 Difference]: With dead ends: 1093 [2022-07-21 15:47:20,072 INFO L226 Difference]: Without dead ends: 1091 [2022-07-21 15:47:20,072 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:20,073 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 1927 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:20,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 2716 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 15:47:20,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-07-21 15:47:20,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2022-07-21 15:47:20,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 725 states have (on average 1.193103448275862) internal successors, (865), 775 states have internal predecessors, (865), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-21 15:47:20,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1373 transitions. [2022-07-21 15:47:20,117 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1373 transitions. Word has length 76 [2022-07-21 15:47:20,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:20,118 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1373 transitions. [2022-07-21 15:47:20,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-21 15:47:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1373 transitions. [2022-07-21 15:47:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-21 15:47:20,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:20,119 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:20,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:47:20,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:20,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1375714423, now seen corresponding path program 1 times [2022-07-21 15:47:20,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:20,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74982503] [2022-07-21 15:47:20,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:20,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:20,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74982503] [2022-07-21 15:47:20,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74982503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:20,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:20,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:20,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292297371] [2022-07-21 15:47:20,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:20,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:20,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:20,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:20,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:20,262 INFO L87 Difference]: Start difference. First operand 1091 states and 1373 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-07-21 15:47:21,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:21,419 INFO L93 Difference]: Finished difference Result 1091 states and 1373 transitions. [2022-07-21 15:47:21,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:21,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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 82 [2022-07-21 15:47:21,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:21,425 INFO L225 Difference]: With dead ends: 1091 [2022-07-21 15:47:21,425 INFO L226 Difference]: Without dead ends: 1089 [2022-07-21 15:47:21,426 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:21,426 INFO L413 NwaCegarLoop]: 1297 mSDtfsCounter, 1921 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:21,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 2714 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:47:21,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-07-21 15:47:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2022-07-21 15:47:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 724 states have (on average 1.191988950276243) internal successors, (863), 773 states have internal predecessors, (863), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-21 15:47:21,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1371 transitions. [2022-07-21 15:47:21,462 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1371 transitions. Word has length 82 [2022-07-21 15:47:21,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:21,462 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1371 transitions. [2022-07-21 15:47:21,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2022-07-21 15:47:21,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1371 transitions. [2022-07-21 15:47:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 15:47:21,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:21,464 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:21,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:47:21,464 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:21,465 INFO L85 PathProgramCache]: Analyzing trace with hash -62631502, now seen corresponding path program 1 times [2022-07-21 15:47:21,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:21,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071735155] [2022-07-21 15:47:21,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:21,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 15:47:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 15:47:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 15:47:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-21 15:47:21,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:21,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071735155] [2022-07-21 15:47:21,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071735155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:21,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:21,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:21,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800120488] [2022-07-21 15:47:21,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:21,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:21,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:21,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:21,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:21,663 INFO L87 Difference]: Start difference. First operand 1089 states and 1371 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 15:47:23,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:23,714 INFO L93 Difference]: Finished difference Result 1862 states and 2308 transitions. [2022-07-21 15:47:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:47:23,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2022-07-21 15:47:23,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:23,723 INFO L225 Difference]: With dead ends: 1862 [2022-07-21 15:47:23,723 INFO L226 Difference]: Without dead ends: 1860 [2022-07-21 15:47:23,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:23,728 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 1359 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:23,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 4281 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 15:47:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-07-21 15:47:23,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1597. [2022-07-21 15:47:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1060 states have (on average 1.180188679245283) internal successors, (1251), 1125 states have internal predecessors, (1251), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-21 15:47:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2009 transitions. [2022-07-21 15:47:23,792 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2009 transitions. Word has length 97 [2022-07-21 15:47:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:23,793 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2009 transitions. [2022-07-21 15:47:23,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 15:47:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2009 transitions. [2022-07-21 15:47:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-21 15:47:23,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:23,797 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:23,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:47:23,798 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:23,798 INFO L85 PathProgramCache]: Analyzing trace with hash 591565888, now seen corresponding path program 1 times [2022-07-21 15:47:23,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:23,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824329240] [2022-07-21 15:47:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:23,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:23,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:23,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824329240] [2022-07-21 15:47:23,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824329240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:23,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:23,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:23,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380406821] [2022-07-21 15:47:23,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:23,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:23,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:23,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:23,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:23,969 INFO L87 Difference]: Start difference. First operand 1597 states and 2009 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-21 15:47:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:25,246 INFO L93 Difference]: Finished difference Result 1597 states and 2009 transitions. [2022-07-21 15:47:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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 88 [2022-07-21 15:47:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:25,256 INFO L225 Difference]: With dead ends: 1597 [2022-07-21 15:47:25,256 INFO L226 Difference]: Without dead ends: 1595 [2022-07-21 15:47:25,258 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:25,259 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1915 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:25,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 2712 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 15:47:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-07-21 15:47:25,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2022-07-21 15:47:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1059 states have (on average 1.1794145420207742) internal successors, (1249), 1123 states have internal predecessors, (1249), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-21 15:47:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2007 transitions. [2022-07-21 15:47:25,315 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2007 transitions. Word has length 88 [2022-07-21 15:47:25,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:25,316 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2007 transitions. [2022-07-21 15:47:25,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-21 15:47:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2007 transitions. [2022-07-21 15:47:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 15:47:25,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:25,317 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:25,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:47:25,318 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash -56363973, now seen corresponding path program 1 times [2022-07-21 15:47:25,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:25,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363136240] [2022-07-21 15:47:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:25,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:25,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363136240] [2022-07-21 15:47:25,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363136240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:25,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:25,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:25,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11922838] [2022-07-21 15:47:25,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:25,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:25,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:25,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:25,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:25,458 INFO L87 Difference]: Start difference. First operand 1595 states and 2007 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-07-21 15:47:26,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:26,676 INFO L93 Difference]: Finished difference Result 1595 states and 2007 transitions. [2022-07-21 15:47:26,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:26,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 94 [2022-07-21 15:47:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:26,685 INFO L225 Difference]: With dead ends: 1595 [2022-07-21 15:47:26,685 INFO L226 Difference]: Without dead ends: 1593 [2022-07-21 15:47:26,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:26,687 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 1909 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:26,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 2710 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:47:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-07-21 15:47:26,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-07-21 15:47:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1058 states have (on average 1.1786389413988658) internal successors, (1247), 1121 states have internal predecessors, (1247), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-21 15:47:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2005 transitions. [2022-07-21 15:47:26,737 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2005 transitions. Word has length 94 [2022-07-21 15:47:26,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:26,737 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2005 transitions. [2022-07-21 15:47:26,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2022-07-21 15:47:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2005 transitions. [2022-07-21 15:47:26,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-21 15:47:26,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:26,739 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:26,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 15:47:26,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:26,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:26,739 INFO L85 PathProgramCache]: Analyzing trace with hash 915527194, now seen corresponding path program 1 times [2022-07-21 15:47:26,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:26,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895916188] [2022-07-21 15:47:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:26,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:26,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895916188] [2022-07-21 15:47:26,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895916188] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:26,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:26,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:26,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782761510] [2022-07-21 15:47:26,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:26,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:26,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:26,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:26,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:26,884 INFO L87 Difference]: Start difference. First operand 1593 states and 2005 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-07-21 15:47:28,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:28,139 INFO L93 Difference]: Finished difference Result 1593 states and 2005 transitions. [2022-07-21 15:47:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:28,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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 100 [2022-07-21 15:47:28,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:28,145 INFO L225 Difference]: With dead ends: 1593 [2022-07-21 15:47:28,145 INFO L226 Difference]: Without dead ends: 1591 [2022-07-21 15:47:28,146 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:28,146 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 1903 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:28,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 2708 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 15:47:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-07-21 15:47:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2022-07-21 15:47:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1057 states have (on average 1.1778618732261117) internal successors, (1245), 1119 states have internal predecessors, (1245), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-21 15:47:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2003 transitions. [2022-07-21 15:47:28,196 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2003 transitions. Word has length 100 [2022-07-21 15:47:28,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:28,197 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2003 transitions. [2022-07-21 15:47:28,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-07-21 15:47:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2003 transitions. [2022-07-21 15:47:28,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 15:47:28,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:28,198 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:28,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:47:28,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:28,201 INFO L85 PathProgramCache]: Analyzing trace with hash 178536448, now seen corresponding path program 1 times [2022-07-21 15:47:28,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:28,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669441412] [2022-07-21 15:47:28,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:28,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:28,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:28,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669441412] [2022-07-21 15:47:28,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669441412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:28,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:28,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:28,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268256687] [2022-07-21 15:47:28,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:28,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:28,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:28,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:28,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:28,357 INFO L87 Difference]: Start difference. First operand 1591 states and 2003 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, (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) [2022-07-21 15:47:29,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:29,567 INFO L93 Difference]: Finished difference Result 1591 states and 2003 transitions. [2022-07-21 15:47:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:29,567 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, (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 106 [2022-07-21 15:47:29,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:29,573 INFO L225 Difference]: With dead ends: 1591 [2022-07-21 15:47:29,573 INFO L226 Difference]: Without dead ends: 1589 [2022-07-21 15:47:29,574 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:29,574 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 1897 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:29,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 2706 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:47:29,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-07-21 15:47:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2022-07-21 15:47:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1056 states have (on average 1.1770833333333333) internal successors, (1243), 1117 states have internal predecessors, (1243), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-21 15:47:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2001 transitions. [2022-07-21 15:47:29,624 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2001 transitions. Word has length 106 [2022-07-21 15:47:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:29,624 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2001 transitions. [2022-07-21 15:47:29,624 INFO L496 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, (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) [2022-07-21 15:47:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2001 transitions. [2022-07-21 15:47:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 15:47:29,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:29,626 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-21 15:47:29,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 15:47:29,626 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1037707720, now seen corresponding path program 1 times [2022-07-21 15:47:29,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:29,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963522717] [2022-07-21 15:47:29,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-21 15:47:29,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:29,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963522717] [2022-07-21 15:47:29,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963522717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:29,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:29,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:47:29,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531234005] [2022-07-21 15:47:29,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:29,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:47:29,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:29,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:47:29,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:47:29,821 INFO L87 Difference]: Start difference. First operand 1589 states and 2001 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 15:47:31,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:31,727 INFO L93 Difference]: Finished difference Result 1869 states and 2334 transitions. [2022-07-21 15:47:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 15:47:31,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2022-07-21 15:47:31,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:31,735 INFO L225 Difference]: With dead ends: 1869 [2022-07-21 15:47:31,735 INFO L226 Difference]: Without dead ends: 1867 [2022-07-21 15:47:31,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-21 15:47:31,736 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 1888 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 2783 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 2783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:31,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 3480 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 2783 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 15:47:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-07-21 15:47:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1759. [2022-07-21 15:47:31,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1176 states have (on average 1.1802721088435375) internal successors, (1388), 1238 states have internal predecessors, (1388), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-07-21 15:47:31,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2198 transitions. [2022-07-21 15:47:31,810 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2198 transitions. Word has length 118 [2022-07-21 15:47:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:31,810 INFO L495 AbstractCegarLoop]: Abstraction has 1759 states and 2198 transitions. [2022-07-21 15:47:31,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 15:47:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2198 transitions. [2022-07-21 15:47:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 15:47:31,812 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:31,812 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:31,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 15:47:31,813 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:31,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:31,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1083405284, now seen corresponding path program 1 times [2022-07-21 15:47:31,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:31,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196900595] [2022-07-21 15:47:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:31,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:31,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196900595] [2022-07-21 15:47:31,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196900595] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:31,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:31,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779357795] [2022-07-21 15:47:31,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:31,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:31,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:31,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:31,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:31,953 INFO L87 Difference]: Start difference. First operand 1759 states and 2198 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, (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) [2022-07-21 15:47:33,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:33,107 INFO L93 Difference]: Finished difference Result 1759 states and 2198 transitions. [2022-07-21 15:47:33,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:33,108 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, (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 112 [2022-07-21 15:47:33,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:33,149 INFO L225 Difference]: With dead ends: 1759 [2022-07-21 15:47:33,149 INFO L226 Difference]: Without dead ends: 1757 [2022-07-21 15:47:33,150 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:33,151 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1895 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:33,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 2704 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:47:33,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-07-21 15:47:33,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-07-21 15:47:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1175 states have (on average 1.1795744680851064) internal successors, (1386), 1236 states have internal predecessors, (1386), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-07-21 15:47:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2196 transitions. [2022-07-21 15:47:33,222 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2196 transitions. Word has length 112 [2022-07-21 15:47:33,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:33,222 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2196 transitions. [2022-07-21 15:47:33,223 INFO L496 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, (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) [2022-07-21 15:47:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2196 transitions. [2022-07-21 15:47:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-21 15:47:33,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:33,224 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 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] [2022-07-21 15:47:33,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 15:47:33,225 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:33,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:33,225 INFO L85 PathProgramCache]: Analyzing trace with hash 392296454, now seen corresponding path program 1 times [2022-07-21 15:47:33,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:33,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763813325] [2022-07-21 15:47:33,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:33,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:47:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:47:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:47:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:47:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:47:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-07-21 15:47:33,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:33,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763813325] [2022-07-21 15:47:33,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763813325] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:47:33,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893171357] [2022-07-21 15:47:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:33,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:47:33,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:47:33,468 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) [2022-07-21 15:47:33,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 15:47:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:33,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:47:33,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:47:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-21 15:47:33,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:47:33,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893171357] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:33,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:47:33,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-21 15:47:33,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510633905] [2022-07-21 15:47:33,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:33,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:47:33,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:33,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:47:33,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 15:47:33,949 INFO L87 Difference]: Start difference. First operand 1757 states and 2196 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 15:47:34,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:34,091 INFO L93 Difference]: Finished difference Result 3405 states and 4242 transitions. [2022-07-21 15:47:34,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:47:34,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2022-07-21 15:47:34,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:34,099 INFO L225 Difference]: With dead ends: 3405 [2022-07-21 15:47:34,099 INFO L226 Difference]: Without dead ends: 1805 [2022-07-21 15:47:34,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:34,104 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 319 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:34,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 5094 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 15:47:34,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-07-21 15:47:34,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1763. [2022-07-21 15:47:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1179 states have (on average 1.1789652247667515) internal successors, (1390), 1240 states have internal predecessors, (1390), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-07-21 15:47:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2204 transitions. [2022-07-21 15:47:34,224 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2204 transitions. Word has length 134 [2022-07-21 15:47:34,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:34,225 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 2204 transitions. [2022-07-21 15:47:34,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 15:47:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2204 transitions. [2022-07-21 15:47:34,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-21 15:47:34,227 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:34,227 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:34,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:47:34,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-21 15:47:34,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1770258305, now seen corresponding path program 1 times [2022-07-21 15:47:34,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:34,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803764560] [2022-07-21 15:47:34,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:34,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:34,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:34,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803764560] [2022-07-21 15:47:34,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803764560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:34,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:34,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394796346] [2022-07-21 15:47:34,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:34,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:34,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:34,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:34,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:34,607 INFO L87 Difference]: Start difference. First operand 1763 states and 2204 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-07-21 15:47:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:35,958 INFO L93 Difference]: Finished difference Result 1763 states and 2204 transitions. [2022-07-21 15:47:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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 114 [2022-07-21 15:47:35,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:35,967 INFO L225 Difference]: With dead ends: 1763 [2022-07-21 15:47:35,968 INFO L226 Difference]: Without dead ends: 1761 [2022-07-21 15:47:35,969 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:35,969 INFO L413 NwaCegarLoop]: 1285 mSDtfsCounter, 1883 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:35,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 2702 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 15:47:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-07-21 15:47:36,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2022-07-21 15:47:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1178 states have (on average 1.1782682512733447) internal successors, (1388), 1238 states have internal predecessors, (1388), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-07-21 15:47:36,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2202 transitions. [2022-07-21 15:47:36,065 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2202 transitions. Word has length 114 [2022-07-21 15:47:36,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:36,067 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2202 transitions. [2022-07-21 15:47:36,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 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) [2022-07-21 15:47:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2202 transitions. [2022-07-21 15:47:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-21 15:47:36,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:36,068 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:36,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 15:47:36,069 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:36,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1352940516, now seen corresponding path program 1 times [2022-07-21 15:47:36,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:36,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960349092] [2022-07-21 15:47:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:47:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:36,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:36,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960349092] [2022-07-21 15:47:36,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960349092] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:36,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:36,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:36,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360742404] [2022-07-21 15:47:36,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:36,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:36,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:36,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:36,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:36,213 INFO L87 Difference]: Start difference. First operand 1761 states and 2202 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-07-21 15:47:38,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:38,264 INFO L93 Difference]: Finished difference Result 2666 states and 3269 transitions. [2022-07-21 15:47:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 15:47:38,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 120 [2022-07-21 15:47:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:38,272 INFO L225 Difference]: With dead ends: 2666 [2022-07-21 15:47:38,272 INFO L226 Difference]: Without dead ends: 2664 [2022-07-21 15:47:38,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:47:38,273 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 2664 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:38,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3119 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 15:47:38,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2022-07-21 15:47:38,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2619. [2022-07-21 15:47:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 1778 states have (on average 1.1805399325084365) internal successors, (2099), 1846 states have internal predecessors, (2099), 571 states have call successors, (571), 249 states have call predecessors, (571), 248 states have return successors, (573), 555 states have call predecessors, (573), 569 states have call successors, (573) [2022-07-21 15:47:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3243 transitions. [2022-07-21 15:47:38,368 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3243 transitions. Word has length 120 [2022-07-21 15:47:38,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:38,368 INFO L495 AbstractCegarLoop]: Abstraction has 2619 states and 3243 transitions. [2022-07-21 15:47:38,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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) [2022-07-21 15:47:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3243 transitions. [2022-07-21 15:47:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 15:47:38,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:38,370 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:38,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 15:47:38,370 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:38,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash -179191031, now seen corresponding path program 1 times [2022-07-21 15:47:38,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:38,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18008497] [2022-07-21 15:47:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:47:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:47:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:38,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:38,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18008497] [2022-07-21 15:47:38,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18008497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:38,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:38,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:38,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318922681] [2022-07-21 15:47:38,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:38,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:38,513 INFO L87 Difference]: Start difference. First operand 2619 states and 3243 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-07-21 15:47:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:40,583 INFO L93 Difference]: Finished difference Result 3726 states and 4547 transitions. [2022-07-21 15:47:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 15:47:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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 126 [2022-07-21 15:47:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:40,595 INFO L225 Difference]: With dead ends: 3726 [2022-07-21 15:47:40,596 INFO L226 Difference]: Without dead ends: 3724 [2022-07-21 15:47:40,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:47:40,597 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 2149 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:40,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 3254 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 15:47:40,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-07-21 15:47:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3583. [2022-07-21 15:47:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 2425 states have (on average 1.1698969072164949) internal successors, (2837), 2515 states have internal predecessors, (2837), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-21 15:47:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4407 transitions. [2022-07-21 15:47:40,769 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4407 transitions. Word has length 126 [2022-07-21 15:47:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:40,770 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4407 transitions. [2022-07-21 15:47:40,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 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) [2022-07-21 15:47:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4407 transitions. [2022-07-21 15:47:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-21 15:47:40,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:40,771 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:40,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 15:47:40,772 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:40,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:40,772 INFO L85 PathProgramCache]: Analyzing trace with hash -31471526, now seen corresponding path program 1 times [2022-07-21 15:47:40,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:40,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898635480] [2022-07-21 15:47:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:40,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:40,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898635480] [2022-07-21 15:47:40,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898635480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:40,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:40,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:40,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882488958] [2022-07-21 15:47:40,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:40,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:40,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:40,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:40,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:40,931 INFO L87 Difference]: Start difference. First operand 3583 states and 4407 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 15:47:42,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:42,512 INFO L93 Difference]: Finished difference Result 6578 states and 8094 transitions. [2022-07-21 15:47:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:42,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2022-07-21 15:47:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:42,524 INFO L225 Difference]: With dead ends: 6578 [2022-07-21 15:47:42,524 INFO L226 Difference]: Without dead ends: 3850 [2022-07-21 15:47:42,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:42,530 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1339 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:42,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 3084 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 15:47:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2022-07-21 15:47:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3584. [2022-07-21 15:47:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 2426 states have (on average 1.1698268755152514) internal successors, (2838), 2516 states have internal predecessors, (2838), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-21 15:47:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4408 transitions. [2022-07-21 15:47:42,661 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4408 transitions. Word has length 141 [2022-07-21 15:47:42,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:42,662 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4408 transitions. [2022-07-21 15:47:42,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 15:47:42,662 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4408 transitions. [2022-07-21 15:47:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-21 15:47:42,664 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:42,664 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:42,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 15:47:42,664 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:42,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1628899092, now seen corresponding path program 1 times [2022-07-21 15:47:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:42,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267743024] [2022-07-21 15:47:42,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:47:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:47:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:47:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:42,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:42,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267743024] [2022-07-21 15:47:42,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267743024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:42,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:42,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:42,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099381810] [2022-07-21 15:47:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:42,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:42,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:42,830 INFO L87 Difference]: Start difference. First operand 3584 states and 4408 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2022-07-21 15:47:44,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:44,083 INFO L93 Difference]: Finished difference Result 3584 states and 4408 transitions. [2022-07-21 15:47:44,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:44,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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 132 [2022-07-21 15:47:44,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:44,095 INFO L225 Difference]: With dead ends: 3584 [2022-07-21 15:47:44,095 INFO L226 Difference]: Without dead ends: 3582 [2022-07-21 15:47:44,096 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:44,097 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 1879 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:44,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 2699 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:47:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2022-07-21 15:47:44,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3582. [2022-07-21 15:47:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2425 states have (on average 1.1690721649484537) internal successors, (2835), 2514 states have internal predecessors, (2835), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-21 15:47:44,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4405 transitions. [2022-07-21 15:47:44,234 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4405 transitions. Word has length 132 [2022-07-21 15:47:44,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:44,234 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4405 transitions. [2022-07-21 15:47:44,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 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) [2022-07-21 15:47:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4405 transitions. [2022-07-21 15:47:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-21 15:47:44,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:44,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:44,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 15:47:44,258 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:44,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1350192956, now seen corresponding path program 1 times [2022-07-21 15:47:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978895496] [2022-07-21 15:47:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:44,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:44,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978895496] [2022-07-21 15:47:44,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978895496] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:47:44,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702282333] [2022-07-21 15:47:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:44,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:47:44,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:47:44,396 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) [2022-07-21 15:47:44,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 15:47:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:44,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:47:44,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:47:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:44,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:47:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:44,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702282333] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:47:44,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 15:47:44,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-21 15:47:44,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043884453] [2022-07-21 15:47:44,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 15:47:44,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 15:47:44,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:44,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 15:47:44,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:47:44,915 INFO L87 Difference]: Start difference. First operand 3582 states and 4405 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 15:47:46,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:46,647 INFO L93 Difference]: Finished difference Result 6598 states and 8126 transitions. [2022-07-21 15:47:46,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 15:47:46,648 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2022-07-21 15:47:46,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:46,657 INFO L225 Difference]: With dead ends: 6598 [2022-07-21 15:47:46,658 INFO L226 Difference]: Without dead ends: 3871 [2022-07-21 15:47:46,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-21 15:47:46,664 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1390 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 3695 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:46,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3695 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 15:47:46,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-07-21 15:47:46,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3615. [2022-07-21 15:47:46,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 2455 states have (on average 1.1718940936863544) internal successors, (2877), 2547 states have internal predecessors, (2877), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-07-21 15:47:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4453 transitions. [2022-07-21 15:47:46,799 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4453 transitions. Word has length 146 [2022-07-21 15:47:46,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:46,800 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4453 transitions. [2022-07-21 15:47:46,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 15:47:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4453 transitions. [2022-07-21 15:47:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-21 15:47:46,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:46,802 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:46,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:47:47,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-21 15:47:47,016 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash 216200491, now seen corresponding path program 1 times [2022-07-21 15:47:47,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:47,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197861483] [2022-07-21 15:47:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:47,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:47,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197861483] [2022-07-21 15:47:47,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197861483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:47,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:47,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:47:47,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926485794] [2022-07-21 15:47:47,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:47,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:47:47,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:47:47,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:47:47,190 INFO L87 Difference]: Start difference. First operand 3615 states and 4453 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:47:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:49,513 INFO L93 Difference]: Finished difference Result 3915 states and 4825 transitions. [2022-07-21 15:47:49,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 15:47:49,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2022-07-21 15:47:49,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:49,523 INFO L225 Difference]: With dead ends: 3915 [2022-07-21 15:47:49,523 INFO L226 Difference]: Without dead ends: 3913 [2022-07-21 15:47:49,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:47:49,525 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 2967 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 1694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 4384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1694 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:49,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 3649 Invalid, 4384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1694 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 15:47:49,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-07-21 15:47:49,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3615. [2022-07-21 15:47:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 2455 states have (on average 1.170672097759674) internal successors, (2874), 2547 states have internal predecessors, (2874), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-07-21 15:47:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4450 transitions. [2022-07-21 15:47:49,691 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4450 transitions. Word has length 147 [2022-07-21 15:47:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:49,691 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4450 transitions. [2022-07-21 15:47:49,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:47:49,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4450 transitions. [2022-07-21 15:47:49,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-21 15:47:49,693 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:49,693 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:49,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 15:47:49,694 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:49,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:49,694 INFO L85 PathProgramCache]: Analyzing trace with hash -973056597, now seen corresponding path program 1 times [2022-07-21 15:47:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:49,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341281157] [2022-07-21 15:47:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:47:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:47:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:47:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:47:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:49,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:49,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341281157] [2022-07-21 15:47:49,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341281157] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:49,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:49,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:49,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850942342] [2022-07-21 15:47:49,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:49,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:49,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:49,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:49,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:49,826 INFO L87 Difference]: Start difference. First operand 3615 states and 4450 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-07-21 15:47:51,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:51,849 INFO L93 Difference]: Finished difference Result 3948 states and 4802 transitions. [2022-07-21 15:47:51,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 15:47:51,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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 138 [2022-07-21 15:47:51,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:51,860 INFO L225 Difference]: With dead ends: 3948 [2022-07-21 15:47:51,860 INFO L226 Difference]: Without dead ends: 3946 [2022-07-21 15:47:51,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:47:51,862 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 1819 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 3526 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 2532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:51,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3526 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 15:47:51,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-21 15:47:51,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3819. [2022-07-21 15:47:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 2591 states have (on average 1.1620995754534929) internal successors, (3011), 2683 states have internal predecessors, (3011), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:47:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 4667 transitions. [2022-07-21 15:47:52,011 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 4667 transitions. Word has length 138 [2022-07-21 15:47:52,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:52,012 INFO L495 AbstractCegarLoop]: Abstraction has 3819 states and 4667 transitions. [2022-07-21 15:47:52,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 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) [2022-07-21 15:47:52,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 4667 transitions. [2022-07-21 15:47:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-21 15:47:52,014 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:52,014 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:52,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 15:47:52,014 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:52,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:52,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326209, now seen corresponding path program 1 times [2022-07-21 15:47:52,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:52,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75304310] [2022-07-21 15:47:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:52,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:52,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75304310] [2022-07-21 15:47:52,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75304310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:52,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:52,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:47:52,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396422368] [2022-07-21 15:47:52,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:52,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:47:52,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:52,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:47:52,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:47:52,212 INFO L87 Difference]: Start difference. First operand 3819 states and 4667 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:47:53,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:53,753 INFO L93 Difference]: Finished difference Result 4075 states and 5007 transitions. [2022-07-21 15:47:53,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:47:53,757 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2022-07-21 15:47:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:53,767 INFO L225 Difference]: With dead ends: 4075 [2022-07-21 15:47:53,767 INFO L226 Difference]: Without dead ends: 4073 [2022-07-21 15:47:53,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:47:53,769 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 2361 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:53,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 3094 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 15:47:53,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2022-07-21 15:47:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3817. [2022-07-21 15:47:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 2590 states have (on average 1.159073359073359) internal successors, (3002), 2681 states have internal predecessors, (3002), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:47:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4658 transitions. [2022-07-21 15:47:53,926 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4658 transitions. Word has length 150 [2022-07-21 15:47:53,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:53,926 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 4658 transitions. [2022-07-21 15:47:53,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:47:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4658 transitions. [2022-07-21 15:47:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 15:47:53,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:53,929 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:47:53,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 15:47:53,929 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:53,929 INFO L85 PathProgramCache]: Analyzing trace with hash 713324926, now seen corresponding path program 1 times [2022-07-21 15:47:53,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:53,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075081126] [2022-07-21 15:47:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:47:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:47:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:47:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:47:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:47:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:47:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:47:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:47:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:47:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:47:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:47:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:47:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:47:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:47:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:47:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:47:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:47:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:54,096 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:47:54,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:54,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075081126] [2022-07-21 15:47:54,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075081126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:54,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:54,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:47:54,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414632466] [2022-07-21 15:47:54,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:54,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:54,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:54,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:54,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:47:54,100 INFO L87 Difference]: Start difference. First operand 3817 states and 4658 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-07-21 15:47:55,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:55,294 INFO L93 Difference]: Finished difference Result 3817 states and 4658 transitions. [2022-07-21 15:47:55,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:55,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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 144 [2022-07-21 15:47:55,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:55,305 INFO L225 Difference]: With dead ends: 3817 [2022-07-21 15:47:55,305 INFO L226 Difference]: Without dead ends: 3815 [2022-07-21 15:47:55,307 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:47:55,307 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1867 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:55,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 2695 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 15:47:55,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-07-21 15:47:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-07-21 15:47:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 2589 states have (on average 1.1583623020471225) internal successors, (2999), 2679 states have internal predecessors, (2999), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:47:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 4655 transitions. [2022-07-21 15:47:55,494 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 4655 transitions. Word has length 144 [2022-07-21 15:47:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:55,494 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 4655 transitions. [2022-07-21 15:47:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-07-21 15:47:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 4655 transitions. [2022-07-21 15:47:55,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-21 15:47:55,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:55,497 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:55,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 15:47:55,497 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:55,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:55,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1089934537, now seen corresponding path program 1 times [2022-07-21 15:47:55,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:55,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480276438] [2022-07-21 15:47:55,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:55,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-21 15:47:55,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:55,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480276438] [2022-07-21 15:47:55,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480276438] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:47:55,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962765579] [2022-07-21 15:47:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:55,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:47:55,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:47:55,851 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) [2022-07-21 15:47:55,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 15:47:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:56,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 15:47:56,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:47:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:56,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:47:56,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962765579] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:56,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:47:56,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2022-07-21 15:47:56,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666119379] [2022-07-21 15:47:56,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:56,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:47:56,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:56,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:47:56,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-21 15:47:56,426 INFO L87 Difference]: Start difference. First operand 3815 states and 4655 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 15:47:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:47:57,838 INFO L93 Difference]: Finished difference Result 3839 states and 4671 transitions. [2022-07-21 15:47:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:47:57,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2022-07-21 15:47:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:47:57,845 INFO L225 Difference]: With dead ends: 3839 [2022-07-21 15:47:57,846 INFO L226 Difference]: Without dead ends: 3837 [2022-07-21 15:47:57,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:47:57,847 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 1360 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:47:57,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 2643 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 15:47:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-07-21 15:47:57,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3837. [2022-07-21 15:47:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2604 states have (on average 1.1543778801843319) internal successors, (3006), 2693 states have internal predecessors, (3006), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:47:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 4662 transitions. [2022-07-21 15:47:58,001 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 4662 transitions. Word has length 153 [2022-07-21 15:47:58,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:47:58,002 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 4662 transitions. [2022-07-21 15:47:58,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 15:47:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4662 transitions. [2022-07-21 15:47:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-21 15:47:58,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:47:58,004 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 15:47:58,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:47:58,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:47:58,211 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:47:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:47:58,212 INFO L85 PathProgramCache]: Analyzing trace with hash -281219765, now seen corresponding path program 1 times [2022-07-21 15:47:58,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:47:58,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141037739] [2022-07-21 15:47:58,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:47:58,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:47:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:47:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:47:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:47:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:47:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:47:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:47:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:47:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:47:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:47:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:47:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:47:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:47:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:47:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:47:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:47:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:47:58,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:47:58,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141037739] [2022-07-21 15:47:58,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141037739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:47:58,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:47:58,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:47:58,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586025267] [2022-07-21 15:47:58,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:47:58,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:47:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:47:58,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:47:58,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:47:58,393 INFO L87 Difference]: Start difference. First operand 3837 states and 4662 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:48:00,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:00,020 INFO L93 Difference]: Finished difference Result 4093 states and 5002 transitions. [2022-07-21 15:48:00,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:48:00,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-07-21 15:48:00,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:00,029 INFO L225 Difference]: With dead ends: 4093 [2022-07-21 15:48:00,029 INFO L226 Difference]: Without dead ends: 4091 [2022-07-21 15:48:00,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:48:00,032 INFO L413 NwaCegarLoop]: 1266 mSDtfsCounter, 2321 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:00,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 3088 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 15:48:00,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-21 15:48:00,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3835. [2022-07-21 15:48:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2603 states have (on average 1.1513638109873223) internal successors, (2997), 2691 states have internal predecessors, (2997), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:48:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 4653 transitions. [2022-07-21 15:48:00,195 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 4653 transitions. Word has length 156 [2022-07-21 15:48:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:00,196 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 4653 transitions. [2022-07-21 15:48:00,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:48:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4653 transitions. [2022-07-21 15:48:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-21 15:48:00,198 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:00,198 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:00,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 15:48:00,198 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:00,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1200520837, now seen corresponding path program 1 times [2022-07-21 15:48:00,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:00,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292416031] [2022-07-21 15:48:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:00,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:00,376 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:00,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:00,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292416031] [2022-07-21 15:48:00,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292416031] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:00,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:00,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:00,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870710346] [2022-07-21 15:48:00,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:00,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:00,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:00,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:00,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:00,378 INFO L87 Difference]: Start difference. First operand 3835 states and 4653 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2022-07-21 15:48:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:01,752 INFO L93 Difference]: Finished difference Result 3835 states and 4653 transitions. [2022-07-21 15:48:01,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:01,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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 150 [2022-07-21 15:48:01,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:01,761 INFO L225 Difference]: With dead ends: 3835 [2022-07-21 15:48:01,761 INFO L226 Difference]: Without dead ends: 3833 [2022-07-21 15:48:01,762 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:01,763 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 1849 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 2690 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:01,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 2690 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:48:01,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2022-07-21 15:48:01,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3833. [2022-07-21 15:48:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2602 states have (on average 1.15065334358186) internal successors, (2994), 2689 states have internal predecessors, (2994), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:48:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 4650 transitions. [2022-07-21 15:48:01,936 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 4650 transitions. Word has length 150 [2022-07-21 15:48:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:01,936 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 4650 transitions. [2022-07-21 15:48:01,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 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) [2022-07-21 15:48:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4650 transitions. [2022-07-21 15:48:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-21 15:48:01,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:01,939 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 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] [2022-07-21 15:48:01,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-21 15:48:01,939 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:01,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:01,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1309291226, now seen corresponding path program 2 times [2022-07-21 15:48:01,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:01,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597771705] [2022-07-21 15:48:01,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:48:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:48:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-21 15:48:02,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:02,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597771705] [2022-07-21 15:48:02,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597771705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:02,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:02,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 15:48:02,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737933477] [2022-07-21 15:48:02,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:02,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:48:02,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:02,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:48:02,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:48:02,110 INFO L87 Difference]: Start difference. First operand 3833 states and 4650 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:48:04,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:04,353 INFO L93 Difference]: Finished difference Result 4109 states and 5006 transitions. [2022-07-21 15:48:04,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 15:48:04,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2022-07-21 15:48:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:04,361 INFO L225 Difference]: With dead ends: 4109 [2022-07-21 15:48:04,362 INFO L226 Difference]: Without dead ends: 4107 [2022-07-21 15:48:04,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-07-21 15:48:04,363 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 1893 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 1282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 4453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1282 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:04,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 4238 Invalid, 4453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1282 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 15:48:04,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-07-21 15:48:04,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 3845. [2022-07-21 15:48:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2611 states have (on average 1.1501340482573728) internal successors, (3003), 2698 states have internal predecessors, (3003), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:48:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 4659 transitions. [2022-07-21 15:48:04,531 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 4659 transitions. Word has length 161 [2022-07-21 15:48:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:04,531 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 4659 transitions. [2022-07-21 15:48:04,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 15:48:04,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 4659 transitions. [2022-07-21 15:48:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-21 15:48:04,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:04,533 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:04,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-21 15:48:04,534 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:04,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:04,534 INFO L85 PathProgramCache]: Analyzing trace with hash -317173186, now seen corresponding path program 1 times [2022-07-21 15:48:04,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:04,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328230692] [2022-07-21 15:48:04,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:04,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:04,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328230692] [2022-07-21 15:48:04,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328230692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:04,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:04,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:04,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925279353] [2022-07-21 15:48:04,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:04,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:04,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:04,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:04,693 INFO L87 Difference]: Start difference. First operand 3845 states and 4659 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-07-21 15:48:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:05,932 INFO L93 Difference]: Finished difference Result 3845 states and 4659 transitions. [2022-07-21 15:48:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:05,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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 156 [2022-07-21 15:48:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:05,942 INFO L225 Difference]: With dead ends: 3845 [2022-07-21 15:48:05,942 INFO L226 Difference]: Without dead ends: 3843 [2022-07-21 15:48:05,943 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:05,943 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 1843 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:05,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2688 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 15:48:05,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-07-21 15:48:06,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3843. [2022-07-21 15:48:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2610 states have (on average 1.1494252873563218) internal successors, (3000), 2696 states have internal predecessors, (3000), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-21 15:48:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 4656 transitions. [2022-07-21 15:48:06,112 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 4656 transitions. Word has length 156 [2022-07-21 15:48:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:06,112 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 4656 transitions. [2022-07-21 15:48:06,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2022-07-21 15:48:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 4656 transitions. [2022-07-21 15:48:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-21 15:48:06,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:06,114 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:06,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-21 15:48:06,114 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:06,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:06,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1340163979, now seen corresponding path program 1 times [2022-07-21 15:48:06,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:06,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38290369] [2022-07-21 15:48:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:06,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:48:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:48:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 15:48:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-21 15:48:06,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:06,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38290369] [2022-07-21 15:48:06,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38290369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:06,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:06,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 15:48:06,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188066003] [2022-07-21 15:48:06,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:06,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:48:06,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:06,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:48:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:48:06,325 INFO L87 Difference]: Start difference. First operand 3843 states and 4656 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2022-07-21 15:48:08,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:08,405 INFO L93 Difference]: Finished difference Result 4294 states and 5180 transitions. [2022-07-21 15:48:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 15:48:08,406 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 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 165 [2022-07-21 15:48:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:08,418 INFO L225 Difference]: With dead ends: 4294 [2022-07-21 15:48:08,418 INFO L226 Difference]: Without dead ends: 4292 [2022-07-21 15:48:08,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:08,422 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 2277 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 1159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:08,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 3738 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 15:48:08,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2022-07-21 15:48:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4030. [2022-07-21 15:48:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4030 states, 2749 states have (on average 1.1436886140414697) internal successors, (3144), 2834 states have internal predecessors, (3144), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-07-21 15:48:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 4828 transitions. [2022-07-21 15:48:08,659 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 4828 transitions. Word has length 165 [2022-07-21 15:48:08,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:08,660 INFO L495 AbstractCegarLoop]: Abstraction has 4030 states and 4828 transitions. [2022-07-21 15:48:08,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2022-07-21 15:48:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4828 transitions. [2022-07-21 15:48:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-21 15:48:08,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:08,663 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:08,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-21 15:48:08,663 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:08,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:08,663 INFO L85 PathProgramCache]: Analyzing trace with hash -960462947, now seen corresponding path program 1 times [2022-07-21 15:48:08,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:08,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541174647] [2022-07-21 15:48:08,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 15:48:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:08,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:08,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541174647] [2022-07-21 15:48:08,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541174647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:08,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:08,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:08,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211669107] [2022-07-21 15:48:08,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:08,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:08,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:08,837 INFO L87 Difference]: Start difference. First operand 4030 states and 4828 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-07-21 15:48:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:10,132 INFO L93 Difference]: Finished difference Result 4030 states and 4828 transitions. [2022-07-21 15:48:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:10,133 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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 162 [2022-07-21 15:48:10,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:10,141 INFO L225 Difference]: With dead ends: 4030 [2022-07-21 15:48:10,141 INFO L226 Difference]: Without dead ends: 4028 [2022-07-21 15:48:10,142 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:10,143 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 1831 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:10,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2684 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:48:10,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4028 states. [2022-07-21 15:48:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4028 to 4028. [2022-07-21 15:48:10,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4028 states, 2748 states have (on average 1.1430131004366813) internal successors, (3141), 2832 states have internal predecessors, (3141), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-07-21 15:48:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 4825 transitions. [2022-07-21 15:48:10,384 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 4825 transitions. Word has length 162 [2022-07-21 15:48:10,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:10,385 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 4825 transitions. [2022-07-21 15:48:10,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 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) [2022-07-21 15:48:10,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4825 transitions. [2022-07-21 15:48:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-21 15:48:10,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:10,387 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:10,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-21 15:48:10,387 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash 418258293, now seen corresponding path program 1 times [2022-07-21 15:48:10,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:10,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773999399] [2022-07-21 15:48:10,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:10,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:48:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 15:48:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 15:48:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 15:48:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:10,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 15:48:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:48:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 15:48:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-21 15:48:10,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:10,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773999399] [2022-07-21 15:48:10,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773999399] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:10,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363786785] [2022-07-21 15:48:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:10,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:10,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:10,707 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) [2022-07-21 15:48:10,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 15:48:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:11,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 15:48:11,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-21 15:48:11,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:48:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-07-21 15:48:11,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363786785] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:48:11,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 15:48:11,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 20 [2022-07-21 15:48:11,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13075131] [2022-07-21 15:48:11,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 15:48:11,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-21 15:48:11,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:11,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-21 15:48:11,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:48:11,605 INFO L87 Difference]: Start difference. First operand 4028 states and 4825 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-07-21 15:48:17,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:17,128 INFO L93 Difference]: Finished difference Result 4408 states and 5289 transitions. [2022-07-21 15:48:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:48:17,129 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) Word has length 172 [2022-07-21 15:48:17,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:17,140 INFO L225 Difference]: With dead ends: 4408 [2022-07-21 15:48:17,140 INFO L226 Difference]: Without dead ends: 4406 [2022-07-21 15:48:17,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 389 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2022-07-21 15:48:17,144 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 4482 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 10563 mSolverCounterSat, 2473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 6057 SdHoareTripleChecker+Invalid, 13036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2473 IncrementalHoareTripleChecker+Valid, 10563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:17,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 6057 Invalid, 13036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2473 Valid, 10563 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-21 15:48:17,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2022-07-21 15:48:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 3948. [2022-07-21 15:48:17,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2695 states have (on average 1.1432282003710574) internal successors, (3081), 2773 states have internal predecessors, (3081), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-21 15:48:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4727 transitions. [2022-07-21 15:48:17,348 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4727 transitions. Word has length 172 [2022-07-21 15:48:17,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:17,349 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 4727 transitions. [2022-07-21 15:48:17,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-07-21 15:48:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4727 transitions. [2022-07-21 15:48:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-21 15:48:17,351 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:17,351 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:17,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:17,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-21 15:48:17,573 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:17,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:17,574 INFO L85 PathProgramCache]: Analyzing trace with hash -997639927, now seen corresponding path program 1 times [2022-07-21 15:48:17,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:17,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660961447] [2022-07-21 15:48:17,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:17,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 15:48:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 15:48:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:17,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:17,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660961447] [2022-07-21 15:48:17,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660961447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:17,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:17,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:17,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816654099] [2022-07-21 15:48:17,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:17,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:17,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:17,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:17,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:17,776 INFO L87 Difference]: Start difference. First operand 3948 states and 4727 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-07-21 15:48:19,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:19,096 INFO L93 Difference]: Finished difference Result 3948 states and 4727 transitions. [2022-07-21 15:48:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:19,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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 168 [2022-07-21 15:48:19,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:19,104 INFO L225 Difference]: With dead ends: 3948 [2022-07-21 15:48:19,105 INFO L226 Difference]: Without dead ends: 3946 [2022-07-21 15:48:19,106 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:19,106 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 1819 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:19,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2680 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:48:19,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-21 15:48:19,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946. [2022-07-21 15:48:19,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3946 states, 2694 states have (on average 1.1425389755011135) internal successors, (3078), 2771 states have internal predecessors, (3078), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-21 15:48:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4724 transitions. [2022-07-21 15:48:19,302 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4724 transitions. Word has length 168 [2022-07-21 15:48:19,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:19,303 INFO L495 AbstractCegarLoop]: Abstraction has 3946 states and 4724 transitions. [2022-07-21 15:48:19,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 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) [2022-07-21 15:48:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4724 transitions. [2022-07-21 15:48:19,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-21 15:48:19,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:19,305 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:19,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-21 15:48:19,305 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:19,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:19,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1151503070, now seen corresponding path program 1 times [2022-07-21 15:48:19,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:19,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593451627] [2022-07-21 15:48:19,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:19,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 15:48:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 15:48:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:48:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:19,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:19,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593451627] [2022-07-21 15:48:19,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593451627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:19,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:19,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:19,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077719078] [2022-07-21 15:48:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:19,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:19,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:19,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:19,533 INFO L87 Difference]: Start difference. First operand 3946 states and 4724 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-07-21 15:48:20,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:20,900 INFO L93 Difference]: Finished difference Result 3946 states and 4724 transitions. [2022-07-21 15:48:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:20,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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 174 [2022-07-21 15:48:20,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:20,908 INFO L225 Difference]: With dead ends: 3946 [2022-07-21 15:48:20,909 INFO L226 Difference]: Without dead ends: 3944 [2022-07-21 15:48:20,910 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:20,910 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 1813 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:20,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 2678 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:48:20,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-07-21 15:48:21,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944. [2022-07-21 15:48:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3944 states, 2693 states have (on average 1.1418492387671741) internal successors, (3075), 2769 states have internal predecessors, (3075), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-21 15:48:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4721 transitions. [2022-07-21 15:48:21,107 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4721 transitions. Word has length 174 [2022-07-21 15:48:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:21,107 INFO L495 AbstractCegarLoop]: Abstraction has 3944 states and 4721 transitions. [2022-07-21 15:48:21,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 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) [2022-07-21 15:48:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4721 transitions. [2022-07-21 15:48:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-21 15:48:21,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:21,110 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 15:48:21,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-21 15:48:21,110 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1321564324, now seen corresponding path program 1 times [2022-07-21 15:48:21,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:21,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509932868] [2022-07-21 15:48:21,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:21,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:48:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:48:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:48:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:48:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:48:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:48:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:48:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-21 15:48:21,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:21,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509932868] [2022-07-21 15:48:21,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509932868] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:21,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031083129] [2022-07-21 15:48:21,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:21,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:21,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:21,368 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) [2022-07-21 15:48:21,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 15:48:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:21,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 15:48:21,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-21 15:48:21,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:21,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031083129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:21,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:21,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-07-21 15:48:21,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869503347] [2022-07-21 15:48:21,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:21,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:48:21,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:48:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-21 15:48:21,981 INFO L87 Difference]: Start difference. First operand 3944 states and 4721 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 15:48:24,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:24,436 INFO L93 Difference]: Finished difference Result 4932 states and 5859 transitions. [2022-07-21 15:48:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 15:48:24,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 195 [2022-07-21 15:48:24,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:24,447 INFO L225 Difference]: With dead ends: 4932 [2022-07-21 15:48:24,447 INFO L226 Difference]: Without dead ends: 4930 [2022-07-21 15:48:24,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-07-21 15:48:24,449 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1986 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 3914 SdHoareTripleChecker+Invalid, 4687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:24,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3914 Invalid, 4687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 15:48:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2022-07-21 15:48:24,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4506. [2022-07-21 15:48:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4506 states, 3061 states have (on average 1.1394968964390721) internal successors, (3488), 3152 states have internal predecessors, (3488), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-21 15:48:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 5408 transitions. [2022-07-21 15:48:24,721 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 5408 transitions. Word has length 195 [2022-07-21 15:48:24,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:24,721 INFO L495 AbstractCegarLoop]: Abstraction has 4506 states and 5408 transitions. [2022-07-21 15:48:24,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 15:48:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 5408 transitions. [2022-07-21 15:48:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-21 15:48:24,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:24,724 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 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] [2022-07-21 15:48:24,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-07-21 15:48:24,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:24,939 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:24,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:24,940 INFO L85 PathProgramCache]: Analyzing trace with hash 177639198, now seen corresponding path program 1 times [2022-07-21 15:48:24,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:24,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241088992] [2022-07-21 15:48:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:48:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 15:48:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 15:48:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 15:48:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 15:48:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 15:48:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-07-21 15:48:25,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:25,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241088992] [2022-07-21 15:48:25,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241088992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:25,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:25,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 15:48:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518330843] [2022-07-21 15:48:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:25,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 15:48:25,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:25,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 15:48:25,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 15:48:25,108 INFO L87 Difference]: Start difference. First operand 4506 states and 5408 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 15:48:27,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:27,475 INFO L93 Difference]: Finished difference Result 4797 states and 5789 transitions. [2022-07-21 15:48:27,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:48:27,476 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2022-07-21 15:48:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:27,484 INFO L225 Difference]: With dead ends: 4797 [2022-07-21 15:48:27,484 INFO L226 Difference]: Without dead ends: 4795 [2022-07-21 15:48:27,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-07-21 15:48:27,486 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1904 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 4648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 3176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:27,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 4668 Invalid, 4648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 15:48:27,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-07-21 15:48:27,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4504. [2022-07-21 15:48:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 3060 states have (on average 1.1366013071895424) internal successors, (3478), 3150 states have internal predecessors, (3478), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-21 15:48:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 5398 transitions. [2022-07-21 15:48:27,745 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 5398 transitions. Word has length 200 [2022-07-21 15:48:27,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:27,745 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 5398 transitions. [2022-07-21 15:48:27,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-21 15:48:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 5398 transitions. [2022-07-21 15:48:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-21 15:48:27,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:27,747 INFO L195 NwaCegarLoop]: 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] [2022-07-21 15:48:27,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-21 15:48:27,748 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:27,748 INFO L85 PathProgramCache]: Analyzing trace with hash 133438446, now seen corresponding path program 1 times [2022-07-21 15:48:27,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:27,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024374588] [2022-07-21 15:48:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:27,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 15:48:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 15:48:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:48:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:48:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:27,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:27,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024374588] [2022-07-21 15:48:27,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024374588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:27,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:27,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:27,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930317451] [2022-07-21 15:48:27,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:27,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:27,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:27,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:27,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:27,902 INFO L87 Difference]: Start difference. First operand 4504 states and 5398 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 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) [2022-07-21 15:48:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:29,262 INFO L93 Difference]: Finished difference Result 4504 states and 5398 transitions. [2022-07-21 15:48:29,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:29,262 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 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 180 [2022-07-21 15:48:29,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:29,272 INFO L225 Difference]: With dead ends: 4504 [2022-07-21 15:48:29,272 INFO L226 Difference]: Without dead ends: 4502 [2022-07-21 15:48:29,273 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:29,274 INFO L413 NwaCegarLoop]: 1255 mSDtfsCounter, 1795 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:29,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 2672 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 15:48:29,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-07-21 15:48:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4502. [2022-07-21 15:48:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4502 states, 3059 states have (on average 1.1359921542987905) internal successors, (3475), 3148 states have internal predecessors, (3475), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-21 15:48:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4502 states and 5395 transitions. [2022-07-21 15:48:29,535 INFO L78 Accepts]: Start accepts. Automaton has 4502 states and 5395 transitions. Word has length 180 [2022-07-21 15:48:29,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:29,535 INFO L495 AbstractCegarLoop]: Abstraction has 4502 states and 5395 transitions. [2022-07-21 15:48:29,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 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) [2022-07-21 15:48:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4502 states and 5395 transitions. [2022-07-21 15:48:29,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-21 15:48:29,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:29,538 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:29,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-21 15:48:29,538 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:29,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:29,538 INFO L85 PathProgramCache]: Analyzing trace with hash 883703373, now seen corresponding path program 1 times [2022-07-21 15:48:29,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:29,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89376794] [2022-07-21 15:48:29,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:29,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 15:48:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 15:48:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 15:48:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:48:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 15:48:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 15:48:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 15:48:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 15:48:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 15:48:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 15:48:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:48:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:48:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 15:48:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 15:48:29,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:29,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89376794] [2022-07-21 15:48:29,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89376794] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:29,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:29,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:48:29,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369597376] [2022-07-21 15:48:29,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:29,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:29,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:29,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:29,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:48:29,708 INFO L87 Difference]: Start difference. First operand 4502 states and 5395 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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) [2022-07-21 15:48:31,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:31,040 INFO L93 Difference]: Finished difference Result 4502 states and 5395 transitions. [2022-07-21 15:48:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:31,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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 186 [2022-07-21 15:48:31,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:31,051 INFO L225 Difference]: With dead ends: 4502 [2022-07-21 15:48:31,051 INFO L226 Difference]: Without dead ends: 4109 [2022-07-21 15:48:31,054 INFO L412 NwaCegarLoop]: 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 [2022-07-21 15:48:31,054 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 1786 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:31,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2671 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 15:48:31,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-07-21 15:48:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 4106. [2022-07-21 15:48:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4106 states, 2803 states have (on average 1.140920442383161) internal successors, (3198), 2886 states have internal predecessors, (3198), 871 states have call successors, (871), 427 states have call predecessors, (871), 426 states have return successors, (872), 844 states have call predecessors, (872), 868 states have call successors, (872) [2022-07-21 15:48:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 4941 transitions. [2022-07-21 15:48:31,289 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 4941 transitions. Word has length 186 [2022-07-21 15:48:31,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:31,289 INFO L495 AbstractCegarLoop]: Abstraction has 4106 states and 4941 transitions. [2022-07-21 15:48:31,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 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) [2022-07-21 15:48:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 4941 transitions. [2022-07-21 15:48:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-21 15:48:31,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:31,293 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:31,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-21 15:48:31,293 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:31,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:31,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1354872773, now seen corresponding path program 1 times [2022-07-21 15:48:31,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:31,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469919146] [2022-07-21 15:48:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:31,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 15:48:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 15:48:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 15:48:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 15:48:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:48:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:48:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:48:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 15:48:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 15:48:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:48:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:48:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:48:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:48:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:48:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 15:48:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 15:48:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-21 15:48:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 15:48:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 15:48:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-21 15:48:31,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:31,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469919146] [2022-07-21 15:48:31,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469919146] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:31,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102093598] [2022-07-21 15:48:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:31,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:31,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:31,669 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) [2022-07-21 15:48:31,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 15:48:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:32,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 15:48:32,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-21 15:48:32,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:32,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102093598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:32,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:32,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2022-07-21 15:48:32,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449622316] [2022-07-21 15:48:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:32,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:48:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:32,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:48:32,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:48:32,326 INFO L87 Difference]: Start difference. First operand 4106 states and 4941 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 15:48:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:33,646 INFO L93 Difference]: Finished difference Result 4106 states and 4941 transitions. [2022-07-21 15:48:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:33,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 243 [2022-07-21 15:48:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:33,655 INFO L225 Difference]: With dead ends: 4106 [2022-07-21 15:48:33,655 INFO L226 Difference]: Without dead ends: 3827 [2022-07-21 15:48:33,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-07-21 15:48:33,656 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 1152 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:33,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2548 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:48:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-21 15:48:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3604. [2022-07-21 15:48:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 2463 states have (on average 1.1473812423873324) internal successors, (2826), 2542 states have internal predecessors, (2826), 771 states have call successors, (771), 365 states have call predecessors, (771), 365 states have return successors, (774), 745 states have call predecessors, (774), 770 states have call successors, (774) [2022-07-21 15:48:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4371 transitions. [2022-07-21 15:48:33,878 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4371 transitions. Word has length 243 [2022-07-21 15:48:33,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:33,879 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4371 transitions. [2022-07-21 15:48:33,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 15:48:33,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4371 transitions. [2022-07-21 15:48:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-21 15:48:33,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:33,884 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:33,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-21 15:48:34,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:34,088 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:34,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1417287744, now seen corresponding path program 1 times [2022-07-21 15:48:34,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:34,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006514797] [2022-07-21 15:48:34,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:34,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 15:48:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 15:48:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 15:48:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:48:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:48:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:48:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:48:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:48:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:48:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 15:48:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 15:48:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 15:48:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 15:48:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 15:48:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 15:48:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-21 15:48:34,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:34,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006514797] [2022-07-21 15:48:34,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006514797] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:34,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219256788] [2022-07-21 15:48:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:34,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:34,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:34,466 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) [2022-07-21 15:48:34,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 15:48:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:34,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-21 15:48:34,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-07-21 15:48:35,329 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:48:35,802 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-21 15:48:35,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219256788] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:35,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:48:35,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 7] total 23 [2022-07-21 15:48:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942098734] [2022-07-21 15:48:35,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:35,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:48:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:35,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:48:35,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-07-21 15:48:35,806 INFO L87 Difference]: Start difference. First operand 3604 states and 4371 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-21 15:48:39,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:39,212 INFO L93 Difference]: Finished difference Result 6373 states and 7963 transitions. [2022-07-21 15:48:39,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 15:48:39,213 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 361 [2022-07-21 15:48:39,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:39,227 INFO L225 Difference]: With dead ends: 6373 [2022-07-21 15:48:39,227 INFO L226 Difference]: Without dead ends: 6371 [2022-07-21 15:48:39,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 818 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2022-07-21 15:48:39,229 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 3346 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 2034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 4300 SdHoareTripleChecker+Invalid, 6410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2034 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:39,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 4300 Invalid, 6410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2034 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 15:48:39,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2022-07-21 15:48:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 5064. [2022-07-21 15:48:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 3486 states have (on average 1.1523235800344234) internal successors, (4017), 3581 states have internal predecessors, (4017), 1050 states have call successors, (1050), 523 states have call predecessors, (1050), 523 states have return successors, (1053), 1022 states have call predecessors, (1053), 1049 states have call successors, (1053) [2022-07-21 15:48:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 6120 transitions. [2022-07-21 15:48:39,579 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 6120 transitions. Word has length 361 [2022-07-21 15:48:39,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:39,579 INFO L495 AbstractCegarLoop]: Abstraction has 5064 states and 6120 transitions. [2022-07-21 15:48:39,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-21 15:48:39,579 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 6120 transitions. [2022-07-21 15:48:39,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-21 15:48:39,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:39,586 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:39,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:39,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:39,787 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:39,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:39,787 INFO L85 PathProgramCache]: Analyzing trace with hash 444150498, now seen corresponding path program 1 times [2022-07-21 15:48:39,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:39,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371939972] [2022-07-21 15:48:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:39,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:48:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:48:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:48:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:48:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:48:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:48:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 15:48:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 15:48:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 15:48:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 15:48:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-21 15:48:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:48:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 15:48:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:48:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:48:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 15:48:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 15:48:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-21 15:48:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 15:48:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 15:48:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 15:48:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:48:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-07-21 15:48:40,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371939972] [2022-07-21 15:48:40,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371939972] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:40,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022384144] [2022-07-21 15:48:40,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:40,253 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) [2022-07-21 15:48:40,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 15:48:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:40,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:48:40,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-21 15:48:40,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:40,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022384144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:40,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:40,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-07-21 15:48:40,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273821688] [2022-07-21 15:48:40,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:40,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:48:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:40,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:48:40,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-07-21 15:48:40,875 INFO L87 Difference]: Start difference. First operand 5064 states and 6120 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-21 15:48:41,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:41,230 INFO L93 Difference]: Finished difference Result 7550 states and 9094 transitions. [2022-07-21 15:48:41,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:48:41,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 422 [2022-07-21 15:48:41,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:41,243 INFO L225 Difference]: With dead ends: 7550 [2022-07-21 15:48:41,244 INFO L226 Difference]: Without dead ends: 4715 [2022-07-21 15:48:41,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-21 15:48:41,251 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 21 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 4733 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:41,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 4733 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 15:48:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2022-07-21 15:48:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4715. [2022-07-21 15:48:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4715 states, 3263 states have (on average 1.1523138216365307) internal successors, (3760), 3344 states have internal predecessors, (3760), 948 states have call successors, (948), 499 states have call predecessors, (948), 499 states have return successors, (951), 928 states have call predecessors, (951), 947 states have call successors, (951) [2022-07-21 15:48:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 5659 transitions. [2022-07-21 15:48:41,583 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 5659 transitions. Word has length 422 [2022-07-21 15:48:41,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:41,591 INFO L495 AbstractCegarLoop]: Abstraction has 4715 states and 5659 transitions. [2022-07-21 15:48:41,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-21 15:48:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 5659 transitions. [2022-07-21 15:48:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-21 15:48:41,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:41,598 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:41,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:41,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-07-21 15:48:41,815 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:41,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash -2127070789, now seen corresponding path program 1 times [2022-07-21 15:48:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:41,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245475830] [2022-07-21 15:48:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:41,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 15:48:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 15:48:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 15:48:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:48:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:48:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:48:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:48:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:48:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:48:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 15:48:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 15:48:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 15:48:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 15:48:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 15:48:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 15:48:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 15:48:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:48:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 15:48:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-21 15:48:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:42,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245475830] [2022-07-21 15:48:42,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245475830] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:42,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888820532] [2022-07-21 15:48:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:42,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:42,241 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) [2022-07-21 15:48:42,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-21 15:48:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:42,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:48:42,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-21 15:48:42,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:42,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888820532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:42,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:42,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-21 15:48:42,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942311489] [2022-07-21 15:48:42,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:42,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:48:42,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:42,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:48:42,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:42,927 INFO L87 Difference]: Start difference. First operand 4715 states and 5659 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 15:48:43,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:43,457 INFO L93 Difference]: Finished difference Result 8255 states and 9959 transitions. [2022-07-21 15:48:43,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:48:43,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 440 [2022-07-21 15:48:43,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:43,470 INFO L225 Difference]: With dead ends: 8255 [2022-07-21 15:48:43,470 INFO L226 Difference]: Without dead ends: 5046 [2022-07-21 15:48:43,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:43,477 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 116 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:43,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3734 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 15:48:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2022-07-21 15:48:43,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 4847. [2022-07-21 15:48:43,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4847 states, 3375 states have (on average 1.157925925925926) internal successors, (3908), 3456 states have internal predecessors, (3908), 968 states have call successors, (968), 499 states have call predecessors, (968), 499 states have return successors, (971), 948 states have call predecessors, (971), 967 states have call successors, (971) [2022-07-21 15:48:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5847 transitions. [2022-07-21 15:48:43,810 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5847 transitions. Word has length 440 [2022-07-21 15:48:43,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:43,810 INFO L495 AbstractCegarLoop]: Abstraction has 4847 states and 5847 transitions. [2022-07-21 15:48:43,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-21 15:48:43,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5847 transitions. [2022-07-21 15:48:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-21 15:48:43,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:43,816 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:43,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:44,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-07-21 15:48:44,017 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:44,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:44,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1111165305, now seen corresponding path program 1 times [2022-07-21 15:48:44,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:44,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72099363] [2022-07-21 15:48:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 15:48:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 15:48:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 15:48:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:48:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:48:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:48:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:48:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:48:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:48:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 15:48:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 15:48:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 15:48:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 15:48:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 15:48:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 15:48:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 15:48:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:48:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 15:48:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-21 15:48:44,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:44,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72099363] [2022-07-21 15:48:44,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72099363] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:44,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355404521] [2022-07-21 15:48:44,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:44,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:44,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:44,532 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) [2022-07-21 15:48:44,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-21 15:48:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:45,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:48:45,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-07-21 15:48:45,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:45,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355404521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:45,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:45,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-21 15:48:45,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974967330] [2022-07-21 15:48:45,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:45,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:48:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:48:45,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:45,122 INFO L87 Difference]: Start difference. First operand 4847 states and 5847 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2022-07-21 15:48:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:45,591 INFO L93 Difference]: Finished difference Result 5846 states and 7314 transitions. [2022-07-21 15:48:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:48:45,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 440 [2022-07-21 15:48:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:45,605 INFO L225 Difference]: With dead ends: 5846 [2022-07-21 15:48:45,605 INFO L226 Difference]: Without dead ends: 5844 [2022-07-21 15:48:45,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2022-07-21 15:48:45,608 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 409 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:45,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 4098 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 15:48:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2022-07-21 15:48:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 4855. [2022-07-21 15:48:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4855 states, 3383 states have (on average 1.1575524682234704) internal successors, (3916), 3464 states have internal predecessors, (3916), 968 states have call successors, (968), 499 states have call predecessors, (968), 499 states have return successors, (971), 948 states have call predecessors, (971), 967 states have call successors, (971) [2022-07-21 15:48:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 5855 transitions. [2022-07-21 15:48:45,984 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 5855 transitions. Word has length 440 [2022-07-21 15:48:45,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:45,984 INFO L495 AbstractCegarLoop]: Abstraction has 4855 states and 5855 transitions. [2022-07-21 15:48:45,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2022-07-21 15:48:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5855 transitions. [2022-07-21 15:48:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-21 15:48:45,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:45,991 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:46,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:46,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-07-21 15:48:46,191 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:46,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:46,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1111105723, now seen corresponding path program 1 times [2022-07-21 15:48:46,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:46,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917039670] [2022-07-21 15:48:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:46,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:48:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:48:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:48:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:48:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:48:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:48:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:48:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:48:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:48:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 15:48:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 15:48:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:48:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 15:48:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:48:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:48:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:48:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 15:48:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:48:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 15:48:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 15:48:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 15:48:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 15:48:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 15:48:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 15:48:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 15:48:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 15:48:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:48:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 15:48:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:46,724 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-21 15:48:46,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:46,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917039670] [2022-07-21 15:48:46,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917039670] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:48:46,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993015595] [2022-07-21 15:48:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:46,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:48:46,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:48:46,726 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) [2022-07-21 15:48:46,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-21 15:48:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-21 15:48:47,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:48:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-07-21 15:48:47,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:48:47,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993015595] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:47,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:48:47,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2022-07-21 15:48:47,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921923047] [2022-07-21 15:48:47,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:47,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:48:47,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:48:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-21 15:48:47,834 INFO L87 Difference]: Start difference. First operand 4855 states and 5855 transitions. Second operand has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-07-21 15:48:48,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:48,889 INFO L93 Difference]: Finished difference Result 9208 states and 11082 transitions. [2022-07-21 15:48:48,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:48:48,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 440 [2022-07-21 15:48:48,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:48,904 INFO L225 Difference]: With dead ends: 9208 [2022-07-21 15:48:48,904 INFO L226 Difference]: Without dead ends: 5193 [2022-07-21 15:48:48,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-21 15:48:48,914 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 250 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:48,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 3395 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 15:48:48,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5193 states. [2022-07-21 15:48:49,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5193 to 5190. [2022-07-21 15:48:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5190 states, 3599 states have (on average 1.153931647679911) internal successors, (4153), 3690 states have internal predecessors, (4153), 1052 states have call successors, (1052), 534 states have call predecessors, (1052), 534 states have return successors, (1057), 1027 states have call predecessors, (1057), 1051 states have call successors, (1057) [2022-07-21 15:48:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 6262 transitions. [2022-07-21 15:48:49,296 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 6262 transitions. Word has length 440 [2022-07-21 15:48:49,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:49,297 INFO L495 AbstractCegarLoop]: Abstraction has 5190 states and 6262 transitions. [2022-07-21 15:48:49,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-07-21 15:48:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 6262 transitions. [2022-07-21 15:48:49,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-21 15:48:49,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:49,305 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:49,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-21 15:48:49,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-07-21 15:48:49,512 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash -845113554, now seen corresponding path program 1 times [2022-07-21 15:48:49,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360435760] [2022-07-21 15:48:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 15:48:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 15:48:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 15:48:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 15:48:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:48:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:48:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:48:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 15:48:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 15:48:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 15:48:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:48:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 15:48:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:48:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:48:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:48:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:48:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 15:48:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:48:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 15:48:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 15:48:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 15:48:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 15:48:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 15:48:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-21 15:48:49,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:49,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360435760] [2022-07-21 15:48:49,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360435760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:49,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:49,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 15:48:49,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513078935] [2022-07-21 15:48:49,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:49,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 15:48:49,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:49,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 15:48:49,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:48:49,955 INFO L87 Difference]: Start difference. First operand 5190 states and 6262 transitions. Second operand has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 15:48:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:52,534 INFO L93 Difference]: Finished difference Result 9496 states and 11620 transitions. [2022-07-21 15:48:52,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 15:48:52,535 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 470 [2022-07-21 15:48:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:52,550 INFO L225 Difference]: With dead ends: 9496 [2022-07-21 15:48:52,550 INFO L226 Difference]: Without dead ends: 6147 [2022-07-21 15:48:52,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:52,557 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 2374 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:52,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 5295 Invalid, 4345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 15:48:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-21 15:48:52,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5218. [2022-07-21 15:48:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5218 states, 3623 states have (on average 1.15622412365443) internal successors, (4189), 3714 states have internal predecessors, (4189), 1056 states have call successors, (1056), 534 states have call predecessors, (1056), 534 states have return successors, (1061), 1031 states have call predecessors, (1061), 1055 states have call successors, (1061) [2022-07-21 15:48:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 6306 transitions. [2022-07-21 15:48:53,007 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 6306 transitions. Word has length 470 [2022-07-21 15:48:53,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:53,007 INFO L495 AbstractCegarLoop]: Abstraction has 5218 states and 6306 transitions. [2022-07-21 15:48:53,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-21 15:48:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 6306 transitions. [2022-07-21 15:48:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-21 15:48:53,015 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:53,015 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:53,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-21 15:48:53,015 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:53,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:53,015 INFO L85 PathProgramCache]: Analyzing trace with hash -510338210, now seen corresponding path program 1 times [2022-07-21 15:48:53,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:53,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492597150] [2022-07-21 15:48:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:53,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 15:48:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 15:48:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 15:48:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 15:48:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:48:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:48:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:48:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 15:48:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 15:48:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 15:48:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:48:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 15:48:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:48:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:48:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:48:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:48:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 15:48:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:48:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 15:48:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 15:48:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 15:48:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 15:48:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 15:48:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 15:48:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-21 15:48:53,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:53,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492597150] [2022-07-21 15:48:53,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492597150] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:53,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:53,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:48:53,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320202405] [2022-07-21 15:48:53,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:53,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:48:53,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:53,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:48:53,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:48:53,443 INFO L87 Difference]: Start difference. First operand 5218 states and 6306 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-21 15:48:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:57,114 INFO L93 Difference]: Finished difference Result 9645 states and 11701 transitions. [2022-07-21 15:48:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:48:57,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 477 [2022-07-21 15:48:57,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:57,129 INFO L225 Difference]: With dead ends: 9645 [2022-07-21 15:48:57,129 INFO L226 Difference]: Without dead ends: 6268 [2022-07-21 15:48:57,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-07-21 15:48:57,137 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 4028 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 2534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 7154 SdHoareTripleChecker+Invalid, 7061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2534 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:57,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 7154 Invalid, 7061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2534 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 15:48:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2022-07-21 15:48:57,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5355. [2022-07-21 15:48:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5355 states, 3717 states have (on average 1.1501210653753027) internal successors, (4275), 3805 states have internal predecessors, (4275), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 566 states have return successors, (1073), 1043 states have call predecessors, (1073), 1067 states have call successors, (1073) [2022-07-21 15:48:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 6416 transitions. [2022-07-21 15:48:57,564 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 6416 transitions. Word has length 477 [2022-07-21 15:48:57,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:48:57,565 INFO L495 AbstractCegarLoop]: Abstraction has 5355 states and 6416 transitions. [2022-07-21 15:48:57,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-21 15:48:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 6416 transitions. [2022-07-21 15:48:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-21 15:48:57,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:48:57,572 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:48:57,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-21 15:48:57,572 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:48:57,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:48:57,573 INFO L85 PathProgramCache]: Analyzing trace with hash -461320862, now seen corresponding path program 1 times [2022-07-21 15:48:57,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:48:57,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732670525] [2022-07-21 15:48:57,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:48:57,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:48:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:48:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:48:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:48:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 15:48:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:48:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:48:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:48:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:48:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 15:48:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 15:48:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:48:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:48:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 15:48:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:48:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:48:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:48:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 15:48:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 15:48:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 15:48:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:48:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 15:48:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:48:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:48:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:48:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:48:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:48:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 15:48:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:48:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 15:48:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 15:48:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 15:48:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:48:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:48:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:48:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:48:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 15:48:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:48:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 15:48:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:48:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:48:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 15:48:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:48:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-21 15:48:57,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:48:57,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732670525] [2022-07-21 15:48:57,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732670525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:48:57,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:48:57,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 15:48:57,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709467915] [2022-07-21 15:48:57,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:48:57,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 15:48:57,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:48:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 15:48:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:48:57,959 INFO L87 Difference]: Start difference. First operand 5355 states and 6416 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-21 15:48:59,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:48:59,816 INFO L93 Difference]: Finished difference Result 9319 states and 11125 transitions. [2022-07-21 15:48:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 15:48:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 481 [2022-07-21 15:48:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:48:59,826 INFO L225 Difference]: With dead ends: 9319 [2022-07-21 15:48:59,827 INFO L226 Difference]: Without dead ends: 5660 [2022-07-21 15:48:59,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:48:59,832 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 3474 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 2349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2349 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:48:59,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 3516 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2349 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 15:48:59,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2022-07-21 15:49:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5345. [2022-07-21 15:49:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5345 states, 3708 states have (on average 1.1483279395900756) internal successors, (4258), 3795 states have internal predecessors, (4258), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 566 states have return successors, (1073), 1043 states have call predecessors, (1073), 1067 states have call successors, (1073) [2022-07-21 15:49:00,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6399 transitions. [2022-07-21 15:49:00,216 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6399 transitions. Word has length 481 [2022-07-21 15:49:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:00,216 INFO L495 AbstractCegarLoop]: Abstraction has 5345 states and 6399 transitions. [2022-07-21 15:49:00,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-21 15:49:00,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6399 transitions. [2022-07-21 15:49:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-21 15:49:00,223 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:00,224 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:00,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-21 15:49:00,224 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:00,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:00,224 INFO L85 PathProgramCache]: Analyzing trace with hash 935171739, now seen corresponding path program 1 times [2022-07-21 15:49:00,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:00,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182407737] [2022-07-21 15:49:00,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:49:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:49:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:49:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:49:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:49:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:49:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:49:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:49:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:49:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:49:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:49:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:49:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:49:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:49:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:49:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:49:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:49:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 15:49:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 15:49:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 15:49:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 15:49:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:49:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 15:49:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:49:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 15:49:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 15:49:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 15:49:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 15:49:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 15:49:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 15:49:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 15:49:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 15:49:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 15:49:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-21 15:49:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 15:49:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 15:49:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 15:49:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 15:49:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 15:49:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 15:49:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:49:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 15:49:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 15:49:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 15:49:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:49:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-21 15:49:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2022-07-21 15:49:00,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:00,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182407737] [2022-07-21 15:49:00,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182407737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:49:00,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:49:00,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:49:00,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831221439] [2022-07-21 15:49:00,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:49:00,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:49:00,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:00,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:49:00,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:49:00,604 INFO L87 Difference]: Start difference. First operand 5345 states and 6399 transitions. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 15:49:03,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:03,966 INFO L93 Difference]: Finished difference Result 10382 states and 12465 transitions. [2022-07-21 15:49:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:49:03,967 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 505 [2022-07-21 15:49:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:03,981 INFO L225 Difference]: With dead ends: 10382 [2022-07-21 15:49:03,981 INFO L226 Difference]: Without dead ends: 5850 [2022-07-21 15:49:03,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2022-07-21 15:49:03,991 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2230 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 1941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 6187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1941 IncrementalHoareTripleChecker+Valid, 4246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:03,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 6041 Invalid, 6187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1941 Valid, 4246 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 15:49:03,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2022-07-21 15:49:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5437. [2022-07-21 15:49:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5437 states, 3781 states have (on average 1.1454641629198625) internal successors, (4331), 3869 states have internal predecessors, (4331), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 585 states have return successors, (1093), 1061 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-07-21 15:49:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 6492 transitions. [2022-07-21 15:49:04,403 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 6492 transitions. Word has length 505 [2022-07-21 15:49:04,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:04,403 INFO L495 AbstractCegarLoop]: Abstraction has 5437 states and 6492 transitions. [2022-07-21 15:49:04,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-21 15:49:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 6492 transitions. [2022-07-21 15:49:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-21 15:49:04,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:04,411 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:04,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-21 15:49:04,411 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:04,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:04,412 INFO L85 PathProgramCache]: Analyzing trace with hash 542144729, now seen corresponding path program 1 times [2022-07-21 15:49:04,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:04,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090780370] [2022-07-21 15:49:04,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:04,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:49:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:49:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:49:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:49:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:49:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:49:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:49:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:49:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:49:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:49:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:49:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:49:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:49:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:49:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:49:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:49:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:49:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 15:49:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 15:49:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 15:49:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 15:49:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:49:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 15:49:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:49:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 15:49:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 15:49:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 15:49:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 15:49:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 15:49:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 15:49:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 15:49:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 15:49:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 15:49:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-21 15:49:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 15:49:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 15:49:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 15:49:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 15:49:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 15:49:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 15:49:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:49:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-21 15:49:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 15:49:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 15:49:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 15:49:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-21 15:49:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-21 15:49:04,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:04,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090780370] [2022-07-21 15:49:04,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090780370] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:49:04,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388761865] [2022-07-21 15:49:04,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:04,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:04,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:04,954 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:04,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-21 15:49:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:05,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:49:05,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2022-07-21 15:49:06,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:49:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-21 15:49:06,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388761865] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:49:06,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 15:49:06,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 9] total 20 [2022-07-21 15:49:06,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659548066] [2022-07-21 15:49:06,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 15:49:06,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-21 15:49:06,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:06,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-21 15:49:06,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:49:06,588 INFO L87 Difference]: Start difference. First operand 5437 states and 6492 transitions. Second operand has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) [2022-07-21 15:49:11,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:11,104 INFO L93 Difference]: Finished difference Result 5814 states and 6984 transitions. [2022-07-21 15:49:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 15:49:11,105 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) Word has length 505 [2022-07-21 15:49:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:11,115 INFO L225 Difference]: With dead ends: 5814 [2022-07-21 15:49:11,115 INFO L226 Difference]: Without dead ends: 5812 [2022-07-21 15:49:11,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1167 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=922, Unknown=0, NotChecked=0, Total=1190 [2022-07-21 15:49:11,117 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 4777 mSDsluCounter, 5393 mSDsCounter, 0 mSdLazyCounter, 6624 mSolverCounterSat, 3211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4897 SdHoareTripleChecker+Valid, 6422 SdHoareTripleChecker+Invalid, 9835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3211 IncrementalHoareTripleChecker+Valid, 6624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:11,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4897 Valid, 6422 Invalid, 9835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3211 Valid, 6624 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-21 15:49:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-07-21 15:49:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 4421. [2022-07-21 15:49:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3067 states have (on average 1.1415063580045648) internal successors, (3501), 3144 states have internal predecessors, (3501), 885 states have call successors, (885), 453 states have call predecessors, (885), 467 states have return successors, (905), 874 states have call predecessors, (905), 884 states have call successors, (905) [2022-07-21 15:49:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 5291 transitions. [2022-07-21 15:49:11,483 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 5291 transitions. Word has length 505 [2022-07-21 15:49:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:11,484 INFO L495 AbstractCegarLoop]: Abstraction has 4421 states and 5291 transitions. [2022-07-21 15:49:11,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) [2022-07-21 15:49:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 5291 transitions. [2022-07-21 15:49:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-21 15:49:11,491 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:11,491 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:11,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-21 15:49:11,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-07-21 15:49:11,692 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:11,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:11,692 INFO L85 PathProgramCache]: Analyzing trace with hash 610364250, now seen corresponding path program 1 times [2022-07-21 15:49:11,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:11,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765821128] [2022-07-21 15:49:11,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:49:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:49:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:49:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:49:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:49:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:49:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:49:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:49:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:49:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:49:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:49:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:49:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 15:49:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 15:49:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 15:49:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 15:49:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:49:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 15:49:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 15:49:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 15:49:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 15:49:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 15:49:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 15:49:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:49:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 15:49:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 15:49:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 15:49:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 15:49:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 15:49:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 15:49:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 15:49:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 15:49:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-21 15:49:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-21 15:49:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 15:49:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 15:49:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 15:49:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 15:49:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 15:49:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-21 15:49:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-21 15:49:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-21 15:49:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-21 15:49:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 15:49:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 15:49:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-21 15:49:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 15:49:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-21 15:49:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 15:49:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-21 15:49:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-21 15:49:12,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:12,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765821128] [2022-07-21 15:49:12,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765821128] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:49:12,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695643927] [2022-07-21 15:49:12,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:12,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:12,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:12,191 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:12,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-21 15:49:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:12,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:49:12,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 509 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2022-07-21 15:49:13,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:49:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-21 15:49:13,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695643927] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:49:13,982 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 15:49:13,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 18 [2022-07-21 15:49:13,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789621419] [2022-07-21 15:49:13,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 15:49:13,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 15:49:13,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:13,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 15:49:13,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-07-21 15:49:13,984 INFO L87 Difference]: Start difference. First operand 4421 states and 5291 transitions. Second operand has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-07-21 15:49:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:18,189 INFO L93 Difference]: Finished difference Result 4640 states and 5575 transitions. [2022-07-21 15:49:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 15:49:18,189 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 538 [2022-07-21 15:49:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:18,198 INFO L225 Difference]: With dead ends: 4640 [2022-07-21 15:49:18,198 INFO L226 Difference]: Without dead ends: 4180 [2022-07-21 15:49:18,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1268 GetRequests, 1237 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-07-21 15:49:18,201 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 4559 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 2844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4664 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 8839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2844 IncrementalHoareTripleChecker+Valid, 5995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:18,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4664 Valid, 5367 Invalid, 8839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2844 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 15:49:18,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2022-07-21 15:49:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 3988. [2022-07-21 15:49:18,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3988 states, 2775 states have (on average 1.144864864864865) internal successors, (3177), 2841 states have internal predecessors, (3177), 789 states have call successors, (789), 410 states have call predecessors, (789), 423 states have return successors, (808), 783 states have call predecessors, (808), 788 states have call successors, (808) [2022-07-21 15:49:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 4774 transitions. [2022-07-21 15:49:18,561 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 4774 transitions. Word has length 538 [2022-07-21 15:49:18,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:18,561 INFO L495 AbstractCegarLoop]: Abstraction has 3988 states and 4774 transitions. [2022-07-21 15:49:18,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-07-21 15:49:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4774 transitions. [2022-07-21 15:49:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-21 15:49:18,570 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:18,571 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:18,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-21 15:49:18,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-07-21 15:49:18,787 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:18,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1365941636, now seen corresponding path program 1 times [2022-07-21 15:49:18,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:18,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090286234] [2022-07-21 15:49:18,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:18,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:49:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:49:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 15:49:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:49:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:49:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:49:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 15:49:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 15:49:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:49:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:49:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 15:49:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:49:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:49:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:49:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 15:49:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 15:49:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 15:49:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:49:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 15:49:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:49:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:49:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:49:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:49:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 15:49:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:49:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 15:49:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 15:49:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 15:49:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 15:49:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:49:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 15:49:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 15:49:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-21 15:49:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 15:49:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 15:49:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 15:49:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:49:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 15:49:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-21 15:49:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-21 15:49:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-21 15:49:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 15:49:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-21 15:49:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-21 15:49:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-21 15:49:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-21 15:49:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-21 15:49:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-21 15:49:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-21 15:49:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-21 15:49:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-21 15:49:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-21 15:49:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-21 15:49:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-21 15:49:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-21 15:49:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-21 15:49:19,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:19,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090286234] [2022-07-21 15:49:19,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090286234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:49:19,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:49:19,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 15:49:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907902639] [2022-07-21 15:49:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:49:19,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 15:49:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:19,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 15:49:19,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-21 15:49:19,333 INFO L87 Difference]: Start difference. First operand 3988 states and 4774 transitions. Second operand has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-21 15:49:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:21,915 INFO L93 Difference]: Finished difference Result 7157 states and 8710 transitions. [2022-07-21 15:49:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 15:49:21,916 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-07-21 15:49:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:21,928 INFO L225 Difference]: With dead ends: 7157 [2022-07-21 15:49:21,928 INFO L226 Difference]: Without dead ends: 4761 [2022-07-21 15:49:21,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:49:21,934 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 2719 mSDsluCounter, 3919 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:21,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5286 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2265 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 15:49:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2022-07-21 15:49:22,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 3991. [2022-07-21 15:49:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3991 states, 2778 states have (on average 1.144708423326134) internal successors, (3180), 2844 states have internal predecessors, (3180), 789 states have call successors, (789), 410 states have call predecessors, (789), 423 states have return successors, (808), 783 states have call predecessors, (808), 788 states have call successors, (808) [2022-07-21 15:49:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 4777 transitions. [2022-07-21 15:49:22,312 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 4777 transitions. Word has length 722 [2022-07-21 15:49:22,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:22,313 INFO L495 AbstractCegarLoop]: Abstraction has 3991 states and 4777 transitions. [2022-07-21 15:49:22,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-21 15:49:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 4777 transitions. [2022-07-21 15:49:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-21 15:49:22,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:22,323 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:22,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-21 15:49:22,323 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:22,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:22,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1422806982, now seen corresponding path program 1 times [2022-07-21 15:49:22,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:22,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163370276] [2022-07-21 15:49:22,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 15:49:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 15:49:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 15:49:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:49:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 15:49:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 15:49:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 15:49:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 15:49:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 15:49:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 15:49:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 15:49:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 15:49:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 15:49:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 15:49:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-21 15:49:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 15:49:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 15:49:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 15:49:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 15:49:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 15:49:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:49:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 15:49:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:49:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 15:49:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 15:49:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 15:49:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 15:49:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 15:49:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-21 15:49:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:49:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 15:49:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-21 15:49:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-21 15:49:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 15:49:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 15:49:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 15:49:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:49:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 15:49:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-21 15:49:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-21 15:49:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-21 15:49:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 15:49:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-21 15:49:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-21 15:49:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-21 15:49:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-21 15:49:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-21 15:49:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-21 15:49:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-21 15:49:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-21 15:49:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-21 15:49:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-21 15:49:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-21 15:49:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-21 15:49:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-21 15:49:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-21 15:49:23,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:23,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163370276] [2022-07-21 15:49:23,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163370276] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:49:23,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:49:23,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-21 15:49:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772837131] [2022-07-21 15:49:23,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:49:23,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 15:49:23,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 15:49:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-21 15:49:23,031 INFO L87 Difference]: Start difference. First operand 3991 states and 4777 transitions. Second operand has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-21 15:49:28,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:28,586 INFO L93 Difference]: Finished difference Result 7748 states and 9584 transitions. [2022-07-21 15:49:28,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 15:49:28,586 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-07-21 15:49:28,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:28,599 INFO L225 Difference]: With dead ends: 7748 [2022-07-21 15:49:28,599 INFO L226 Difference]: Without dead ends: 5349 [2022-07-21 15:49:28,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2022-07-21 15:49:28,605 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 3347 mSDsluCounter, 9220 mSDsCounter, 0 mSdLazyCounter, 7704 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 10645 SdHoareTripleChecker+Invalid, 10076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2372 IncrementalHoareTripleChecker+Valid, 7704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:28,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 10645 Invalid, 10076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2372 Valid, 7704 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 15:49:28,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-07-21 15:49:28,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4015. [2022-07-21 15:49:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 2799 states have (on average 1.1436227224008575) internal successors, (3201), 2865 states have internal predecessors, (3201), 789 states have call successors, (789), 410 states have call predecessors, (789), 426 states have return successors, (811), 786 states have call predecessors, (811), 788 states have call successors, (811) [2022-07-21 15:49:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 4801 transitions. [2022-07-21 15:49:28,963 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 4801 transitions. Word has length 722 [2022-07-21 15:49:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:28,963 INFO L495 AbstractCegarLoop]: Abstraction has 4015 states and 4801 transitions. [2022-07-21 15:49:28,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-21 15:49:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4801 transitions. [2022-07-21 15:49:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-07-21 15:49:28,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:28,974 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:28,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-21 15:49:28,974 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:28,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash -105048126, now seen corresponding path program 1 times [2022-07-21 15:49:28,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:28,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364569177] [2022-07-21 15:49:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:28,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:29,031 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:49:29,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1465877151] [2022-07-21 15:49:29,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:29,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:29,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-21 15:49:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:29,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-21 15:49:29,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:29,928 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 15:49:29,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-21 15:49:29,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-21 15:49:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1225 proven. 211 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-07-21 15:49:31,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:49:31,618 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1176 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_dispatch_register_10_2_#t~ret531#1.base| v_ArrVal_1176) |c_~#nfnl_log_net_id~0.base|) |c_~#nfnl_log_net_id~0.offset|) 0)) is different from false [2022-07-21 15:49:31,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:31,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364569177] [2022-07-21 15:49:31,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 15:49:31,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465877151] [2022-07-21 15:49:31,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465877151] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:49:31,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:49:31,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-07-21 15:49:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752600243] [2022-07-21 15:49:31,693 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-21 15:49:31,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 15:49:31,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:31,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 15:49:31,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=275, Unknown=6, NotChecked=34, Total=380 [2022-07-21 15:49:31,695 INFO L87 Difference]: Start difference. First operand 4015 states and 4801 transitions. Second operand has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) [2022-07-21 15:49:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:33,639 INFO L93 Difference]: Finished difference Result 6745 states and 8057 transitions. [2022-07-21 15:49:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 15:49:33,640 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) Word has length 743 [2022-07-21 15:49:33,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:33,646 INFO L225 Difference]: With dead ends: 6745 [2022-07-21 15:49:33,647 INFO L226 Difference]: Without dead ends: 2980 [2022-07-21 15:49:33,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1457 GetRequests, 1426 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=802, Unknown=6, NotChecked=60, Total=1056 [2022-07-21 15:49:33,654 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 678 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 2974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:33,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 3553 Invalid, 2974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 15:49:33,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2022-07-21 15:49:33,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2657. [2022-07-21 15:49:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 1840 states have (on average 1.1391304347826088) internal successors, (2096), 1880 states have internal predecessors, (2096), 524 states have call successors, (524), 282 states have call predecessors, (524), 292 states have return successors, (540), 522 states have call predecessors, (540), 523 states have call successors, (540) [2022-07-21 15:49:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3160 transitions. [2022-07-21 15:49:33,898 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3160 transitions. Word has length 743 [2022-07-21 15:49:33,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:33,899 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 3160 transitions. [2022-07-21 15:49:33,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) [2022-07-21 15:49:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3160 transitions. [2022-07-21 15:49:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-21 15:49:33,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:33,907 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:33,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-21 15:49:34,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:34,108 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:34,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash -666768630, now seen corresponding path program 1 times [2022-07-21 15:49:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:34,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372842501] [2022-07-21 15:49:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:34,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:49:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 15:49:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:49:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 15:49:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 15:49:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:49:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 15:49:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 15:49:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 15:49:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 15:49:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 15:49:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:49:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:49:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:49:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 15:49:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 15:49:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 15:49:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 15:49:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 15:49:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 15:49:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 15:49:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 15:49:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 15:49:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 15:49:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 15:49:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-21 15:49:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 15:49:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 15:49:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 15:49:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 15:49:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-21 15:49:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 15:49:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 15:49:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 15:49:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 15:49:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:49:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 15:49:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 15:49:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 15:49:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 15:49:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 15:49:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 15:49:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 15:49:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:49:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 15:49:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 15:49:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 15:49:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 15:49:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 15:49:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 15:49:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:49:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:49:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-21 15:49:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-21 15:49:34,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:34,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372842501] [2022-07-21 15:49:34,643 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-21 15:49:34,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293426764] [2022-07-21 15:49:34,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:34,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:34,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:34,645 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:34,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-21 15:49:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:35,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 4099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:49:35,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-21 15:49:35,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:49:35,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293426764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:49:35,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:49:35,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:49:35,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360823433] [2022-07-21 15:49:35,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:49:35,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:49:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:35,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:49:35,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:49:35,385 INFO L87 Difference]: Start difference. First operand 2657 states and 3160 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-07-21 15:49:35,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:35,706 INFO L93 Difference]: Finished difference Result 5937 states and 7296 transitions. [2022-07-21 15:49:35,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:49:35,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) Word has length 843 [2022-07-21 15:49:35,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:35,715 INFO L225 Difference]: With dead ends: 5937 [2022-07-21 15:49:35,715 INFO L226 Difference]: Without dead ends: 3475 [2022-07-21 15:49:35,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1018 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:49:35,721 INFO L413 NwaCegarLoop]: 1332 mSDtfsCounter, 303 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:35,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2505 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 15:49:35,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2022-07-21 15:49:35,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2660. [2022-07-21 15:49:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1843 states have (on average 1.138903960933261) internal successors, (2099), 1883 states have internal predecessors, (2099), 524 states have call successors, (524), 282 states have call predecessors, (524), 292 states have return successors, (540), 522 states have call predecessors, (540), 523 states have call successors, (540) [2022-07-21 15:49:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3163 transitions. [2022-07-21 15:49:35,973 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3163 transitions. Word has length 843 [2022-07-21 15:49:35,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:35,973 INFO L495 AbstractCegarLoop]: Abstraction has 2660 states and 3163 transitions. [2022-07-21 15:49:35,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-07-21 15:49:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3163 transitions. [2022-07-21 15:49:35,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-21 15:49:35,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:35,981 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:36,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-21 15:49:36,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:36,182 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 58861708, now seen corresponding path program 1 times [2022-07-21 15:49:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:36,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110888481] [2022-07-21 15:49:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:36,249 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:49:36,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610422392] [2022-07-21 15:49:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:36,251 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:36,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-21 15:49:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:37,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 4098 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-21 15:49:37,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:37,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-21 15:49:41,749 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-21 15:49:41,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-07-21 15:49:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1469 proven. 0 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2022-07-21 15:49:45,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:49:45,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:49:45,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110888481] [2022-07-21 15:49:45,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 15:49:45,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610422392] [2022-07-21 15:49:45,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610422392] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:49:45,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:49:45,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 15:49:45,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345017398] [2022-07-21 15:49:45,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:49:45,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:49:45,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:49:45,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:49:45,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=106, Unknown=10, NotChecked=0, Total=156 [2022-07-21 15:49:45,402 INFO L87 Difference]: Start difference. First operand 2660 states and 3163 transitions. Second operand has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) [2022-07-21 15:49:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:49:53,588 INFO L93 Difference]: Finished difference Result 7659 states and 9159 transitions. [2022-07-21 15:49:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 15:49:53,588 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) Word has length 843 [2022-07-21 15:49:53,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:49:53,599 INFO L225 Difference]: With dead ends: 7659 [2022-07-21 15:49:53,600 INFO L226 Difference]: Without dead ends: 5332 [2022-07-21 15:49:53,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=90, Invalid=273, Unknown=17, NotChecked=0, Total=380 [2022-07-21 15:49:53,606 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 1273 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 6561 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 5388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2307 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:49:53,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 6561 Invalid, 8239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 5388 Invalid, 0 Unknown, 2307 Unchecked, 3.6s Time] [2022-07-21 15:49:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-07-21 15:49:54,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 4244. [2022-07-21 15:49:54,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4244 states, 2924 states have (on average 1.140218878248974) internal successors, (3334), 2993 states have internal predecessors, (3334), 856 states have call successors, (856), 448 states have call predecessors, (856), 463 states have return successors, (888), 849 states have call predecessors, (888), 855 states have call successors, (888) [2022-07-21 15:49:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5078 transitions. [2022-07-21 15:49:54,101 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5078 transitions. Word has length 843 [2022-07-21 15:49:54,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:49:54,102 INFO L495 AbstractCegarLoop]: Abstraction has 4244 states and 5078 transitions. [2022-07-21 15:49:54,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) [2022-07-21 15:49:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5078 transitions. [2022-07-21 15:49:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2022-07-21 15:49:54,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:49:54,113 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:49:54,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-07-21 15:49:54,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:54,338 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:49:54,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:49:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash -890771832, now seen corresponding path program 1 times [2022-07-21 15:49:54,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:49:54,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76194780] [2022-07-21 15:49:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:49:54,399 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:49:54,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062783343] [2022-07-21 15:49:54,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:49:54,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:49:54,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:49:54,401 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:49:54,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-21 15:49:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:49:55,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 4197 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-21 15:49:55,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:49:55,834 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-21 15:50:00,001 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-07-21 15:50:00,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-07-21 15:50:00,042 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-21 15:50:03,647 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-21 15:50:03,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-07-21 15:50:07,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1481 proven. 2 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2022-07-21 15:50:07,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:50:08,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:50:08,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76194780] [2022-07-21 15:50:08,615 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 15:50:08,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062783343] [2022-07-21 15:50:08,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062783343] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:50:08,615 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:50:08,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-07-21 15:50:08,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42207205] [2022-07-21 15:50:08,615 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-21 15:50:08,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:50:08,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:50:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:50:08,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=299, Unknown=10, NotChecked=0, Total=380 [2022-07-21 15:50:08,617 INFO L87 Difference]: Start difference. First operand 4244 states and 5078 transitions. Second operand has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) [2022-07-21 15:50:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:50:18,073 INFO L93 Difference]: Finished difference Result 10657 states and 12846 transitions. [2022-07-21 15:50:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:50:18,074 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) Word has length 861 [2022-07-21 15:50:18,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:50:18,092 INFO L225 Difference]: With dead ends: 10657 [2022-07-21 15:50:18,092 INFO L226 Difference]: Without dead ends: 7024 [2022-07-21 15:50:18,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1553 GetRequests, 1527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=135, Invalid=550, Unknown=17, NotChecked=0, Total=702 [2022-07-21 15:50:18,101 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 1780 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 6585 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 6482 SdHoareTripleChecker+Invalid, 9020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 6585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1651 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:50:18,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 6482 Invalid, 9020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 6585 Invalid, 0 Unknown, 1651 Unchecked, 4.6s Time] [2022-07-21 15:50:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2022-07-21 15:50:18,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 4767. [2022-07-21 15:50:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4767 states, 3261 states have (on average 1.1373811714198099) internal successors, (3709), 3345 states have internal predecessors, (3709), 979 states have call successors, (979), 510 states have call predecessors, (979), 526 states have return successors, (1019), 966 states have call predecessors, (1019), 978 states have call successors, (1019) [2022-07-21 15:50:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 5707 transitions. [2022-07-21 15:50:18,627 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 5707 transitions. Word has length 861 [2022-07-21 15:50:18,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:50:18,627 INFO L495 AbstractCegarLoop]: Abstraction has 4767 states and 5707 transitions. [2022-07-21 15:50:18,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) [2022-07-21 15:50:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 5707 transitions. [2022-07-21 15:50:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2022-07-21 15:50:18,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:50:18,640 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:50:18,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-21 15:50:18,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:18,841 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:50:18,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:50:18,841 INFO L85 PathProgramCache]: Analyzing trace with hash 299355961, now seen corresponding path program 1 times [2022-07-21 15:50:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:50:18,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553470856] [2022-07-21 15:50:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:50:18,905 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:50:18,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309034401] [2022-07-21 15:50:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:50:18,907 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:50:18,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-21 15:50:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:50:19,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 4232 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 15:50:19,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:50:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1207 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-07-21 15:50:19,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:50:19,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:50:19,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553470856] [2022-07-21 15:50:19,845 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 15:50:19,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309034401] [2022-07-21 15:50:19,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309034401] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:50:19,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:50:19,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:50:19,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133683253] [2022-07-21 15:50:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:50:19,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:50:19,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:50:19,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:50:19,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:50:19,847 INFO L87 Difference]: Start difference. First operand 4767 states and 5707 transitions. Second operand has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-07-21 15:50:20,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:50:20,592 INFO L93 Difference]: Finished difference Result 6260 states and 7583 transitions. [2022-07-21 15:50:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:50:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) Word has length 873 [2022-07-21 15:50:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:50:20,610 INFO L225 Difference]: With dead ends: 6260 [2022-07-21 15:50:20,610 INFO L226 Difference]: Without dead ends: 5252 [2022-07-21 15:50:20,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:50:20,614 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 865 mSDsluCounter, 3799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:50:20,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 5265 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 15:50:20,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-21 15:50:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4770. [2022-07-21 15:50:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4770 states, 3264 states have (on average 1.1372549019607843) internal successors, (3712), 3348 states have internal predecessors, (3712), 979 states have call successors, (979), 510 states have call predecessors, (979), 526 states have return successors, (1019), 966 states have call predecessors, (1019), 978 states have call successors, (1019) [2022-07-21 15:50:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 5710 transitions. [2022-07-21 15:50:21,126 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 5710 transitions. Word has length 873 [2022-07-21 15:50:21,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:50:21,127 INFO L495 AbstractCegarLoop]: Abstraction has 4770 states and 5710 transitions. [2022-07-21 15:50:21,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-07-21 15:50:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 5710 transitions. [2022-07-21 15:50:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2022-07-21 15:50:21,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:50:21,140 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:50:21,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-21 15:50:21,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:21,355 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:50:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:50:21,356 INFO L85 PathProgramCache]: Analyzing trace with hash -72287231, now seen corresponding path program 1 times [2022-07-21 15:50:21,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:50:21,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697835599] [2022-07-21 15:50:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:50:21,424 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:50:21,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [474575533] [2022-07-21 15:50:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:21,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:50:21,426 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:50:21,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-21 15:50:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:50:22,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-21 15:50:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:50:22,837 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 15:50:22,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-21 15:50:22,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-21 15:50:23,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-21 15:50:25,268 INFO L356 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-07-21 15:50:25,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 22 [2022-07-21 15:50:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2388 proven. 287 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-21 15:50:38,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:50:45,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:50:45,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697835599] [2022-07-21 15:50:45,331 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 15:50:45,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474575533] [2022-07-21 15:50:45,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474575533] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 15:50:45,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-21 15:50:45,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-07-21 15:50:45,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667656654] [2022-07-21 15:50:45,331 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-21 15:50:45,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-21 15:50:45,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:50:45,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-21 15:50:45,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=441, Unknown=7, NotChecked=0, Total=552 [2022-07-21 15:50:45,333 INFO L87 Difference]: Start difference. First operand 4770 states and 5710 transitions. Second operand has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) [2022-07-21 15:50:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:50:49,618 INFO L93 Difference]: Finished difference Result 7909 states and 9417 transitions. [2022-07-21 15:50:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 15:50:49,619 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) Word has length 908 [2022-07-21 15:50:49,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:50:49,633 INFO L225 Difference]: With dead ends: 7909 [2022-07-21 15:50:49,633 INFO L226 Difference]: Without dead ends: 6100 [2022-07-21 15:50:49,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1636 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 20.6s TimeCoverageRelationStatistics Valid=170, Invalid=752, Unknown=8, NotChecked=0, Total=930 [2022-07-21 15:50:49,639 INFO L413 NwaCegarLoop]: 1692 mSDtfsCounter, 799 mSDsluCounter, 9341 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 11033 SdHoareTripleChecker+Invalid, 6841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4879 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:50:49,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 11033 Invalid, 6841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1832 Invalid, 0 Unknown, 4879 Unchecked, 1.5s Time] [2022-07-21 15:50:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6100 states. [2022-07-21 15:50:50,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6100 to 6048. [2022-07-21 15:50:50,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6048 states, 4119 states have (on average 1.1364408837096382) internal successors, (4681), 4239 states have internal predecessors, (4681), 1243 states have call successors, (1243), 668 states have call predecessors, (1243), 685 states have return successors, (1303), 1209 states have call predecessors, (1303), 1242 states have call successors, (1303) [2022-07-21 15:50:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6048 states to 6048 states and 7227 transitions. [2022-07-21 15:50:50,263 INFO L78 Accepts]: Start accepts. Automaton has 6048 states and 7227 transitions. Word has length 908 [2022-07-21 15:50:50,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:50:50,263 INFO L495 AbstractCegarLoop]: Abstraction has 6048 states and 7227 transitions. [2022-07-21 15:50:50,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) [2022-07-21 15:50:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6048 states and 7227 transitions. [2022-07-21 15:50:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2022-07-21 15:50:50,278 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:50:50,278 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:50:50,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-21 15:50:50,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:50,495 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-21 15:50:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:50:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2049313502, now seen corresponding path program 1 times [2022-07-21 15:50:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:50:50,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057574298] [2022-07-21 15:50:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:50:50,566 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 15:50:50,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1590007972] [2022-07-21 15:50:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:50:50,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 15:50:50,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:50:50,567 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 15:50:50,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-21 15:50:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:50:52,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 94 conjunts are in the unsatisfiable core [2022-07-21 15:50:52,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:50:52,678 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-21 15:50:52,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-21 15:50:52,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-21 15:50:53,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3