./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 791161d1 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-?-791161d [2022-07-23 04:31:33,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:31:33,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:31:33,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:31:33,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:31:33,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:31:33,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:31:33,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:31:33,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:31:33,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:31:33,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:31:33,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:31:33,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:31:33,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:31:33,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:31:33,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:31:33,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:31:33,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:31:33,487 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:31:33,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:31:33,493 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:31:33,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:31:33,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:31:33,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:31:33,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:31:33,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:31:33,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:31:33,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:31:33,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:31:33,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:31:33,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:31:33,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:31:33,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:31:33,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:31:33,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:31:33,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:31:33,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:31:33,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:31:33,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:31:33,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:31:33,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:31:33,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:31:33,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:31:33,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:31:33,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:31:33,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:31:33,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:31:33,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:31:33,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:31:33,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:31:33,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:31:33,533 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:31:33,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:31:33,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:31:33,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:31:33,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:31:33,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:31:33,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:31:33,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:31:33,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:31:33,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:31:33,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:31:33,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:31:33,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-07-23 04:31:33,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:31:33,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:31:33,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:31:33,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:31:33,752 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:31:33,753 INFO L432 ainManager$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 [2022-07-23 04:31:33,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1174e8b/0c3c13b4eb394149b2fd1236d2e01d65/FLAGa93ec3088 [2022-07-23 04:31:34,467 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:31:34,468 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 [2022-07-23 04:31:34,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1174e8b/0c3c13b4eb394149b2fd1236d2e01d65/FLAGa93ec3088 [2022-07-23 04:31:34,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f1174e8b/0c3c13b4eb394149b2fd1236d2e01d65 [2022-07-23 04:31:34,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:31:34,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:31:34,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:31:34,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:31:34,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:31:34,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:31:34" (1/1) ... [2022-07-23 04:31:34,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c7a0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:34, skipping insertion in model container [2022-07-23 04:31:34,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:31:34" (1/1) ... [2022-07-23 04:31:34,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:31:34,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:31:37,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:31:37,604 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:31:37,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-07-23 04:31:37,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-07-23 04:31:37,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-07-23 04:31:37,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-07-23 04:31:37,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-07-23 04:31:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-07-23 04:31:37,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-07-23 04:31:37,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-07-23 04:31:37,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-07-23 04:31:37,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-07-23 04:31:37,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-07-23 04:31:37,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-07-23 04:31:37,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-07-23 04:31:37,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-07-23 04:31:37,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-07-23 04:31:37,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-07-23 04:31:37,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-07-23 04:31:37,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-07-23 04:31:37,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-07-23 04:31:37,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-07-23 04:31:37,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-07-23 04:31:37,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-07-23 04:31:37,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-07-23 04:31:37,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-07-23 04:31:37,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-07-23 04:31:37,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-07-23 04:31:37,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-07-23 04:31:37,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-07-23 04:31:37,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-07-23 04:31:37,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-07-23 04:31:37,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-07-23 04:31:37,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-07-23 04:31:37,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-07-23 04:31:37,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-07-23 04:31:37,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-07-23 04:31:37,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-07-23 04:31:37,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-07-23 04:31:37,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-07-23 04:31:37,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-07-23 04:31:37,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-07-23 04:31:37,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-07-23 04:31:37,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-07-23 04:31:37,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-07-23 04:31:37,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-07-23 04:31:37,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-07-23 04:31:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-07-23 04:31:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-07-23 04:31:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-07-23 04:31:37,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-07-23 04:31:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-07-23 04:31:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-07-23 04:31:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-07-23 04:31:37,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-07-23 04:31:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-07-23 04:31:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-07-23 04:31:37,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-07-23 04:31:37,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-07-23 04:31:37,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override 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] [2022-07-23 04:31:37,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:31:38,005 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:31:38,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38 WrapperNode [2022-07-23 04:31:38,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:31:38,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:31:38,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:31:38,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:31:38,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,157 INFO L137 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2640 [2022-07-23 04:31:38,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:31:38,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:31:38,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:31:38,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:31:38,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:31:38,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:31:38,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:31:38,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:31:38,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (1/1) ... [2022-07-23 04:31:38,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:31:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:31:38,376 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) [2022-07-23 04:31:38,391 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 [2022-07-23 04:31:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-07-23 04:31:38,405 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-07-23 04:31:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:31:38,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:31:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-07-23 04:31:38,405 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-07-23 04:31:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 04:31:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 04:31:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 04:31:38,406 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 04:31:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:31:38,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:31:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:31:38,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:31:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:31:38,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:31:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-07-23 04:31:38,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-07-23 04:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-07-23 04:31:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-07-23 04:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-07-23 04:31:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-07-23 04:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:31:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:31:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-07-23 04:31:38,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-07-23 04:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:31:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 04:31:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 04:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:31:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 04:31:38,410 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 04:31:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:31:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:31:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-23 04:31:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-23 04:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:31:38,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:31:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 04:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 04:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 04:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 04:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-23 04:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-23 04:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-07-23 04:31:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-07-23 04:31:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:31:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:31:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:31:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:31:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:31:38,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:31:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:31:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-07-23 04:31:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-07-23 04:31:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-07-23 04:31:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-07-23 04:31:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:31:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:31:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-07-23 04:31:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-07-23 04:31:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-07-23 04:31:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-07-23 04:31:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:31:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:31:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-07-23 04:31:38,417 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-07-23 04:31:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:31:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:31:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:31:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:31:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:31:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-07-23 04:31:38,418 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-07-23 04:31:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:31:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:31:38,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:31:38,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:31:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-23 04:31:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-23 04:31:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 04:31:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 04:31:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 04:31:38,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 04:31:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-23 04:31:38,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:31:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:31:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:31:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:31:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-07-23 04:31:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-07-23 04:31:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-23 04:31:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-23 04:31:38,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-07-23 04:31:38,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-07-23 04:31:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-07-23 04:31:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-07-23 04:31:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 04:31:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 04:31:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-07-23 04:31:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-07-23 04:31:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:31:38,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:31:38,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-07-23 04:31:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-07-23 04:31:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-07-23 04:31:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-07-23 04:31:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:31:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:31:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:31:38,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:31:38,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:31:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:31:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-07-23 04:31:38,426 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-07-23 04:31:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:31:38,426 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-07-23 04:31:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-07-23 04:31:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-23 04:31:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-23 04:31:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 04:31:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 04:31:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:31:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:31:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-07-23 04:31:38,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-07-23 04:31:38,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:31:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 04:31:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:31:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:31:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-07-23 04:31:38,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-07-23 04:31:38,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-07-23 04:31:38,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-23 04:31:38,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:31:38,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:31:38,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:31:38,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:31:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:31:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:31:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 04:31:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-23 04:31:38,430 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-07-23 04:31:38,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-07-23 04:31:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-07-23 04:31:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-07-23 04:31:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:31:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:31:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-23 04:31:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-23 04:31:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:31:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:31:38,431 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-07-23 04:31:38,431 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-07-23 04:31:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:31:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-07-23 04:31:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-07-23 04:31:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-07-23 04:31:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-07-23 04:31:38,890 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:31:38,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:31:39,033 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:31:40,063 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:31:40,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:31:40,073 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 04:31:40,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:31:40 BoogieIcfgContainer [2022-07-23 04:31:40,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:31:40,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:31:40,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:31:40,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:31:40,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:31:34" (1/3) ... [2022-07-23 04:31:40,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7260a683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:31:40, skipping insertion in model container [2022-07-23 04:31:40,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:31:38" (2/3) ... [2022-07-23 04:31:40,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7260a683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:31:40, skipping insertion in model container [2022-07-23 04:31:40,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:31:40" (3/3) ... [2022-07-23 04:31:40,082 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-23 04:31:40,091 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:31:40,092 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-07-23 04:31:40,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:31:40,140 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@3bd79f1a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3ef5073d [2022-07-23 04:31:40,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-23 04:31:40,146 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) [2022-07-23 04:31:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-23 04:31:40,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:40,155 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] [2022-07-23 04:31:40,156 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)] === [2022-07-23 04:31:40,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:40,159 INFO L85 PathProgramCache]: Analyzing trace with hash -138799992, now seen corresponding path program 1 times [2022-07-23 04:31:40,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:40,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696900728] [2022-07-23 04:31:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:40,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:40,638 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:40,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:40,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696900728] [2022-07-23 04:31:40,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696900728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:40,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:40,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:40,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994962417] [2022-07-23 04:31:40,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:40,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:40,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:40,664 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) [2022-07-23 04:31:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:42,329 INFO L93 Difference]: Finished difference Result 2200 states and 2931 transitions. [2022-07-23 04:31:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:42,341 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 [2022-07-23 04:31:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:42,354 INFO L225 Difference]: With dead ends: 2200 [2022-07-23 04:31:42,354 INFO L226 Difference]: Without dead ends: 1093 [2022-07-23 04:31:42,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:31:42,363 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1961 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:42,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 2756 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-23 04:31:42,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-07-23 04:31:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2022-07-23 04:31:42,438 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) [2022-07-23 04:31:42,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1375 transitions. [2022-07-23 04:31:42,445 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1375 transitions. Word has length 70 [2022-07-23 04:31:42,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:42,447 INFO L495 AbstractCegarLoop]: Abstraction has 1093 states and 1375 transitions. [2022-07-23 04:31:42,447 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) [2022-07-23 04:31:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1375 transitions. [2022-07-23 04:31:42,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-23 04:31:42,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:42,450 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] [2022-07-23 04:31:42,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:31:42,450 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)] === [2022-07-23 04:31:42,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:42,451 INFO L85 PathProgramCache]: Analyzing trace with hash 333096518, now seen corresponding path program 1 times [2022-07-23 04:31:42,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:42,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504131179] [2022-07-23 04:31:42,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:42,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:42,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:42,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504131179] [2022-07-23 04:31:42,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504131179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:42,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:42,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:42,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509863390] [2022-07-23 04:31:42,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:42,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:42,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:42,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:42,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:42,645 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) [2022-07-23 04:31:44,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:44,079 INFO L93 Difference]: Finished difference Result 1093 states and 1375 transitions. [2022-07-23 04:31:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:44,080 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 [2022-07-23 04:31:44,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:44,086 INFO L225 Difference]: With dead ends: 1093 [2022-07-23 04:31:44,086 INFO L226 Difference]: Without dead ends: 1091 [2022-07-23 04:31:44,087 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 [2022-07-23 04:31:44,088 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 1927 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:44,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 2716 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 04:31:44,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-07-23 04:31:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2022-07-23 04:31:44,119 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) [2022-07-23 04:31:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1373 transitions. [2022-07-23 04:31:44,125 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1373 transitions. Word has length 76 [2022-07-23 04:31:44,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:44,125 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1373 transitions. [2022-07-23 04:31:44,126 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) [2022-07-23 04:31:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1373 transitions. [2022-07-23 04:31:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-23 04:31:44,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:44,127 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] [2022-07-23 04:31:44,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:31:44,128 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)] === [2022-07-23 04:31:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:44,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1375714423, now seen corresponding path program 1 times [2022-07-23 04:31:44,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:44,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690613662] [2022-07-23 04:31:44,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:44,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:44,342 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:44,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:44,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690613662] [2022-07-23 04:31:44,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690613662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:44,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:44,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:44,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012641959] [2022-07-23 04:31:44,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:44,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:44,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:44,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:44,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:44,345 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) [2022-07-23 04:31:45,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:45,571 INFO L93 Difference]: Finished difference Result 1091 states and 1373 transitions. [2022-07-23 04:31:45,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:45,571 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 [2022-07-23 04:31:45,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:45,576 INFO L225 Difference]: With dead ends: 1091 [2022-07-23 04:31:45,576 INFO L226 Difference]: Without dead ends: 1089 [2022-07-23 04:31:45,576 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 [2022-07-23 04:31:45,577 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 [2022-07-23 04:31:45,577 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] [2022-07-23 04:31:45,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-07-23 04:31:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2022-07-23 04:31:45,601 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) [2022-07-23 04:31:45,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1371 transitions. [2022-07-23 04:31:45,606 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1371 transitions. Word has length 82 [2022-07-23 04:31:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:45,607 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1371 transitions. [2022-07-23 04:31:45,607 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) [2022-07-23 04:31:45,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1371 transitions. [2022-07-23 04:31:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-23 04:31:45,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:45,608 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] [2022-07-23 04:31:45,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:31:45,609 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)] === [2022-07-23 04:31:45,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:45,609 INFO L85 PathProgramCache]: Analyzing trace with hash -62631502, now seen corresponding path program 1 times [2022-07-23 04:31:45,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:45,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104800372] [2022-07-23 04:31:45,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:31:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:31:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:31:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-23 04:31:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 04:31:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 04:31:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-23 04:31:45,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:45,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104800372] [2022-07-23 04:31:45,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104800372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:45,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:45,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:45,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366256793] [2022-07-23 04:31:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:45,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:45,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:45,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:45,772 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) [2022-07-23 04:31:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:47,983 INFO L93 Difference]: Finished difference Result 1862 states and 2308 transitions. [2022-07-23 04:31:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 04:31:47,983 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 [2022-07-23 04:31:47,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:47,993 INFO L225 Difference]: With dead ends: 1862 [2022-07-23 04:31:47,994 INFO L226 Difference]: Without dead ends: 1860 [2022-07-23 04:31:47,994 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 [2022-07-23 04:31:47,996 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 1359 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:47,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 4281 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 04:31:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-07-23 04:31:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1597. [2022-07-23 04:31:48,048 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) [2022-07-23 04:31:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2009 transitions. [2022-07-23 04:31:48,056 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2009 transitions. Word has length 97 [2022-07-23 04:31:48,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:48,056 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2009 transitions. [2022-07-23 04:31:48,057 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) [2022-07-23 04:31:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2009 transitions. [2022-07-23 04:31:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-23 04:31:48,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:48,059 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] [2022-07-23 04:31:48,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:31:48,059 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)] === [2022-07-23 04:31:48,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash 591565888, now seen corresponding path program 1 times [2022-07-23 04:31:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:48,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191694006] [2022-07-23 04:31:48,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:48,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:48,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191694006] [2022-07-23 04:31:48,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191694006] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:48,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:48,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60132416] [2022-07-23 04:31:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:48,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:48,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:48,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:48,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:48,243 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) [2022-07-23 04:31:49,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:49,652 INFO L93 Difference]: Finished difference Result 1597 states and 2009 transitions. [2022-07-23 04:31:49,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:49,653 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 [2022-07-23 04:31:49,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:49,660 INFO L225 Difference]: With dead ends: 1597 [2022-07-23 04:31:49,660 INFO L226 Difference]: Without dead ends: 1595 [2022-07-23 04:31:49,662 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 [2022-07-23 04:31:49,662 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1915 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:49,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 2712 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 04:31:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-07-23 04:31:49,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2022-07-23 04:31:49,710 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) [2022-07-23 04:31:49,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2007 transitions. [2022-07-23 04:31:49,717 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2007 transitions. Word has length 88 [2022-07-23 04:31:49,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:49,718 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2007 transitions. [2022-07-23 04:31:49,718 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) [2022-07-23 04:31:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2007 transitions. [2022-07-23 04:31:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-23 04:31:49,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:49,719 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] [2022-07-23 04:31:49,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 04:31:49,719 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)] === [2022-07-23 04:31:49,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:49,720 INFO L85 PathProgramCache]: Analyzing trace with hash -56363973, now seen corresponding path program 1 times [2022-07-23 04:31:49,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:49,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965816243] [2022-07-23 04:31:49,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:49,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:31:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:49,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:49,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965816243] [2022-07-23 04:31:49,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965816243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:49,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:49,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:49,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581224] [2022-07-23 04:31:49,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:49,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:49,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:49,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:49,900 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) [2022-07-23 04:31:51,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:51,223 INFO L93 Difference]: Finished difference Result 1595 states and 2007 transitions. [2022-07-23 04:31:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:51,223 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 [2022-07-23 04:31:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:51,231 INFO L225 Difference]: With dead ends: 1595 [2022-07-23 04:31:51,231 INFO L226 Difference]: Without dead ends: 1593 [2022-07-23 04:31:51,232 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 [2022-07-23 04:31:51,233 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 1909 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:51,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 2710 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:31:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-07-23 04:31:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-07-23 04:31:51,279 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) [2022-07-23 04:31:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2005 transitions. [2022-07-23 04:31:51,286 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2005 transitions. Word has length 94 [2022-07-23 04:31:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:51,286 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2005 transitions. [2022-07-23 04:31:51,287 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) [2022-07-23 04:31:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2005 transitions. [2022-07-23 04:31:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-23 04:31:51,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:51,288 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] [2022-07-23 04:31:51,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 04:31:51,289 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)] === [2022-07-23 04:31:51,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:51,289 INFO L85 PathProgramCache]: Analyzing trace with hash 915527194, now seen corresponding path program 1 times [2022-07-23 04:31:51,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:51,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943161304] [2022-07-23 04:31:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:51,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:31:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:31:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:51,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943161304] [2022-07-23 04:31:51,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943161304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:51,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:51,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:51,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914927332] [2022-07-23 04:31:51,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:51,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:51,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:51,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:51,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:51,486 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) [2022-07-23 04:31:52,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:52,799 INFO L93 Difference]: Finished difference Result 1593 states and 2005 transitions. [2022-07-23 04:31:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:52,800 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 [2022-07-23 04:31:52,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:52,809 INFO L225 Difference]: With dead ends: 1593 [2022-07-23 04:31:52,810 INFO L226 Difference]: Without dead ends: 1591 [2022-07-23 04:31:52,811 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 [2022-07-23 04:31:52,825 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 1903 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-07-23 04:31:52,825 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] [2022-07-23 04:31:52,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-07-23 04:31:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2022-07-23 04:31:52,914 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) [2022-07-23 04:31:52,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2003 transitions. [2022-07-23 04:31:52,921 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2003 transitions. Word has length 100 [2022-07-23 04:31:52,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:52,922 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2003 transitions. [2022-07-23 04:31:52,922 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) [2022-07-23 04:31:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2003 transitions. [2022-07-23 04:31:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 04:31:52,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:52,923 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] [2022-07-23 04:31:52,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 04:31:52,924 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)] === [2022-07-23 04:31:52,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:52,924 INFO L85 PathProgramCache]: Analyzing trace with hash 178536448, now seen corresponding path program 1 times [2022-07-23 04:31:52,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:52,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495091697] [2022-07-23 04:31:52,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:52,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:31:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:31:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:31:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:53,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:53,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495091697] [2022-07-23 04:31:53,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495091697] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:53,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:53,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:53,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002626459] [2022-07-23 04:31:53,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:53,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:53,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:53,099 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) [2022-07-23 04:31:54,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:54,307 INFO L93 Difference]: Finished difference Result 1591 states and 2003 transitions. [2022-07-23 04:31:54,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:54,307 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 [2022-07-23 04:31:54,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:54,316 INFO L225 Difference]: With dead ends: 1591 [2022-07-23 04:31:54,316 INFO L226 Difference]: Without dead ends: 1589 [2022-07-23 04:31:54,318 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 [2022-07-23 04:31:54,319 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 [2022-07-23 04:31:54,320 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] [2022-07-23 04:31:54,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-07-23 04:31:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2022-07-23 04:31:54,375 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) [2022-07-23 04:31:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2001 transitions. [2022-07-23 04:31:54,382 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2001 transitions. Word has length 106 [2022-07-23 04:31:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:54,382 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2001 transitions. [2022-07-23 04:31:54,382 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) [2022-07-23 04:31:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2001 transitions. [2022-07-23 04:31:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-23 04:31:54,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:54,385 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] [2022-07-23 04:31:54,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:31:54,385 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)] === [2022-07-23 04:31:54,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1037707720, now seen corresponding path program 1 times [2022-07-23 04:31:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:54,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223967100] [2022-07-23 04:31:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:54,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:31:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:31:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:31:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:31:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:31:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:31:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-23 04:31:54,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:54,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223967100] [2022-07-23 04:31:54,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223967100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:54,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:54,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:31:54,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960546240] [2022-07-23 04:31:54,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:54,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:31:54,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:54,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:31:54,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:31:54,609 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) [2022-07-23 04:31:56,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:56,460 INFO L93 Difference]: Finished difference Result 1869 states and 2334 transitions. [2022-07-23 04:31:56,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:31:56,460 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 [2022-07-23 04:31:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:56,467 INFO L225 Difference]: With dead ends: 1869 [2022-07-23 04:31:56,467 INFO L226 Difference]: Without dead ends: 1867 [2022-07-23 04:31:56,468 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 [2022-07-23 04:31:56,469 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:31:56,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 3480 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 2783 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-23 04:31:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-07-23 04:31:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1759. [2022-07-23 04:31:56,530 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) [2022-07-23 04:31:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2198 transitions. [2022-07-23 04:31:56,535 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2198 transitions. Word has length 118 [2022-07-23 04:31:56,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:56,535 INFO L495 AbstractCegarLoop]: Abstraction has 1759 states and 2198 transitions. [2022-07-23 04:31:56,535 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) [2022-07-23 04:31:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2198 transitions. [2022-07-23 04:31:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-23 04:31:56,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:56,537 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] [2022-07-23 04:31:56,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:31:56,537 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)] === [2022-07-23 04:31:56,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:56,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1083405284, now seen corresponding path program 1 times [2022-07-23 04:31:56,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:56,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271535897] [2022-07-23 04:31:56,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:56,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:31:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:31:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:31:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:31:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:56,711 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:56,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:56,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271535897] [2022-07-23 04:31:56,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271535897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:56,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:56,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:56,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427668275] [2022-07-23 04:31:56,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:56,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:56,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:56,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:56,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:56,713 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) [2022-07-23 04:31:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:57,970 INFO L93 Difference]: Finished difference Result 1759 states and 2198 transitions. [2022-07-23 04:31:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:31:57,971 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 [2022-07-23 04:31:57,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:57,977 INFO L225 Difference]: With dead ends: 1759 [2022-07-23 04:31:57,977 INFO L226 Difference]: Without dead ends: 1757 [2022-07-23 04:31:57,978 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 [2022-07-23 04:31:57,978 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 [2022-07-23 04:31:57,978 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] [2022-07-23 04:31:57,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-07-23 04:31:58,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-07-23 04:31:58,037 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) [2022-07-23 04:31:58,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2196 transitions. [2022-07-23 04:31:58,042 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2196 transitions. Word has length 112 [2022-07-23 04:31:58,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:58,042 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2196 transitions. [2022-07-23 04:31:58,043 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) [2022-07-23 04:31:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2196 transitions. [2022-07-23 04:31:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-23 04:31:58,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:58,044 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] [2022-07-23 04:31:58,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:31:58,045 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)] === [2022-07-23 04:31:58,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:58,045 INFO L85 PathProgramCache]: Analyzing trace with hash 392296454, now seen corresponding path program 1 times [2022-07-23 04:31:58,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:58,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129993857] [2022-07-23 04:31:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:58,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:31:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:31:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:31:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:31:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:31:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:31:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:31:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:31:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-07-23 04:31:58,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:58,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129993857] [2022-07-23 04:31:58,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129993857] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:31:58,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965915335] [2022-07-23 04:31:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:58,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:31:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:31:58,272 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) [2022-07-23 04:31:58,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 04:31:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:58,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:31:58,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:31:58,760 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-23 04:31:58,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:31:58,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965915335] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:58,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:31:58,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-23 04:31:58,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506162803] [2022-07-23 04:31:58,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:58,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:31:58,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:58,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:31:58,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:31:58,762 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) [2022-07-23 04:31:58,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:31:58,909 INFO L93 Difference]: Finished difference Result 3405 states and 4242 transitions. [2022-07-23 04:31:58,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:31:58,909 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 [2022-07-23 04:31:58,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:31:58,918 INFO L225 Difference]: With dead ends: 3405 [2022-07-23 04:31:58,918 INFO L226 Difference]: Without dead ends: 1805 [2022-07-23 04:31:58,922 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 [2022-07-23 04:31:58,923 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 [2022-07-23 04:31:58,923 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] [2022-07-23 04:31:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-07-23 04:31:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1763. [2022-07-23 04:31:59,007 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) [2022-07-23 04:31:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2204 transitions. [2022-07-23 04:31:59,012 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2204 transitions. Word has length 134 [2022-07-23 04:31:59,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:31:59,014 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 2204 transitions. [2022-07-23 04:31:59,015 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) [2022-07-23 04:31:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2204 transitions. [2022-07-23 04:31:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 04:31:59,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:31:59,016 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] [2022-07-23 04:31:59,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 04:31:59,231 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 [2022-07-23 04:31:59,231 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)] === [2022-07-23 04:31:59,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:31:59,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1770258305, now seen corresponding path program 1 times [2022-07-23 04:31:59,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:31:59,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584595957] [2022-07-23 04:31:59,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:31:59,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:31:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:31:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:31:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:31:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:31:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:31:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:31:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:31:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:31:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:31:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:31:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:31:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:31:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:31:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:31:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:31:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:31:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:31:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:31:59,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:31:59,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584595957] [2022-07-23 04:31:59,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584595957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:31:59,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:31:59,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:31:59,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353268855] [2022-07-23 04:31:59,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:31:59,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:31:59,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:31:59,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:31:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:31:59,367 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) [2022-07-23 04:32:00,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:00,818 INFO L93 Difference]: Finished difference Result 1763 states and 2204 transitions. [2022-07-23 04:32:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:00,818 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 [2022-07-23 04:32:00,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:00,825 INFO L225 Difference]: With dead ends: 1763 [2022-07-23 04:32:00,825 INFO L226 Difference]: Without dead ends: 1761 [2022-07-23 04:32:00,827 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 [2022-07-23 04:32:00,828 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:00,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 2702 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 04:32:00,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-07-23 04:32:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2022-07-23 04:32:00,896 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) [2022-07-23 04:32:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2202 transitions. [2022-07-23 04:32:00,902 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2202 transitions. Word has length 114 [2022-07-23 04:32:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:00,903 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2202 transitions. [2022-07-23 04:32:00,903 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) [2022-07-23 04:32:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2202 transitions. [2022-07-23 04:32:00,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-23 04:32:00,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:00,904 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] [2022-07-23 04:32:00,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:32:00,905 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)] === [2022-07-23 04:32:00,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1352940516, now seen corresponding path program 1 times [2022-07-23 04:32:00,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:00,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919319961] [2022-07-23 04:32:00,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:00,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:00,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:01,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:01,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919319961] [2022-07-23 04:32:01,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919319961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:01,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:01,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:01,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32482022] [2022-07-23 04:32:01,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:01,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:01,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:01,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:01,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:01,090 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) [2022-07-23 04:32:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:03,319 INFO L93 Difference]: Finished difference Result 2666 states and 3269 transitions. [2022-07-23 04:32:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:32:03,319 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 [2022-07-23 04:32:03,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:03,329 INFO L225 Difference]: With dead ends: 2666 [2022-07-23 04:32:03,329 INFO L226 Difference]: Without dead ends: 2664 [2022-07-23 04:32:03,330 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 [2022-07-23 04:32:03,331 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 2664 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:03,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3119 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 04:32:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2022-07-23 04:32:03,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2619. [2022-07-23 04:32:03,424 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) [2022-07-23 04:32:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3243 transitions. [2022-07-23 04:32:03,432 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3243 transitions. Word has length 120 [2022-07-23 04:32:03,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:03,433 INFO L495 AbstractCegarLoop]: Abstraction has 2619 states and 3243 transitions. [2022-07-23 04:32:03,433 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) [2022-07-23 04:32:03,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3243 transitions. [2022-07-23 04:32:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-23 04:32:03,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:03,434 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] [2022-07-23 04:32:03,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 04:32:03,435 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)] === [2022-07-23 04:32:03,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash -179191031, now seen corresponding path program 1 times [2022-07-23 04:32:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:03,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016593623] [2022-07-23 04:32:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:03,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:03,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016593623] [2022-07-23 04:32:03,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016593623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:03,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:03,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:03,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000468991] [2022-07-23 04:32:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:03,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:03,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:03,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:03,614 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) [2022-07-23 04:32:05,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:05,795 INFO L93 Difference]: Finished difference Result 3726 states and 4547 transitions. [2022-07-23 04:32:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:32:05,795 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 [2022-07-23 04:32:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:05,809 INFO L225 Difference]: With dead ends: 3726 [2022-07-23 04:32:05,810 INFO L226 Difference]: Without dead ends: 3724 [2022-07-23 04:32:05,814 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 [2022-07-23 04:32:05,814 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 2149 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:05,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 3254 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 04:32:05,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-07-23 04:32:05,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3583. [2022-07-23 04:32:05,960 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) [2022-07-23 04:32:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4407 transitions. [2022-07-23 04:32:05,971 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4407 transitions. Word has length 126 [2022-07-23 04:32:05,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:05,972 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4407 transitions. [2022-07-23 04:32:05,972 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) [2022-07-23 04:32:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4407 transitions. [2022-07-23 04:32:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-23 04:32:05,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:05,974 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] [2022-07-23 04:32:05,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:32:05,975 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)] === [2022-07-23 04:32:05,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:05,975 INFO L85 PathProgramCache]: Analyzing trace with hash -31471526, now seen corresponding path program 1 times [2022-07-23 04:32:05,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:05,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843727798] [2022-07-23 04:32:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:05,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:06,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:06,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843727798] [2022-07-23 04:32:06,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843727798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:06,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:06,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261447068] [2022-07-23 04:32:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:06,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:06,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:06,174 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) [2022-07-23 04:32:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:07,730 INFO L93 Difference]: Finished difference Result 6578 states and 8094 transitions. [2022-07-23 04:32:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:07,731 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 [2022-07-23 04:32:07,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:07,761 INFO L225 Difference]: With dead ends: 6578 [2022-07-23 04:32:07,762 INFO L226 Difference]: Without dead ends: 3850 [2022-07-23 04:32:07,772 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 [2022-07-23 04:32:07,774 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 [2022-07-23 04:32:07,774 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] [2022-07-23 04:32:07,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2022-07-23 04:32:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3584. [2022-07-23 04:32:07,950 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) [2022-07-23 04:32:07,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4408 transitions. [2022-07-23 04:32:07,960 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4408 transitions. Word has length 141 [2022-07-23 04:32:07,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:07,961 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4408 transitions. [2022-07-23 04:32:07,961 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) [2022-07-23 04:32:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4408 transitions. [2022-07-23 04:32:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-23 04:32:07,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:07,962 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] [2022-07-23 04:32:07,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 04:32:07,963 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)] === [2022-07-23 04:32:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:07,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1628899092, now seen corresponding path program 1 times [2022-07-23 04:32:07,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:07,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110146743] [2022-07-23 04:32:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:07,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:08,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:08,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110146743] [2022-07-23 04:32:08,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110146743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:08,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:08,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:08,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407629153] [2022-07-23 04:32:08,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:08,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:08,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:08,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:08,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:08,138 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) [2022-07-23 04:32:09,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:09,367 INFO L93 Difference]: Finished difference Result 3584 states and 4408 transitions. [2022-07-23 04:32:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:09,368 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 [2022-07-23 04:32:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:09,376 INFO L225 Difference]: With dead ends: 3584 [2022-07-23 04:32:09,376 INFO L226 Difference]: Without dead ends: 3582 [2022-07-23 04:32:09,378 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 [2022-07-23 04:32:09,378 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 [2022-07-23 04:32:09,378 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] [2022-07-23 04:32:09,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2022-07-23 04:32:09,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3582. [2022-07-23 04:32:09,528 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) [2022-07-23 04:32:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4405 transitions. [2022-07-23 04:32:09,535 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4405 transitions. Word has length 132 [2022-07-23 04:32:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:09,535 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4405 transitions. [2022-07-23 04:32:09,535 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) [2022-07-23 04:32:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4405 transitions. [2022-07-23 04:32:09,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-23 04:32:09,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:09,538 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] [2022-07-23 04:32:09,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 04:32:09,538 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)] === [2022-07-23 04:32:09,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:09,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1350192956, now seen corresponding path program 1 times [2022-07-23 04:32:09,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:09,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944160270] [2022-07-23 04:32:09,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:09,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:09,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:09,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944160270] [2022-07-23 04:32:09,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944160270] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:32:09,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902908540] [2022-07-23 04:32:09,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:09,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:32:09,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:32:09,667 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) [2022-07-23 04:32:09,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 04:32:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:10,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:32:10,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:32:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:10,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:32:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:10,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902908540] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:32:10,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:32:10,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-23 04:32:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607379368] [2022-07-23 04:32:10,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:32:10,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 04:32:10,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:10,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 04:32:10,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:32:10,172 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) [2022-07-23 04:32:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:11,972 INFO L93 Difference]: Finished difference Result 6598 states and 8126 transitions. [2022-07-23 04:32:11,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 04:32:11,972 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 [2022-07-23 04:32:11,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:12,010 INFO L225 Difference]: With dead ends: 6598 [2022-07-23 04:32:12,010 INFO L226 Difference]: Without dead ends: 3871 [2022-07-23 04:32:12,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:32:12,031 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:12,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3695 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 04:32:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-07-23 04:32:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3615. [2022-07-23 04:32:12,172 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) [2022-07-23 04:32:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4453 transitions. [2022-07-23 04:32:12,182 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4453 transitions. Word has length 146 [2022-07-23 04:32:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:12,183 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4453 transitions. [2022-07-23 04:32:12,183 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) [2022-07-23 04:32:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4453 transitions. [2022-07-23 04:32:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-23 04:32:12,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:12,185 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] [2022-07-23 04:32:12,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 04:32:12,399 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 [2022-07-23 04:32:12,400 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)] === [2022-07-23 04:32:12,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:12,400 INFO L85 PathProgramCache]: Analyzing trace with hash 216200491, now seen corresponding path program 1 times [2022-07-23 04:32:12,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:12,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016864801] [2022-07-23 04:32:12,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:12,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:12,592 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:12,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:12,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016864801] [2022-07-23 04:32:12,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016864801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:12,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:12,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:32:12,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673245011] [2022-07-23 04:32:12,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:12,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:32:12,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:12,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:32:12,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:32:12,595 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) [2022-07-23 04:32:14,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:14,665 INFO L93 Difference]: Finished difference Result 3915 states and 4825 transitions. [2022-07-23 04:32:14,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:32:14,665 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 [2022-07-23 04:32:14,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:14,675 INFO L225 Difference]: With dead ends: 3915 [2022-07-23 04:32:14,675 INFO L226 Difference]: Without dead ends: 3913 [2022-07-23 04:32:14,677 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 [2022-07-23 04:32:14,677 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 2967 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 1694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:14,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 3649 Invalid, 4384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1694 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-23 04:32:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-07-23 04:32:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3615. [2022-07-23 04:32:14,804 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) [2022-07-23 04:32:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4450 transitions. [2022-07-23 04:32:14,813 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4450 transitions. Word has length 147 [2022-07-23 04:32:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:14,813 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4450 transitions. [2022-07-23 04:32:14,813 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) [2022-07-23 04:32:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4450 transitions. [2022-07-23 04:32:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-23 04:32:14,815 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:14,815 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] [2022-07-23 04:32:14,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 04:32:14,816 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)] === [2022-07-23 04:32:14,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:14,816 INFO L85 PathProgramCache]: Analyzing trace with hash -973056597, now seen corresponding path program 1 times [2022-07-23 04:32:14,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:14,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526103101] [2022-07-23 04:32:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:14,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526103101] [2022-07-23 04:32:14,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526103101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:14,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:14,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:14,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878320784] [2022-07-23 04:32:14,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:14,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:14,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:14,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:14,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:14,990 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) [2022-07-23 04:32:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:17,341 INFO L93 Difference]: Finished difference Result 3948 states and 4802 transitions. [2022-07-23 04:32:17,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:32:17,341 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 [2022-07-23 04:32:17,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:17,350 INFO L225 Difference]: With dead ends: 3948 [2022-07-23 04:32:17,350 INFO L226 Difference]: Without dead ends: 3946 [2022-07-23 04:32:17,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:32:17,352 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 1819 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:17,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3526 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 04:32:17,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-23 04:32:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3819. [2022-07-23 04:32:17,518 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) [2022-07-23 04:32:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 4667 transitions. [2022-07-23 04:32:17,525 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 4667 transitions. Word has length 138 [2022-07-23 04:32:17,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:17,526 INFO L495 AbstractCegarLoop]: Abstraction has 3819 states and 4667 transitions. [2022-07-23 04:32:17,526 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) [2022-07-23 04:32:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 4667 transitions. [2022-07-23 04:32:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-23 04:32:17,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:17,528 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] [2022-07-23 04:32:17,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 04:32:17,528 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)] === [2022-07-23 04:32:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326209, now seen corresponding path program 1 times [2022-07-23 04:32:17,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:17,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542385977] [2022-07-23 04:32:17,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:17,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:17,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:17,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542385977] [2022-07-23 04:32:17,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542385977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:17,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:17,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:32:17,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14239440] [2022-07-23 04:32:17,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:17,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:32:17,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:17,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:32:17,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:32:17,701 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) [2022-07-23 04:32:19,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:19,518 INFO L93 Difference]: Finished difference Result 4075 states and 5007 transitions. [2022-07-23 04:32:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 04:32:19,519 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 [2022-07-23 04:32:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:19,532 INFO L225 Difference]: With dead ends: 4075 [2022-07-23 04:32:19,532 INFO L226 Difference]: Without dead ends: 4073 [2022-07-23 04:32:19,536 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 [2022-07-23 04:32:19,536 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 2361 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:19,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 3094 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 04:32:19,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2022-07-23 04:32:19,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3817. [2022-07-23 04:32:19,748 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) [2022-07-23 04:32:19,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4658 transitions. [2022-07-23 04:32:19,757 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4658 transitions. Word has length 150 [2022-07-23 04:32:19,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:19,757 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 4658 transitions. [2022-07-23 04:32:19,757 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) [2022-07-23 04:32:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4658 transitions. [2022-07-23 04:32:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-23 04:32:19,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:19,759 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] [2022-07-23 04:32:19,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-23 04:32:19,760 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)] === [2022-07-23 04:32:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:19,760 INFO L85 PathProgramCache]: Analyzing trace with hash 713324926, now seen corresponding path program 1 times [2022-07-23 04:32:19,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:19,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463395333] [2022-07-23 04:32:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:19,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:19,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:19,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463395333] [2022-07-23 04:32:19,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463395333] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:19,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:19,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:19,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043765114] [2022-07-23 04:32:19,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:19,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:19,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:19,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:19,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:19,938 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) [2022-07-23 04:32:21,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:21,083 INFO L93 Difference]: Finished difference Result 3817 states and 4658 transitions. [2022-07-23 04:32:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:21,084 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 [2022-07-23 04:32:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:21,093 INFO L225 Difference]: With dead ends: 3817 [2022-07-23 04:32:21,093 INFO L226 Difference]: Without dead ends: 3815 [2022-07-23 04:32:21,094 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 [2022-07-23 04:32:21,094 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 [2022-07-23 04:32:21,095 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] [2022-07-23 04:32:21,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-07-23 04:32:21,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-07-23 04:32:21,231 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) [2022-07-23 04:32:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 4655 transitions. [2022-07-23 04:32:21,286 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 4655 transitions. Word has length 144 [2022-07-23 04:32:21,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:21,286 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 4655 transitions. [2022-07-23 04:32:21,286 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) [2022-07-23 04:32:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 4655 transitions. [2022-07-23 04:32:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-23 04:32:21,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:21,288 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] [2022-07-23 04:32:21,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-23 04:32:21,289 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)] === [2022-07-23 04:32:21,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:21,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1089934537, now seen corresponding path program 1 times [2022-07-23 04:32:21,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:21,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633502207] [2022-07-23 04:32:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:21,670 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-23 04:32:21,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:21,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633502207] [2022-07-23 04:32:21,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633502207] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:32:21,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467981718] [2022-07-23 04:32:21,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:21,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:32:21,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:32:21,692 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) [2022-07-23 04:32:21,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 04:32:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:22,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 04:32:22,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:32:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:22,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:32:22,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467981718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:22,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:32:22,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2022-07-23 04:32:22,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147381849] [2022-07-23 04:32:22,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:22,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:22,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:22,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:22,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:32:22,382 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) [2022-07-23 04:32:23,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:23,551 INFO L93 Difference]: Finished difference Result 3839 states and 4671 transitions. [2022-07-23 04:32:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:23,553 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 [2022-07-23 04:32:23,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:23,562 INFO L225 Difference]: With dead ends: 3839 [2022-07-23 04:32:23,563 INFO L226 Difference]: Without dead ends: 3837 [2022-07-23 04:32:23,564 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 [2022-07-23 04:32:23,564 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 1360 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:23,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 2643 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-23 04:32:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-07-23 04:32:23,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3837. [2022-07-23 04:32:23,769 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) [2022-07-23 04:32:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 4662 transitions. [2022-07-23 04:32:23,776 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 4662 transitions. Word has length 153 [2022-07-23 04:32:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:23,777 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 4662 transitions. [2022-07-23 04:32:23,777 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) [2022-07-23 04:32:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4662 transitions. [2022-07-23 04:32:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-23 04:32:23,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:23,779 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] [2022-07-23 04:32:23,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 04:32:23,987 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 [2022-07-23 04:32:23,988 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)] === [2022-07-23 04:32:23,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash -281219765, now seen corresponding path program 1 times [2022-07-23 04:32:23,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:23,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255424251] [2022-07-23 04:32:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:24,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255424251] [2022-07-23 04:32:24,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255424251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:24,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:24,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 04:32:24,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991629020] [2022-07-23 04:32:24,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:24,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:32:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:32:24,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:32:24,161 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) [2022-07-23 04:32:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:25,446 INFO L93 Difference]: Finished difference Result 4093 states and 5002 transitions. [2022-07-23 04:32:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 04:32:25,447 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 [2022-07-23 04:32:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:25,457 INFO L225 Difference]: With dead ends: 4093 [2022-07-23 04:32:25,457 INFO L226 Difference]: Without dead ends: 4091 [2022-07-23 04:32:25,459 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 [2022-07-23 04:32:25,459 INFO L413 NwaCegarLoop]: 1266 mSDtfsCounter, 2321 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:25,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 3088 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-23 04:32:25,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-23 04:32:25,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3835. [2022-07-23 04:32:25,642 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) [2022-07-23 04:32:25,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 4653 transitions. [2022-07-23 04:32:25,650 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 4653 transitions. Word has length 156 [2022-07-23 04:32:25,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:25,650 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 4653 transitions. [2022-07-23 04:32:25,651 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) [2022-07-23 04:32:25,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4653 transitions. [2022-07-23 04:32:25,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-23 04:32:25,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:25,652 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] [2022-07-23 04:32:25,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-23 04:32:25,653 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)] === [2022-07-23 04:32:25,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:25,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1200520837, now seen corresponding path program 1 times [2022-07-23 04:32:25,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:25,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289362350] [2022-07-23 04:32:25,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:25,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:25,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:25,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289362350] [2022-07-23 04:32:25,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289362350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:25,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:25,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:25,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129821264] [2022-07-23 04:32:25,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:25,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:25,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:25,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:25,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:25,825 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) [2022-07-23 04:32:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:27,120 INFO L93 Difference]: Finished difference Result 3835 states and 4653 transitions. [2022-07-23 04:32:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:27,120 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 [2022-07-23 04:32:27,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:27,130 INFO L225 Difference]: With dead ends: 3835 [2022-07-23 04:32:27,130 INFO L226 Difference]: Without dead ends: 3833 [2022-07-23 04:32:27,132 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 [2022-07-23 04:32:27,133 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 1849 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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 [2022-07-23 04:32:27,133 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] [2022-07-23 04:32:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2022-07-23 04:32:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3833. [2022-07-23 04:32:27,357 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) [2022-07-23 04:32:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 4650 transitions. [2022-07-23 04:32:27,366 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 4650 transitions. Word has length 150 [2022-07-23 04:32:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:27,367 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 4650 transitions. [2022-07-23 04:32:27,367 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) [2022-07-23 04:32:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4650 transitions. [2022-07-23 04:32:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 04:32:27,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:27,369 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] [2022-07-23 04:32:27,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-23 04:32:27,369 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)] === [2022-07-23 04:32:27,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:27,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1309291226, now seen corresponding path program 2 times [2022-07-23 04:32:27,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:27,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85746177] [2022-07-23 04:32:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:27,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-23 04:32:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:27,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85746177] [2022-07-23 04:32:27,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85746177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:27,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:27,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:32:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075933392] [2022-07-23 04:32:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:27,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:32:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:32:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:32:27,562 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) [2022-07-23 04:32:30,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:30,055 INFO L93 Difference]: Finished difference Result 4109 states and 5006 transitions. [2022-07-23 04:32:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:32:30,055 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 [2022-07-23 04:32:30,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:30,065 INFO L225 Difference]: With dead ends: 4109 [2022-07-23 04:32:30,066 INFO L226 Difference]: Without dead ends: 4107 [2022-07-23 04:32:30,068 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 [2022-07-23 04:32:30,068 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 1893 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 1282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:30,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 4238 Invalid, 4453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1282 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 04:32:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-07-23 04:32:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 3845. [2022-07-23 04:32:30,238 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) [2022-07-23 04:32:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 4659 transitions. [2022-07-23 04:32:30,247 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 4659 transitions. Word has length 161 [2022-07-23 04:32:30,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:30,247 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 4659 transitions. [2022-07-23 04:32:30,247 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) [2022-07-23 04:32:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 4659 transitions. [2022-07-23 04:32:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-23 04:32:30,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:30,249 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] [2022-07-23 04:32:30,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-23 04:32:30,250 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)] === [2022-07-23 04:32:30,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:30,250 INFO L85 PathProgramCache]: Analyzing trace with hash -317173186, now seen corresponding path program 1 times [2022-07-23 04:32:30,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:30,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306663548] [2022-07-23 04:32:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:30,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:30,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:30,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306663548] [2022-07-23 04:32:30,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306663548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:30,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:30,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:30,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204344575] [2022-07-23 04:32:30,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:30,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:30,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:30,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:30,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:30,456 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) [2022-07-23 04:32:31,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:31,883 INFO L93 Difference]: Finished difference Result 3845 states and 4659 transitions. [2022-07-23 04:32:31,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:31,884 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 [2022-07-23 04:32:31,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:31,894 INFO L225 Difference]: With dead ends: 3845 [2022-07-23 04:32:31,894 INFO L226 Difference]: Without dead ends: 3843 [2022-07-23 04:32:31,896 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 [2022-07-23 04:32:31,897 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 1843 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:31,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2688 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:32:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-07-23 04:32:32,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3843. [2022-07-23 04:32:32,064 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) [2022-07-23 04:32:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 4656 transitions. [2022-07-23 04:32:32,072 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 4656 transitions. Word has length 156 [2022-07-23 04:32:32,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:32,073 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 4656 transitions. [2022-07-23 04:32:32,073 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) [2022-07-23 04:32:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 4656 transitions. [2022-07-23 04:32:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-23 04:32:32,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:32,075 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] [2022-07-23 04:32:32,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-23 04:32:32,075 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)] === [2022-07-23 04:32:32,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1340163979, now seen corresponding path program 1 times [2022-07-23 04:32:32,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:32,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435697479] [2022-07-23 04:32:32,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:32,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 04:32:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-23 04:32:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:32,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435697479] [2022-07-23 04:32:32,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435697479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:32,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:32,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:32:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325522228] [2022-07-23 04:32:32,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:32,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:32:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:32,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:32:32,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:32:32,267 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) [2022-07-23 04:32:34,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:34,443 INFO L93 Difference]: Finished difference Result 4294 states and 5180 transitions. [2022-07-23 04:32:34,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:32:34,443 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 [2022-07-23 04:32:34,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:34,453 INFO L225 Difference]: With dead ends: 4294 [2022-07-23 04:32:34,454 INFO L226 Difference]: Without dead ends: 4292 [2022-07-23 04:32:34,457 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 [2022-07-23 04:32:34,457 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 2277 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 1159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:34,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 3738 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-23 04:32:34,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2022-07-23 04:32:34,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4030. [2022-07-23 04:32:34,642 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) [2022-07-23 04:32:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 4828 transitions. [2022-07-23 04:32:34,652 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 4828 transitions. Word has length 165 [2022-07-23 04:32:34,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:34,653 INFO L495 AbstractCegarLoop]: Abstraction has 4030 states and 4828 transitions. [2022-07-23 04:32:34,653 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) [2022-07-23 04:32:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4828 transitions. [2022-07-23 04:32:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-23 04:32:34,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:34,655 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] [2022-07-23 04:32:34,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-23 04:32:34,656 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)] === [2022-07-23 04:32:34,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:34,656 INFO L85 PathProgramCache]: Analyzing trace with hash -960462947, now seen corresponding path program 1 times [2022-07-23 04:32:34,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:34,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729299005] [2022-07-23 04:32:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:34,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 04:32:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:34,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:34,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729299005] [2022-07-23 04:32:34,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729299005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:34,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:34,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217071887] [2022-07-23 04:32:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:34,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:34,876 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) [2022-07-23 04:32:36,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:36,350 INFO L93 Difference]: Finished difference Result 4030 states and 4828 transitions. [2022-07-23 04:32:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:36,351 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 [2022-07-23 04:32:36,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:36,360 INFO L225 Difference]: With dead ends: 4030 [2022-07-23 04:32:36,360 INFO L226 Difference]: Without dead ends: 4028 [2022-07-23 04:32:36,362 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 [2022-07-23 04:32:36,362 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 1831 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:36,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2684 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:32:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4028 states. [2022-07-23 04:32:36,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4028 to 4028. [2022-07-23 04:32:36,537 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) [2022-07-23 04:32:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 4825 transitions. [2022-07-23 04:32:36,547 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 4825 transitions. Word has length 162 [2022-07-23 04:32:36,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:36,548 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 4825 transitions. [2022-07-23 04:32:36,548 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) [2022-07-23 04:32:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4825 transitions. [2022-07-23 04:32:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-23 04:32:36,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:36,550 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] [2022-07-23 04:32:36,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-23 04:32:36,550 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)] === [2022-07-23 04:32:36,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:36,551 INFO L85 PathProgramCache]: Analyzing trace with hash 418258293, now seen corresponding path program 1 times [2022-07-23 04:32:36,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:36,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742386887] [2022-07-23 04:32:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:36,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 04:32:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:32:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 04:32:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 04:32:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 04:32:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 04:32:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-23 04:32:36,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742386887] [2022-07-23 04:32:36,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742386887] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:32:36,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048372112] [2022-07-23 04:32:36,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:32:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:32:36,865 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) [2022-07-23 04:32:36,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 04:32:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:37,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 04:32:37,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:32:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-23 04:32:37,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:32:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-07-23 04:32:37,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048372112] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:32:37,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:32:37,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 20 [2022-07-23 04:32:37,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107552309] [2022-07-23 04:32:37,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:32:37,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 04:32:37,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:37,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 04:32:37,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-07-23 04:32:37,736 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) [2022-07-23 04:32:43,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:43,948 INFO L93 Difference]: Finished difference Result 4408 states and 5289 transitions. [2022-07-23 04:32:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:32:43,961 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 [2022-07-23 04:32:43,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:43,971 INFO L225 Difference]: With dead ends: 4408 [2022-07-23 04:32:43,972 INFO L226 Difference]: Without dead ends: 4406 [2022-07-23 04:32:43,974 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 [2022-07-23 04:32:43,974 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 4482 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 10563 mSolverCounterSat, 2473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s 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, 5.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:43,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 6057 Invalid, 13036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2473 Valid, 10563 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-07-23 04:32:43,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2022-07-23 04:32:44,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 3948. [2022-07-23 04:32:44,164 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) [2022-07-23 04:32:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4727 transitions. [2022-07-23 04:32:44,174 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4727 transitions. Word has length 172 [2022-07-23 04:32:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:44,174 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 4727 transitions. [2022-07-23 04:32:44,174 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) [2022-07-23 04:32:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4727 transitions. [2022-07-23 04:32:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-23 04:32:44,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:44,177 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] [2022-07-23 04:32:44,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-23 04:32:44,445 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 [2022-07-23 04:32:44,447 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)] === [2022-07-23 04:32:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:44,448 INFO L85 PathProgramCache]: Analyzing trace with hash -997639927, now seen corresponding path program 1 times [2022-07-23 04:32:44,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:44,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101701603] [2022-07-23 04:32:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 04:32:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:32:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:44,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:44,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101701603] [2022-07-23 04:32:44,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101701603] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:44,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:44,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624964682] [2022-07-23 04:32:44,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:44,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:44,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:44,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:44,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:44,604 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) [2022-07-23 04:32:46,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:46,063 INFO L93 Difference]: Finished difference Result 3948 states and 4727 transitions. [2022-07-23 04:32:46,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:46,063 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 [2022-07-23 04:32:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:46,073 INFO L225 Difference]: With dead ends: 3948 [2022-07-23 04:32:46,073 INFO L226 Difference]: Without dead ends: 3946 [2022-07-23 04:32:46,076 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 [2022-07-23 04:32:46,076 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 1819 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:46,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2680 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:32:46,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-23 04:32:46,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946. [2022-07-23 04:32:46,267 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) [2022-07-23 04:32:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4724 transitions. [2022-07-23 04:32:46,277 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4724 transitions. Word has length 168 [2022-07-23 04:32:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:46,277 INFO L495 AbstractCegarLoop]: Abstraction has 3946 states and 4724 transitions. [2022-07-23 04:32:46,277 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) [2022-07-23 04:32:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4724 transitions. [2022-07-23 04:32:46,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-23 04:32:46,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:46,280 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] [2022-07-23 04:32:46,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-23 04:32:46,281 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)] === [2022-07-23 04:32:46,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1151503070, now seen corresponding path program 1 times [2022-07-23 04:32:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:46,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944918867] [2022-07-23 04:32:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 04:32:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:32:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:32:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:46,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:46,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944918867] [2022-07-23 04:32:46,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944918867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:46,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:46,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182443031] [2022-07-23 04:32:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:46,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:46,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:46,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:46,467 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) [2022-07-23 04:32:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:48,022 INFO L93 Difference]: Finished difference Result 3946 states and 4724 transitions. [2022-07-23 04:32:48,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:48,023 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 [2022-07-23 04:32:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:48,032 INFO L225 Difference]: With dead ends: 3946 [2022-07-23 04:32:48,032 INFO L226 Difference]: Without dead ends: 3944 [2022-07-23 04:32:48,035 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 [2022-07-23 04:32:48,035 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 1813 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:48,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 2678 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 04:32:48,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-07-23 04:32:48,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944. [2022-07-23 04:32:48,232 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) [2022-07-23 04:32:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4721 transitions. [2022-07-23 04:32:48,242 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4721 transitions. Word has length 174 [2022-07-23 04:32:48,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:48,242 INFO L495 AbstractCegarLoop]: Abstraction has 3944 states and 4721 transitions. [2022-07-23 04:32:48,242 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) [2022-07-23 04:32:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4721 transitions. [2022-07-23 04:32:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-23 04:32:48,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:48,245 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] [2022-07-23 04:32:48,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-23 04:32:48,245 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)] === [2022-07-23 04:32:48,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:48,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1321564324, now seen corresponding path program 1 times [2022-07-23 04:32:48,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:48,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732989286] [2022-07-23 04:32:48,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:48,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:32:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:32:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:32:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:32:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:32:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:32:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:32:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:32:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:32:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:32:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:32:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:32:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-23 04:32:48,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:48,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732989286] [2022-07-23 04:32:48,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732989286] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:32:48,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590756243] [2022-07-23 04:32:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:48,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:32:48,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:32:48,520 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) [2022-07-23 04:32:48,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 04:32:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:48,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 04:32:48,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:32:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-23 04:32:49,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:32:49,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590756243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:49,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:32:49,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-07-23 04:32:49,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550989132] [2022-07-23 04:32:49,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:49,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:32:49,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:49,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:32:49,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:32:49,204 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) [2022-07-23 04:32:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:51,895 INFO L93 Difference]: Finished difference Result 4932 states and 5859 transitions. [2022-07-23 04:32:51,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:32:51,896 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 [2022-07-23 04:32:51,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:51,905 INFO L225 Difference]: With dead ends: 4932 [2022-07-23 04:32:51,905 INFO L226 Difference]: Without dead ends: 4930 [2022-07-23 04:32:51,906 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 [2022-07-23 04:32:51,907 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1986 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:51,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3914 Invalid, 4687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-23 04:32:51,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2022-07-23 04:32:52,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4506. [2022-07-23 04:32:52,144 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) [2022-07-23 04:32:52,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 5408 transitions. [2022-07-23 04:32:52,155 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 5408 transitions. Word has length 195 [2022-07-23 04:32:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:52,156 INFO L495 AbstractCegarLoop]: Abstraction has 4506 states and 5408 transitions. [2022-07-23 04:32:52,156 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) [2022-07-23 04:32:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 5408 transitions. [2022-07-23 04:32:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-23 04:32:52,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:52,158 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] [2022-07-23 04:32:52,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 04:32:52,365 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 [2022-07-23 04:32:52,365 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)] === [2022-07-23 04:32:52,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:52,366 INFO L85 PathProgramCache]: Analyzing trace with hash 177639198, now seen corresponding path program 1 times [2022-07-23 04:32:52,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:52,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213666432] [2022-07-23 04:32:52,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 04:32:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:32:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:32:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 04:32:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:32:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:32:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-07-23 04:32:52,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:52,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213666432] [2022-07-23 04:32:52,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213666432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:52,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:52,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 04:32:52,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945400774] [2022-07-23 04:32:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:52,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 04:32:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 04:32:52,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:32:52,571 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) [2022-07-23 04:32:54,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:54,782 INFO L93 Difference]: Finished difference Result 4797 states and 5789 transitions. [2022-07-23 04:32:54,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:32:54,782 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 [2022-07-23 04:32:54,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:54,794 INFO L225 Difference]: With dead ends: 4797 [2022-07-23 04:32:54,795 INFO L226 Difference]: Without dead ends: 4795 [2022-07-23 04:32:54,798 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 [2022-07-23 04:32:54,798 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1904 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:54,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 4668 Invalid, 4648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-23 04:32:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-07-23 04:32:55,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4504. [2022-07-23 04:32:55,061 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) [2022-07-23 04:32:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 5398 transitions. [2022-07-23 04:32:55,074 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 5398 transitions. Word has length 200 [2022-07-23 04:32:55,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:55,074 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 5398 transitions. [2022-07-23 04:32:55,074 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) [2022-07-23 04:32:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 5398 transitions. [2022-07-23 04:32:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-23 04:32:55,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:55,078 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] [2022-07-23 04:32:55,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-23 04:32:55,078 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)] === [2022-07-23 04:32:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:55,078 INFO L85 PathProgramCache]: Analyzing trace with hash 133438446, now seen corresponding path program 1 times [2022-07-23 04:32:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:55,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045533117] [2022-07-23 04:32:55,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 04:32:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:32:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:32:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:32:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:55,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:55,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045533117] [2022-07-23 04:32:55,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045533117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:55,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:55,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:55,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820682220] [2022-07-23 04:32:55,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:55,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:55,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:55,281 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) [2022-07-23 04:32:56,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:56,829 INFO L93 Difference]: Finished difference Result 4504 states and 5398 transitions. [2022-07-23 04:32:56,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:56,830 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 [2022-07-23 04:32:56,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:56,839 INFO L225 Difference]: With dead ends: 4504 [2022-07-23 04:32:56,839 INFO L226 Difference]: Without dead ends: 4502 [2022-07-23 04:32:56,842 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 [2022-07-23 04:32:56,842 INFO L413 NwaCegarLoop]: 1255 mSDtfsCounter, 1795 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:56,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 2672 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:32:56,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-07-23 04:32:57,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4502. [2022-07-23 04:32:57,096 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) [2022-07-23 04:32:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4502 states and 5395 transitions. [2022-07-23 04:32:57,107 INFO L78 Accepts]: Start accepts. Automaton has 4502 states and 5395 transitions. Word has length 180 [2022-07-23 04:32:57,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:57,108 INFO L495 AbstractCegarLoop]: Abstraction has 4502 states and 5395 transitions. [2022-07-23 04:32:57,108 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) [2022-07-23 04:32:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4502 states and 5395 transitions. [2022-07-23 04:32:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-23 04:32:57,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:57,111 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] [2022-07-23 04:32:57,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-23 04:32:57,111 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)] === [2022-07-23 04:32:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:57,112 INFO L85 PathProgramCache]: Analyzing trace with hash 883703373, now seen corresponding path program 1 times [2022-07-23 04:32:57,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:57,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092657528] [2022-07-23 04:32:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:57,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:32:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:32:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:32:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:32:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:32:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:32:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:32:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:32:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:32:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:32:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:32:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 04:32:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 04:32:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 04:32:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:32:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:32:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 04:32:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 04:32:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 04:32:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 04:32:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:32:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:32:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 04:32:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:32:57,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:57,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092657528] [2022-07-23 04:32:57,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092657528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:32:57,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:32:57,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:32:57,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999610237] [2022-07-23 04:32:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:32:57,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:32:57,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:32:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:32:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:32:57,320 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) [2022-07-23 04:32:58,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:32:58,913 INFO L93 Difference]: Finished difference Result 4502 states and 5395 transitions. [2022-07-23 04:32:58,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:32:58,914 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 [2022-07-23 04:32:58,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:32:58,928 INFO L225 Difference]: With dead ends: 4502 [2022-07-23 04:32:58,928 INFO L226 Difference]: Without dead ends: 4109 [2022-07-23 04:32:58,930 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 [2022-07-23 04:32:58,930 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 1786 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:32:58,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2671 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:32:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-07-23 04:32:59,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 4106. [2022-07-23 04:32:59,205 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) [2022-07-23 04:32:59,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 4941 transitions. [2022-07-23 04:32:59,214 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 4941 transitions. Word has length 186 [2022-07-23 04:32:59,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:32:59,214 INFO L495 AbstractCegarLoop]: Abstraction has 4106 states and 4941 transitions. [2022-07-23 04:32:59,215 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) [2022-07-23 04:32:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 4941 transitions. [2022-07-23 04:32:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-23 04:32:59,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:32:59,219 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] [2022-07-23 04:32:59,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-23 04:32:59,219 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)] === [2022-07-23 04:32:59,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:32:59,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1354872773, now seen corresponding path program 1 times [2022-07-23 04:32:59,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:32:59,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803787447] [2022-07-23 04:32:59,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:32:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:32:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:32:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:32:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 04:32:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:32:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:32:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:32:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:32:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:32:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:32:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:32:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 04:32:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 04:32:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 04:32:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:32:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 04:32:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:32:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:32:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 04:32:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 04:32:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 04:32:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:32:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:32:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:32:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 04:32:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 04:32:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 04:32:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 04:32:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 04:32:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 04:32:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:32:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-23 04:32:59,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:32:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803787447] [2022-07-23 04:32:59,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803787447] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:32:59,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074276288] [2022-07-23 04:32:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:32:59,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:32:59,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:32:59,627 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) [2022-07-23 04:32:59,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 04:33:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:00,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 04:33:00,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-23 04:33:00,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:33:00,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074276288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:00,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:33:00,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2022-07-23 04:33:00,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474750757] [2022-07-23 04:33:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:00,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:33:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:33:00,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-07-23 04:33:00,327 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) [2022-07-23 04:33:01,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:01,811 INFO L93 Difference]: Finished difference Result 4106 states and 4941 transitions. [2022-07-23 04:33:01,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:33:01,812 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 [2022-07-23 04:33:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:01,821 INFO L225 Difference]: With dead ends: 4106 [2022-07-23 04:33:01,821 INFO L226 Difference]: Without dead ends: 3827 [2022-07-23 04:33:01,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-07-23 04:33:01,823 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:01,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2548 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 04:33:01,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-23 04:33:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3604. [2022-07-23 04:33:02,019 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) [2022-07-23 04:33:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4371 transitions. [2022-07-23 04:33:02,028 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4371 transitions. Word has length 243 [2022-07-23 04:33:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:02,028 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4371 transitions. [2022-07-23 04:33:02,028 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) [2022-07-23 04:33:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4371 transitions. [2022-07-23 04:33:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-23 04:33:02,034 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:02,034 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] [2022-07-23 04:33:02,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 04:33:02,255 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 [2022-07-23 04:33:02,255 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)] === [2022-07-23 04:33:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:02,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1417287744, now seen corresponding path program 1 times [2022-07-23 04:33:02,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:02,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078508075] [2022-07-23 04:33:02,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 04:33:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 04:33:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 04:33:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 04:33:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:33:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:33:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:33:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 04:33:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 04:33:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 04:33:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 04:33:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 04:33:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:33:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 04:33:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-23 04:33:02,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:02,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078508075] [2022-07-23 04:33:02,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078508075] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:02,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999442504] [2022-07-23 04:33:02,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:02,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:02,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:02,733 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) [2022-07-23 04:33:02,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 04:33:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:03,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 04:33:03,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-07-23 04:33:03,632 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:33:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-23 04:33:04,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999442504] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:04,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:33:04,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 7] total 23 [2022-07-23 04:33:04,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596090359] [2022-07-23 04:33:04,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:04,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:33:04,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:04,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:33:04,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-07-23 04:33:04,059 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) [2022-07-23 04:33:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:06,816 INFO L93 Difference]: Finished difference Result 6373 states and 7963 transitions. [2022-07-23 04:33:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:33:06,816 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 [2022-07-23 04:33:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:06,833 INFO L225 Difference]: With dead ends: 6373 [2022-07-23 04:33:06,833 INFO L226 Difference]: Without dead ends: 6371 [2022-07-23 04:33:06,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 819 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2022-07-23 04:33:06,837 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 3346 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 2034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:06,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 4300 Invalid, 6410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2034 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 04:33:06,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2022-07-23 04:33:07,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 5064. [2022-07-23 04:33:07,163 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) [2022-07-23 04:33:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 6120 transitions. [2022-07-23 04:33:07,175 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 6120 transitions. Word has length 361 [2022-07-23 04:33:07,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:07,175 INFO L495 AbstractCegarLoop]: Abstraction has 5064 states and 6120 transitions. [2022-07-23 04:33:07,175 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) [2022-07-23 04:33:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 6120 transitions. [2022-07-23 04:33:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-23 04:33:07,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:07,183 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] [2022-07-23 04:33:07,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 04:33:07,391 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 [2022-07-23 04:33:07,392 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)] === [2022-07-23 04:33:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:07,392 INFO L85 PathProgramCache]: Analyzing trace with hash 444150498, now seen corresponding path program 1 times [2022-07-23 04:33:07,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:07,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603623066] [2022-07-23 04:33:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:07,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:33:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:33:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:33:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:33:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:33:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:33:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 04:33:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 04:33:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 04:33:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 04:33:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 04:33:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 04:33:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 04:33:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:33:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-23 04:33:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 04:33:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 04:33:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 04:33:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:33:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-07-23 04:33:07,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:07,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603623066] [2022-07-23 04:33:07,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603623066] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:07,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285685212] [2022-07-23 04:33:07,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:07,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:07,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:07,888 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) [2022-07-23 04:33:07,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 04:33:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:08,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:33:08,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-23 04:33:08,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:33:08,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285685212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:08,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:33:08,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-07-23 04:33:08,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943787317] [2022-07-23 04:33:08,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:08,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:33:08,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:08,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:33:08,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:33:08,515 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) [2022-07-23 04:33:08,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:08,874 INFO L93 Difference]: Finished difference Result 7550 states and 9094 transitions. [2022-07-23 04:33:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:33:08,874 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 [2022-07-23 04:33:08,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:08,886 INFO L225 Difference]: With dead ends: 7550 [2022-07-23 04:33:08,887 INFO L226 Difference]: Without dead ends: 4715 [2022-07-23 04:33:08,894 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 [2022-07-23 04:33:08,895 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 [2022-07-23 04:33:08,895 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] [2022-07-23 04:33:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2022-07-23 04:33:09,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4715. [2022-07-23 04:33:09,222 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) [2022-07-23 04:33:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 5659 transitions. [2022-07-23 04:33:09,231 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 5659 transitions. Word has length 422 [2022-07-23 04:33:09,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:09,232 INFO L495 AbstractCegarLoop]: Abstraction has 4715 states and 5659 transitions. [2022-07-23 04:33:09,232 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) [2022-07-23 04:33:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 5659 transitions. [2022-07-23 04:33:09,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-23 04:33:09,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:09,239 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] [2022-07-23 04:33:09,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-23 04:33:09,455 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 [2022-07-23 04:33:09,456 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)] === [2022-07-23 04:33:09,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:09,456 INFO L85 PathProgramCache]: Analyzing trace with hash -2127070789, now seen corresponding path program 1 times [2022-07-23 04:33:09,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:09,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169437571] [2022-07-23 04:33:09,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 04:33:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 04:33:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 04:33:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 04:33:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:33:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:33:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:33:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 04:33:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 04:33:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 04:33:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 04:33:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 04:33:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:33:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:33:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:33:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:33:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 04:33:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-23 04:33:09,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:09,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169437571] [2022-07-23 04:33:09,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169437571] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:09,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897957537] [2022-07-23 04:33:09,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:09,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:09,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:09,964 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) [2022-07-23 04:33:09,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 04:33:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:10,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:33:10,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-23 04:33:10,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:33:10,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897957537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:10,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:33:10,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-23 04:33:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220177994] [2022-07-23 04:33:10,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:10,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:33:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:10,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:33:10,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-23 04:33:10,724 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) [2022-07-23 04:33:11,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:11,260 INFO L93 Difference]: Finished difference Result 8255 states and 9959 transitions. [2022-07-23 04:33:11,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:33:11,262 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 [2022-07-23 04:33:11,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:11,275 INFO L225 Difference]: With dead ends: 8255 [2022-07-23 04:33:11,275 INFO L226 Difference]: Without dead ends: 5046 [2022-07-23 04:33:11,283 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 [2022-07-23 04:33:11,283 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:11,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3734 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 04:33:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2022-07-23 04:33:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 4847. [2022-07-23 04:33:11,642 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) [2022-07-23 04:33:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5847 transitions. [2022-07-23 04:33:11,652 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5847 transitions. Word has length 440 [2022-07-23 04:33:11,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:11,653 INFO L495 AbstractCegarLoop]: Abstraction has 4847 states and 5847 transitions. [2022-07-23 04:33:11,653 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) [2022-07-23 04:33:11,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5847 transitions. [2022-07-23 04:33:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-23 04:33:11,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:11,659 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] [2022-07-23 04:33:11,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-07-23 04:33:11,882 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 [2022-07-23 04:33:11,882 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)] === [2022-07-23 04:33:11,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:11,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1111165305, now seen corresponding path program 1 times [2022-07-23 04:33:11,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:11,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109887963] [2022-07-23 04:33:11,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:11,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 04:33:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 04:33:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 04:33:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 04:33:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:33:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:33:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:33:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 04:33:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 04:33:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 04:33:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 04:33:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 04:33:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:33:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:33:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:33:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:33:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 04:33:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-23 04:33:12,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:12,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109887963] [2022-07-23 04:33:12,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109887963] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:12,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317357631] [2022-07-23 04:33:12,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:12,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:12,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:12,390 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) [2022-07-23 04:33:12,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 04:33:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:12,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:33:12,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-07-23 04:33:12,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:33:12,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317357631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:12,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:33:12,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-23 04:33:12,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790129181] [2022-07-23 04:33:12,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:12,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:33:12,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:12,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:33:12,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-23 04:33:12,994 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) [2022-07-23 04:33:13,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:13,460 INFO L93 Difference]: Finished difference Result 5846 states and 7314 transitions. [2022-07-23 04:33:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:33:13,460 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 [2022-07-23 04:33:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:13,476 INFO L225 Difference]: With dead ends: 5846 [2022-07-23 04:33:13,477 INFO L226 Difference]: Without dead ends: 5844 [2022-07-23 04:33:13,480 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 [2022-07-23 04:33:13,481 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 [2022-07-23 04:33:13,481 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] [2022-07-23 04:33:13,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2022-07-23 04:33:13,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 4855. [2022-07-23 04:33:13,856 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) [2022-07-23 04:33:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 5855 transitions. [2022-07-23 04:33:13,867 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 5855 transitions. Word has length 440 [2022-07-23 04:33:13,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:13,868 INFO L495 AbstractCegarLoop]: Abstraction has 4855 states and 5855 transitions. [2022-07-23 04:33:13,868 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) [2022-07-23 04:33:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5855 transitions. [2022-07-23 04:33:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-23 04:33:13,874 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:13,874 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] [2022-07-23 04:33:13,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-23 04:33:14,097 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 [2022-07-23 04:33:14,097 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)] === [2022-07-23 04:33:14,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1111105723, now seen corresponding path program 1 times [2022-07-23 04:33:14,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:14,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069021826] [2022-07-23 04:33:14,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:14,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-23 04:33:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 04:33:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 04:33:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 04:33:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 04:33:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 04:33:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 04:33:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 04:33:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 04:33:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 04:33:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 04:33:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 04:33:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 04:33:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-23 04:33:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 04:33:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 04:33:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 04:33:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-23 04:33:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069021826] [2022-07-23 04:33:14,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069021826] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628420271] [2022-07-23 04:33:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:14,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:14,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:14,587 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) [2022-07-23 04:33:14,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-23 04:33:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:15,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-23 04:33:15,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-07-23 04:33:15,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:33:15,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628420271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:15,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:33:15,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2022-07-23 04:33:15,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382790619] [2022-07-23 04:33:15,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:15,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 04:33:15,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:15,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 04:33:15,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-23 04:33:15,644 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) [2022-07-23 04:33:16,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:16,621 INFO L93 Difference]: Finished difference Result 9208 states and 11082 transitions. [2022-07-23 04:33:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:33:16,627 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 [2022-07-23 04:33:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:16,638 INFO L225 Difference]: With dead ends: 9208 [2022-07-23 04:33:16,638 INFO L226 Difference]: Without dead ends: 5193 [2022-07-23 04:33:16,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-23 04:33:16,646 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:16,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 3395 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 04:33:16,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5193 states. [2022-07-23 04:33:16,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5193 to 5190. [2022-07-23 04:33:16,989 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) [2022-07-23 04:33:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 6262 transitions. [2022-07-23 04:33:17,002 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 6262 transitions. Word has length 440 [2022-07-23 04:33:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:17,002 INFO L495 AbstractCegarLoop]: Abstraction has 5190 states and 6262 transitions. [2022-07-23 04:33:17,002 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) [2022-07-23 04:33:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 6262 transitions. [2022-07-23 04:33:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-23 04:33:17,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:17,010 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] [2022-07-23 04:33:17,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-23 04:33:17,225 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 [2022-07-23 04:33:17,226 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)] === [2022-07-23 04:33:17,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:17,226 INFO L85 PathProgramCache]: Analyzing trace with hash -845113554, now seen corresponding path program 1 times [2022-07-23 04:33:17,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:17,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594106682] [2022-07-23 04:33:17,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:17,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:33:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:33:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 04:33:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:33:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:33:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:33:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:33:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:33:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:33:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:33:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 04:33:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 04:33:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:33:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:33:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:33:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 04:33:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 04:33:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 04:33:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:33:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:33:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:33:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 04:33:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-23 04:33:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 04:33:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 04:33:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-23 04:33:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:17,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-23 04:33:17,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:17,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594106682] [2022-07-23 04:33:17,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594106682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:17,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:17,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 04:33:17,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69920384] [2022-07-23 04:33:17,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:17,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 04:33:17,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:17,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 04:33:17,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:33:17,617 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) [2022-07-23 04:33:20,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:20,433 INFO L93 Difference]: Finished difference Result 9496 states and 11620 transitions. [2022-07-23 04:33:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 04:33:20,434 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 [2022-07-23 04:33:20,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:20,454 INFO L225 Difference]: With dead ends: 9496 [2022-07-23 04:33:20,454 INFO L226 Difference]: Without dead ends: 6147 [2022-07-23 04:33:20,463 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 [2022-07-23 04:33:20,467 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 2374 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:20,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 5295 Invalid, 4345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 04:33:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-23 04:33:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5218. [2022-07-23 04:33:20,835 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) [2022-07-23 04:33:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 6306 transitions. [2022-07-23 04:33:20,848 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 6306 transitions. Word has length 470 [2022-07-23 04:33:20,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:20,849 INFO L495 AbstractCegarLoop]: Abstraction has 5218 states and 6306 transitions. [2022-07-23 04:33:20,849 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) [2022-07-23 04:33:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 6306 transitions. [2022-07-23 04:33:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-23 04:33:20,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:20,857 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] [2022-07-23 04:33:20,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-23 04:33:20,857 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)] === [2022-07-23 04:33:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash -510338210, now seen corresponding path program 1 times [2022-07-23 04:33:20,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:20,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849331601] [2022-07-23 04:33:20,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:33:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:33:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 04:33:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:33:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:33:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:33:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:33:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:33:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:33:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:33:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 04:33:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 04:33:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:33:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:33:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:33:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 04:33:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 04:33:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 04:33:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:33:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:33:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:33:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 04:33:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 04:33:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 04:33:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:33:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 04:33:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:33:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-23 04:33:21,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:21,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849331601] [2022-07-23 04:33:21,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849331601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:21,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:21,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:33:21,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608940864] [2022-07-23 04:33:21,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:21,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:33:21,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:21,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:33:21,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:33:21,391 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) [2022-07-23 04:33:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:25,541 INFO L93 Difference]: Finished difference Result 9645 states and 11701 transitions. [2022-07-23 04:33:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:33:25,542 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 [2022-07-23 04:33:25,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:25,560 INFO L225 Difference]: With dead ends: 9645 [2022-07-23 04:33:25,561 INFO L226 Difference]: Without dead ends: 6268 [2022-07-23 04:33:25,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-07-23 04:33:25,572 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 4028 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 2534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:25,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 7154 Invalid, 7061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2534 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 04:33:25,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2022-07-23 04:33:26,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5355. [2022-07-23 04:33:26,019 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) [2022-07-23 04:33:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 6416 transitions. [2022-07-23 04:33:26,031 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 6416 transitions. Word has length 477 [2022-07-23 04:33:26,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:26,031 INFO L495 AbstractCegarLoop]: Abstraction has 5355 states and 6416 transitions. [2022-07-23 04:33:26,032 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) [2022-07-23 04:33:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 6416 transitions. [2022-07-23 04:33:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-23 04:33:26,040 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:26,041 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] [2022-07-23 04:33:26,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-23 04:33:26,041 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)] === [2022-07-23 04:33:26,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash -461320862, now seen corresponding path program 1 times [2022-07-23 04:33:26,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:26,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111779220] [2022-07-23 04:33:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:33:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:33:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 04:33:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:33:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:33:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:33:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:33:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:33:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:33:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:33:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 04:33:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 04:33:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:33:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:33:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:33:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 04:33:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 04:33:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 04:33:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:33:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:33:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:33:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 04:33:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 04:33:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 04:33:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:33:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 04:33:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:33:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-23 04:33:26,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:26,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111779220] [2022-07-23 04:33:26,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111779220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:26,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:26,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 04:33:26,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170387519] [2022-07-23 04:33:26,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:26,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 04:33:26,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 04:33:26,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:33:26,491 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) [2022-07-23 04:33:28,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:28,392 INFO L93 Difference]: Finished difference Result 9319 states and 11125 transitions. [2022-07-23 04:33:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 04:33:28,393 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 [2022-07-23 04:33:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:28,406 INFO L225 Difference]: With dead ends: 9319 [2022-07-23 04:33:28,406 INFO L226 Difference]: Without dead ends: 5660 [2022-07-23 04:33:28,414 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 [2022-07-23 04:33:28,414 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:28,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 3516 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2349 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 04:33:28,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2022-07-23 04:33:28,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5345. [2022-07-23 04:33:28,847 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) [2022-07-23 04:33:28,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6399 transitions. [2022-07-23 04:33:28,860 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6399 transitions. Word has length 481 [2022-07-23 04:33:28,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:28,861 INFO L495 AbstractCegarLoop]: Abstraction has 5345 states and 6399 transitions. [2022-07-23 04:33:28,861 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) [2022-07-23 04:33:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6399 transitions. [2022-07-23 04:33:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-23 04:33:28,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:28,869 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] [2022-07-23 04:33:28,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-23 04:33:28,870 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)] === [2022-07-23 04:33:28,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:28,870 INFO L85 PathProgramCache]: Analyzing trace with hash 935171739, now seen corresponding path program 1 times [2022-07-23 04:33:28,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:28,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315731290] [2022-07-23 04:33:28,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:33:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:33:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:33:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:33:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:33:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:33:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:33:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 04:33:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 04:33:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 04:33:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:33:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 04:33:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 04:33:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:33:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 04:33:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:33:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 04:33:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 04:33:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:33:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 04:33:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 04:33:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 04:33:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 04:33:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 04:33:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 04:33:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:33:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 04:33:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:33:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:33:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 04:33:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-23 04:33:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:33:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:33:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 04:33:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:33:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2022-07-23 04:33:29,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:29,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315731290] [2022-07-23 04:33:29,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315731290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:29,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:29,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:33:29,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656762557] [2022-07-23 04:33:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:29,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:33:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:29,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:33:29,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:33:29,311 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) [2022-07-23 04:33:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:33,044 INFO L93 Difference]: Finished difference Result 10382 states and 12465 transitions. [2022-07-23 04:33:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:33:33,044 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 [2022-07-23 04:33:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:33,058 INFO L225 Difference]: With dead ends: 10382 [2022-07-23 04:33:33,059 INFO L226 Difference]: Without dead ends: 5850 [2022-07-23 04:33:33,067 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 [2022-07-23 04:33:33,068 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2230 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 1941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:33,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 6041 Invalid, 6187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1941 Valid, 4246 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 04:33:33,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2022-07-23 04:33:33,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5437. [2022-07-23 04:33:33,470 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) [2022-07-23 04:33:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 6492 transitions. [2022-07-23 04:33:33,482 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 6492 transitions. Word has length 505 [2022-07-23 04:33:33,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:33,483 INFO L495 AbstractCegarLoop]: Abstraction has 5437 states and 6492 transitions. [2022-07-23 04:33:33,483 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) [2022-07-23 04:33:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 6492 transitions. [2022-07-23 04:33:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-23 04:33:33,491 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:33,491 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] [2022-07-23 04:33:33,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-23 04:33:33,491 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)] === [2022-07-23 04:33:33,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:33,492 INFO L85 PathProgramCache]: Analyzing trace with hash 542144729, now seen corresponding path program 1 times [2022-07-23 04:33:33,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:33,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116843287] [2022-07-23 04:33:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:33:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:33:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:33:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:33:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:33:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:33:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:33:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 04:33:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 04:33:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 04:33:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:33:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 04:33:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 04:33:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:33:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 04:33:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:33:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 04:33:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 04:33:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:33:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 04:33:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 04:33:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 04:33:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 04:33:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 04:33:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 04:33:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:33:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 04:33:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:33:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:33:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 04:33:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-23 04:33:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 04:33:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 04:33:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 04:33:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 04:33:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-23 04:33:33,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:33,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116843287] [2022-07-23 04:33:33,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116843287] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:33,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563004661] [2022-07-23 04:33:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:33,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:33,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:34,000 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) [2022-07-23 04:33:34,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-23 04:33:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:34,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 04:33:34,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2022-07-23 04:33:35,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:33:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-23 04:33:35,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563004661] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:33:35,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:33:35,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 9] total 20 [2022-07-23 04:33:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193074739] [2022-07-23 04:33:35,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:33:35,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 04:33:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:35,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 04:33:35,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-23 04:33:35,769 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) [2022-07-23 04:33:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:40,519 INFO L93 Difference]: Finished difference Result 5814 states and 6984 transitions. [2022-07-23 04:33:40,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:33:40,520 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 [2022-07-23 04:33:40,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:40,534 INFO L225 Difference]: With dead ends: 5814 [2022-07-23 04:33:40,535 INFO L226 Difference]: Without dead ends: 5812 [2022-07-23 04:33:40,538 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 [2022-07-23 04:33:40,538 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 4777 mSDsluCounter, 5393 mSDsCounter, 0 mSdLazyCounter, 6624 mSolverCounterSat, 3211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:40,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4897 Valid, 6422 Invalid, 9835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3211 Valid, 6624 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 04:33:40,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-07-23 04:33:40,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 4421. [2022-07-23 04:33:40,939 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) [2022-07-23 04:33:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 5291 transitions. [2022-07-23 04:33:40,949 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 5291 transitions. Word has length 505 [2022-07-23 04:33:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:40,950 INFO L495 AbstractCegarLoop]: Abstraction has 4421 states and 5291 transitions. [2022-07-23 04:33:40,950 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) [2022-07-23 04:33:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 5291 transitions. [2022-07-23 04:33:40,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-23 04:33:40,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:40,959 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] [2022-07-23 04:33:40,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-23 04:33:41,163 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 [2022-07-23 04:33:41,164 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)] === [2022-07-23 04:33:41,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash 610364250, now seen corresponding path program 1 times [2022-07-23 04:33:41,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:41,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866634711] [2022-07-23 04:33:41,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:33:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:33:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:33:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:33:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:33:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:33:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:33:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:33:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:33:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:33:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:33:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:33:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 04:33:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 04:33:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 04:33:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 04:33:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:33:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 04:33:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 04:33:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 04:33:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 04:33:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 04:33:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 04:33:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 04:33:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 04:33:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 04:33:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 04:33:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 04:33:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 04:33:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 04:33:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 04:33:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 04:33:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 04:33:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 04:33:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 04:33:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 04:33:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 04:33:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-23 04:33:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-23 04:33:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 04:33:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-23 04:33:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-23 04:33:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 04:33:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 04:33:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 04:33:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-23 04:33:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:33:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-23 04:33:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 04:33:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 04:33:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-23 04:33:41,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:41,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866634711] [2022-07-23 04:33:41,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866634711] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:33:41,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014638823] [2022-07-23 04:33:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:41,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:41,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:41,904 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) [2022-07-23 04:33:41,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-23 04:33:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 04:33:42,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 509 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2022-07-23 04:33:43,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:33:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-23 04:33:43,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014638823] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:33:43,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 04:33:43,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 18 [2022-07-23 04:33:43,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764780772] [2022-07-23 04:33:43,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 04:33:43,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-23 04:33:43,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:43,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-23 04:33:43,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:33:43,706 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) [2022-07-23 04:33:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:47,388 INFO L93 Difference]: Finished difference Result 4640 states and 5575 transitions. [2022-07-23 04:33:47,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:33:47,388 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 [2022-07-23 04:33:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:47,397 INFO L225 Difference]: With dead ends: 4640 [2022-07-23 04:33:47,397 INFO L226 Difference]: Without dead ends: 4180 [2022-07-23 04:33:47,399 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 [2022-07-23 04:33:47,400 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 4559 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 2844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:47,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4664 Valid, 5367 Invalid, 8839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2844 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 04:33:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2022-07-23 04:33:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 3988. [2022-07-23 04:33:47,787 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) [2022-07-23 04:33:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 4774 transitions. [2022-07-23 04:33:47,797 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 4774 transitions. Word has length 538 [2022-07-23 04:33:47,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:47,798 INFO L495 AbstractCegarLoop]: Abstraction has 3988 states and 4774 transitions. [2022-07-23 04:33:47,798 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) [2022-07-23 04:33:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4774 transitions. [2022-07-23 04:33:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-23 04:33:47,809 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:47,810 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] [2022-07-23 04:33:47,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-07-23 04:33:48,027 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 [2022-07-23 04:33:48,028 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)] === [2022-07-23 04:33:48,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:48,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1365941636, now seen corresponding path program 1 times [2022-07-23 04:33:48,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:48,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606540843] [2022-07-23 04:33:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:33:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:33:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 04:33:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:33:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:33:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:33:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:33:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:33:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:33:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:33:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 04:33:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 04:33:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:33:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:33:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:33:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 04:33:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 04:33:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 04:33:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:33:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:33:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:33:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 04:33:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 04:33:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 04:33:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:33:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 04:33:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:33:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-23 04:33:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 04:33:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:33:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 04:33:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-23 04:33:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-23 04:33:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:33:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-23 04:33:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 04:33:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-23 04:33:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-23 04:33:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-23 04:33:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-23 04:33:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-23 04:33:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-23 04:33:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-23 04:33:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-23 04:33:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-23 04:33:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-23 04:33:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-23 04:33:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-23 04:33:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-23 04:33:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-23 04:33:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:48,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606540843] [2022-07-23 04:33:48,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606540843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:48,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:48,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 04:33:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672716183] [2022-07-23 04:33:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:48,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 04:33:48,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:48,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 04:33:48,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:33:48,567 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) [2022-07-23 04:33:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:51,350 INFO L93 Difference]: Finished difference Result 7157 states and 8710 transitions. [2022-07-23 04:33:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:33:51,351 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 [2022-07-23 04:33:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:51,363 INFO L225 Difference]: With dead ends: 7157 [2022-07-23 04:33:51,364 INFO L226 Difference]: Without dead ends: 4761 [2022-07-23 04:33:51,370 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 [2022-07-23 04:33:51,371 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 2719 mSDsluCounter, 3919 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:51,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5286 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2265 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-23 04:33:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2022-07-23 04:33:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 3991. [2022-07-23 04:33:51,745 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) [2022-07-23 04:33:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 4777 transitions. [2022-07-23 04:33:51,754 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 4777 transitions. Word has length 722 [2022-07-23 04:33:51,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:51,755 INFO L495 AbstractCegarLoop]: Abstraction has 3991 states and 4777 transitions. [2022-07-23 04:33:51,755 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) [2022-07-23 04:33:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 4777 transitions. [2022-07-23 04:33:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-23 04:33:51,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:51,765 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] [2022-07-23 04:33:51,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-23 04:33:51,765 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)] === [2022-07-23 04:33:51,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1422806982, now seen corresponding path program 1 times [2022-07-23 04:33:51,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:51,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650682805] [2022-07-23 04:33:51,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:51,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:33:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 04:33:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 04:33:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 04:33:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:33:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:33:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:33:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:33:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 04:33:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 04:33:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 04:33:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 04:33:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 04:33:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 04:33:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 04:33:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 04:33:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 04:33:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 04:33:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 04:33:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 04:33:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 04:33:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 04:33:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 04:33:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 04:33:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:33:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 04:33:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 04:33:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 04:33:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 04:33:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 04:33:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:33:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:33:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:33:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:33:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 04:33:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-23 04:33:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 04:33:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-23 04:33:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 04:33:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 04:33:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-23 04:33:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:33:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-23 04:33:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-23 04:33:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-23 04:33:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-23 04:33:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 04:33:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-23 04:33:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:33:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:33:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:33:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-23 04:33:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-23 04:33:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-23 04:33:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-23 04:33:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-23 04:33:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-23 04:33:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-23 04:33:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-23 04:33:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-23 04:33:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-23 04:33:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-23 04:33:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-23 04:33:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:52,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-23 04:33:52,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:33:52,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650682805] [2022-07-23 04:33:52,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650682805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:33:52,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:33:52,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-23 04:33:52,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089310831] [2022-07-23 04:33:52,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:33:52,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 04:33:52,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:33:52,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 04:33:52,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-23 04:33:52,470 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) [2022-07-23 04:33:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:33:57,816 INFO L93 Difference]: Finished difference Result 7748 states and 9584 transitions. [2022-07-23 04:33:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-23 04:33:57,817 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 [2022-07-23 04:33:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:33:57,828 INFO L225 Difference]: With dead ends: 7748 [2022-07-23 04:33:57,828 INFO L226 Difference]: Without dead ends: 5349 [2022-07-23 04:33:57,833 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 [2022-07-23 04:33:57,833 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 3347 mSDsluCounter, 9220 mSDsCounter, 0 mSdLazyCounter, 7704 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:33:57,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 10645 Invalid, 10076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2372 Valid, 7704 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 04:33:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-07-23 04:33:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4015. [2022-07-23 04:33:58,171 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) [2022-07-23 04:33:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 4801 transitions. [2022-07-23 04:33:58,181 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 4801 transitions. Word has length 722 [2022-07-23 04:33:58,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:33:58,182 INFO L495 AbstractCegarLoop]: Abstraction has 4015 states and 4801 transitions. [2022-07-23 04:33:58,182 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) [2022-07-23 04:33:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4801 transitions. [2022-07-23 04:33:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-07-23 04:33:58,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:33:58,193 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] [2022-07-23 04:33:58,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-23 04:33:58,194 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)] === [2022-07-23 04:33:58,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:33:58,194 INFO L85 PathProgramCache]: Analyzing trace with hash -105048126, now seen corresponding path program 1 times [2022-07-23 04:33:58,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:33:58,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133152305] [2022-07-23 04:33:58,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:58,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:33:58,276 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:33:58,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909884099] [2022-07-23 04:33:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:33:58,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:33:58,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:33:58,278 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) [2022-07-23 04:33:58,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-23 04:33:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:33:59,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-23 04:33:59,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:33:59,216 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-23 04:33:59,216 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 [2022-07-23 04:33:59,233 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 [2022-07-23 04:34:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1225 proven. 211 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-07-23 04:34:00,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:34:00,899 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 [2022-07-23 04:34:00,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:34:00,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133152305] [2022-07-23 04:34:00,955 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 04:34:00,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909884099] [2022-07-23 04:34:00,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909884099] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:34:00,955 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:34:00,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-07-23 04:34:00,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996026194] [2022-07-23 04:34:00,956 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-23 04:34:00,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:34:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:34:00,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:34:00,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=275, Unknown=6, NotChecked=34, Total=380 [2022-07-23 04:34:00,957 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) [2022-07-23 04:34:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:34:03,011 INFO L93 Difference]: Finished difference Result 6745 states and 8057 transitions. [2022-07-23 04:34:03,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:34:03,012 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 [2022-07-23 04:34:03,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:34:03,019 INFO L225 Difference]: With dead ends: 6745 [2022-07-23 04:34:03,020 INFO L226 Difference]: Without dead ends: 2980 [2022-07-23 04:34:03,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1457 GetRequests, 1426 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=802, Unknown=6, NotChecked=60, Total=1056 [2022-07-23 04:34:03,031 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 678 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:34:03,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 3553 Invalid, 2974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-23 04:34:03,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2022-07-23 04:34:03,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2657. [2022-07-23 04:34:03,376 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) [2022-07-23 04:34:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3160 transitions. [2022-07-23 04:34:03,383 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3160 transitions. Word has length 743 [2022-07-23 04:34:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:34:03,384 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 3160 transitions. [2022-07-23 04:34:03,384 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) [2022-07-23 04:34:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3160 transitions. [2022-07-23 04:34:03,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-23 04:34:03,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:34:03,393 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] [2022-07-23 04:34:03,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-23 04:34:03,618 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 [2022-07-23 04:34:03,619 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)] === [2022-07-23 04:34:03,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:34:03,619 INFO L85 PathProgramCache]: Analyzing trace with hash -666768630, now seen corresponding path program 1 times [2022-07-23 04:34:03,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:34:03,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113370055] [2022-07-23 04:34:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:34:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:34:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:34:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:34:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:34:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:34:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 04:34:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:34:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:34:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:34:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:34:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 04:34:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:34:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 04:34:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 04:34:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 04:34:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 04:34:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 04:34:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 04:34:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 04:34:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 04:34:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 04:34:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 04:34:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 04:34:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 04:34:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 04:34:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 04:34:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 04:34:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 04:34:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 04:34:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 04:34:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 04:34:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 04:34:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 04:34:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 04:34:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 04:34:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 04:34:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 04:34:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 04:34:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 04:34:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 04:34:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 04:34:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 04:34:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:34:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:34:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:34:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:34:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 04:34:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 04:34:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:34:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 04:34:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 04:34:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 04:34:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 04:34:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-23 04:34:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 04:34:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:34:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-23 04:34:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:34:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:34:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-23 04:34:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-23 04:34:04,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:34:04,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113370055] [2022-07-23 04:34:04,148 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-23 04:34:04,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332105213] [2022-07-23 04:34:04,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:04,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:34:04,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:34:04,150 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) [2022-07-23 04:34:04,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-23 04:34:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:04,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 4099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:34:04,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:34:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-23 04:34:04,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:34:04,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332105213] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:34:04,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:34:04,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:34:04,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543718180] [2022-07-23 04:34:04,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:34:04,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:34:04,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:34:04,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:34:04,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:34:04,942 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) [2022-07-23 04:34:05,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:34:05,252 INFO L93 Difference]: Finished difference Result 5937 states and 7296 transitions. [2022-07-23 04:34:05,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:34:05,253 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 [2022-07-23 04:34:05,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:34:05,261 INFO L225 Difference]: With dead ends: 5937 [2022-07-23 04:34:05,261 INFO L226 Difference]: Without dead ends: 3475 [2022-07-23 04:34:05,266 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 [2022-07-23 04:34:05,266 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 [2022-07-23 04:34:05,266 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] [2022-07-23 04:34:05,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2022-07-23 04:34:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2660. [2022-07-23 04:34:05,509 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) [2022-07-23 04:34:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3163 transitions. [2022-07-23 04:34:05,514 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3163 transitions. Word has length 843 [2022-07-23 04:34:05,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:34:05,514 INFO L495 AbstractCegarLoop]: Abstraction has 2660 states and 3163 transitions. [2022-07-23 04:34:05,514 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) [2022-07-23 04:34:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3163 transitions. [2022-07-23 04:34:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-23 04:34:05,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:34:05,523 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] [2022-07-23 04:34:05,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-23 04:34:05,742 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 [2022-07-23 04:34:05,743 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)] === [2022-07-23 04:34:05,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:34:05,743 INFO L85 PathProgramCache]: Analyzing trace with hash 58861708, now seen corresponding path program 1 times [2022-07-23 04:34:05,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:34:05,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764891839] [2022-07-23 04:34:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:05,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:34:05,800 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:34:05,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986226596] [2022-07-23 04:34:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:05,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:34:05,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:34:05,802 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) [2022-07-23 04:34:05,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-23 04:34:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:06,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 4098 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-23 04:34:06,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:34:07,344 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 [2022-07-23 04:34:11,665 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-23 04:34:11,666 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 [2022-07-23 04:34:15,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1469 proven. 0 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2022-07-23 04:34:15,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:34:15,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:34:15,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764891839] [2022-07-23 04:34:15,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 04:34:15,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986226596] [2022-07-23 04:34:15,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986226596] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:34:15,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:34:15,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 04:34:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746222082] [2022-07-23 04:34:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:34:15,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:34:15,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:34:15,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:34:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=106, Unknown=10, NotChecked=0, Total=156 [2022-07-23 04:34:15,657 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) [2022-07-23 04:34:24,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:34:24,359 INFO L93 Difference]: Finished difference Result 7659 states and 9159 transitions. [2022-07-23 04:34:24,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 04:34:24,360 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 [2022-07-23 04:34:24,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:34:24,373 INFO L225 Difference]: With dead ends: 7659 [2022-07-23 04:34:24,374 INFO L226 Difference]: Without dead ends: 5332 [2022-07-23 04:34:24,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=90, Invalid=273, Unknown=17, NotChecked=0, Total=380 [2022-07-23 04:34:24,386 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 1273 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:34:24,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 6561 Invalid, 8239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 5388 Invalid, 0 Unknown, 2307 Unchecked, 3.9s Time] [2022-07-23 04:34:24,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-07-23 04:34:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 4244. [2022-07-23 04:34:24,865 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) [2022-07-23 04:34:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5078 transitions. [2022-07-23 04:34:24,874 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5078 transitions. Word has length 843 [2022-07-23 04:34:24,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:34:24,874 INFO L495 AbstractCegarLoop]: Abstraction has 4244 states and 5078 transitions. [2022-07-23 04:34:24,875 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) [2022-07-23 04:34:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5078 transitions. [2022-07-23 04:34:24,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2022-07-23 04:34:24,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:34:24,886 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] [2022-07-23 04:34:24,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-23 04:34:25,107 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 [2022-07-23 04:34:25,107 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)] === [2022-07-23 04:34:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:34:25,108 INFO L85 PathProgramCache]: Analyzing trace with hash -890771832, now seen corresponding path program 1 times [2022-07-23 04:34:25,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:34:25,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336472837] [2022-07-23 04:34:25,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:25,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:34:25,230 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:34:25,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079244521] [2022-07-23 04:34:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:25,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:34:25,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:34:25,238 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) [2022-07-23 04:34:25,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-23 04:34:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:26,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 4197 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-23 04:34:26,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:34:26,802 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 [2022-07-23 04:34:31,279 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-07-23 04:34:31,279 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 [2022-07-23 04:34:31,324 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 [2022-07-23 04:34:35,035 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-23 04:34:35,036 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 [2022-07-23 04:34:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1481 proven. 2 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2022-07-23 04:34:39,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:34:39,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:34:39,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336472837] [2022-07-23 04:34:39,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 04:34:39,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079244521] [2022-07-23 04:34:39,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079244521] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:34:39,996 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:34:39,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-07-23 04:34:39,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692384170] [2022-07-23 04:34:39,996 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-23 04:34:39,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:34:39,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:34:39,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:34:39,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=299, Unknown=10, NotChecked=0, Total=380 [2022-07-23 04:34:39,997 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) [2022-07-23 04:34:49,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:34:49,658 INFO L93 Difference]: Finished difference Result 10657 states and 12846 transitions. [2022-07-23 04:34:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:34:49,658 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 [2022-07-23 04:34:49,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:34:49,675 INFO L225 Difference]: With dead ends: 10657 [2022-07-23 04:34:49,676 INFO L226 Difference]: Without dead ends: 7024 [2022-07-23 04:34:49,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1553 GetRequests, 1527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=135, Invalid=550, Unknown=17, NotChecked=0, Total=702 [2022-07-23 04:34:49,685 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 [2022-07-23 04:34:49,688 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] [2022-07-23 04:34:49,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2022-07-23 04:34:50,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 4767. [2022-07-23 04:34:50,140 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) [2022-07-23 04:34:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 5707 transitions. [2022-07-23 04:34:50,151 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 5707 transitions. Word has length 861 [2022-07-23 04:34:50,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:34:50,151 INFO L495 AbstractCegarLoop]: Abstraction has 4767 states and 5707 transitions. [2022-07-23 04:34:50,152 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) [2022-07-23 04:34:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 5707 transitions. [2022-07-23 04:34:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2022-07-23 04:34:50,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:34:50,193 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] [2022-07-23 04:34:50,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-23 04:34:50,393 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 [2022-07-23 04:34:50,394 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)] === [2022-07-23 04:34:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:34:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 299355961, now seen corresponding path program 1 times [2022-07-23 04:34:50,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:34:50,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577091511] [2022-07-23 04:34:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:34:50,460 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:34:50,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367786747] [2022-07-23 04:34:50,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:50,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:34:50,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:34:50,475 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) [2022-07-23 04:34:50,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-23 04:34:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:51,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 4232 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 04:34:51,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:34:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1207 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-07-23 04:34:51,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:34:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:34:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577091511] [2022-07-23 04:34:51,505 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 04:34:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367786747] [2022-07-23 04:34:51,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367786747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:34:51,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:34:51,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:34:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363507213] [2022-07-23 04:34:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:34:51,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:34:51,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:34:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:34:51,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:34:51,507 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) [2022-07-23 04:34:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:34:52,266 INFO L93 Difference]: Finished difference Result 6260 states and 7583 transitions. [2022-07-23 04:34:52,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:34:52,266 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 [2022-07-23 04:34:52,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:34:52,277 INFO L225 Difference]: With dead ends: 6260 [2022-07-23 04:34:52,278 INFO L226 Difference]: Without dead ends: 5252 [2022-07-23 04:34:52,282 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 [2022-07-23 04:34:52,282 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 [2022-07-23 04:34:52,282 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] [2022-07-23 04:34:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-23 04:34:52,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4770. [2022-07-23 04:34:52,713 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) [2022-07-23 04:34:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 5710 transitions. [2022-07-23 04:34:52,724 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 5710 transitions. Word has length 873 [2022-07-23 04:34:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:34:52,725 INFO L495 AbstractCegarLoop]: Abstraction has 4770 states and 5710 transitions. [2022-07-23 04:34:52,725 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) [2022-07-23 04:34:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 5710 transitions. [2022-07-23 04:34:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2022-07-23 04:34:52,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:34:52,738 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] [2022-07-23 04:34:52,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-23 04:34:52,951 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 [2022-07-23 04:34:52,952 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)] === [2022-07-23 04:34:52,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:34:52,952 INFO L85 PathProgramCache]: Analyzing trace with hash -72287231, now seen corresponding path program 1 times [2022-07-23 04:34:52,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:34:52,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913278896] [2022-07-23 04:34:52,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:34:53,023 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:34:53,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688548645] [2022-07-23 04:34:53,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:34:53,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:34:53,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:34:53,025 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) [2022-07-23 04:34:53,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-23 04:34:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:34:54,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-23 04:34:54,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:34:54,530 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-23 04:34:54,530 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 [2022-07-23 04:34:54,544 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 [2022-07-23 04:34:54,838 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 [2022-07-23 04:34:56,965 INFO L356 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-07-23 04:34:56,966 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 [2022-07-23 04:35:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2388 proven. 287 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-23 04:35:09,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:35:16,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:35:16,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913278896] [2022-07-23 04:35:16,256 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-23 04:35:16,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688548645] [2022-07-23 04:35:16,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688548645] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 04:35:16,256 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-23 04:35:16,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-07-23 04:35:16,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314799626] [2022-07-23 04:35:16,256 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-23 04:35:16,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 04:35:16,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:35:16,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 04:35:16,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=441, Unknown=7, NotChecked=0, Total=552 [2022-07-23 04:35:16,258 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) [2022-07-23 04:35:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:35:20,583 INFO L93 Difference]: Finished difference Result 7909 states and 9417 transitions. [2022-07-23 04:35:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 04:35:20,584 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 [2022-07-23 04:35:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:35:20,598 INFO L225 Difference]: With dead ends: 7909 [2022-07-23 04:35:20,599 INFO L226 Difference]: Without dead ends: 6100 [2022-07-23 04:35:20,605 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 [2022-07-23 04:35:20,605 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 [2022-07-23 04:35:20,605 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] [2022-07-23 04:35:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6100 states. [2022-07-23 04:35:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6100 to 6048. [2022-07-23 04:35:21,274 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) [2022-07-23 04:35:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6048 states to 6048 states and 7227 transitions. [2022-07-23 04:35:21,286 INFO L78 Accepts]: Start accepts. Automaton has 6048 states and 7227 transitions. Word has length 908 [2022-07-23 04:35:21,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:35:21,287 INFO L495 AbstractCegarLoop]: Abstraction has 6048 states and 7227 transitions. [2022-07-23 04:35:21,287 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) [2022-07-23 04:35:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 6048 states and 7227 transitions. [2022-07-23 04:35:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2022-07-23 04:35:21,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:35:21,302 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] [2022-07-23 04:35:21,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-23 04:35:21,515 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 [2022-07-23 04:35:21,516 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)] === [2022-07-23 04:35:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:35:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2049313502, now seen corresponding path program 1 times [2022-07-23 04:35:21,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:35:21,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112382140] [2022-07-23 04:35:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:35:21,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:35:21,585 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-23 04:35:21,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346586782] [2022-07-23 04:35:21,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:35:21,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 04:35:21,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:35:21,587 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) [2022-07-23 04:35:21,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-23 04:35:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:35:23,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 94 conjunts are in the unsatisfiable core [2022-07-23 04:35:23,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:35:23,891 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-23 04:35:23,891 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 [2022-07-23 04:35:23,912 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 [2022-07-23 04:35:24,442 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 [2022-07-23 04:35:35,595 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-23 04:35:35,596 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