./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.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 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:05:24,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:05:24,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:05:24,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:05:24,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:05:24,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:05:24,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:05:25,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:05:25,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:05:25,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:05:25,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:05:25,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:05:25,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:05:25,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:05:25,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:05:25,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:05:25,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:05:25,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:05:25,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:05:25,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:05:25,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:05:25,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:05:25,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:05:25,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:05:25,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:05:25,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:05:25,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:05:25,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:05:25,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:05:25,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:05:25,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:05:25,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:05:25,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:05:25,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:05:25,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:05:25,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:05:25,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:05:25,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:05:25,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:05:25,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:05:25,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:05:25,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 22:05:25,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:05:25,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:05:25,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:05:25,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:05:25,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:05:25,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:05:25,076 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:05:25,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:05:25,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:05:25,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:05:25,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:05:25,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:05:25,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:05:25,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:05:25,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:05:25,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:05:25,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:05:25,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:05:25,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:05:25,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:05:25,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:05:25,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:05:25,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:05:25,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dbe8069ce4dfce1c2f5ecd6b7071863ebf3cc1894dcf2fe187946b9d9f58fb [2021-11-06 22:05:25,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:05:25,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:05:25,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:05:25,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:05:25,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:05:25,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2021-11-06 22:05:25,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac145ca69/6934b22ad68b44afb3ec665ab9a9e004/FLAG233bc328b [2021-11-06 22:05:26,053 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:05:26,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2021-11-06 22:05:26,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac145ca69/6934b22ad68b44afb3ec665ab9a9e004/FLAG233bc328b [2021-11-06 22:05:26,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac145ca69/6934b22ad68b44afb3ec665ab9a9e004 [2021-11-06 22:05:26,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:05:26,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:05:26,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:05:26,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:05:26,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:05:26,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:26" (1/1) ... [2021-11-06 22:05:26,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eba97d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:26, skipping insertion in model container [2021-11-06 22:05:26,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:26" (1/1) ... [2021-11-06 22:05:26,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:05:26,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:05:29,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2021-11-06 22:05:29,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2021-11-06 22:05:29,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2021-11-06 22:05:29,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2021-11-06 22:05:29,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2021-11-06 22:05:29,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2021-11-06 22:05:29,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2021-11-06 22:05:29,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2021-11-06 22:05:29,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2021-11-06 22:05:29,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2021-11-06 22:05:29,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2021-11-06 22:05:29,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2021-11-06 22:05:29,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2021-11-06 22:05:29,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2021-11-06 22:05:29,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2021-11-06 22:05:29,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2021-11-06 22:05:29,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2021-11-06 22:05:29,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2021-11-06 22:05:29,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2021-11-06 22:05:29,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2021-11-06 22:05:29,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2021-11-06 22:05:29,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2021-11-06 22:05:29,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2021-11-06 22:05:29,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2021-11-06 22:05:29,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2021-11-06 22:05:29,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2021-11-06 22:05:29,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2021-11-06 22:05:29,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2021-11-06 22:05:29,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2021-11-06 22:05:29,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2021-11-06 22:05:29,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2021-11-06 22:05:29,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2021-11-06 22:05:29,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2021-11-06 22:05:29,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2021-11-06 22:05:29,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2021-11-06 22:05:29,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2021-11-06 22:05:29,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2021-11-06 22:05:29,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2021-11-06 22:05:29,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2021-11-06 22:05:29,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2021-11-06 22:05:29,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2021-11-06 22:05:29,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2021-11-06 22:05:29,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2021-11-06 22:05:29,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2021-11-06 22:05:29,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2021-11-06 22:05:29,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2021-11-06 22:05:29,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2021-11-06 22:05:29,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2021-11-06 22:05:29,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2021-11-06 22:05:29,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2021-11-06 22:05:29,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2021-11-06 22:05:29,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2021-11-06 22:05:29,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2021-11-06 22:05:29,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2021-11-06 22:05:29,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2021-11-06 22:05:29,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2021-11-06 22:05:29,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2021-11-06 22:05:29,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2021-11-06 22:05:29,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2021-11-06 22:05:29,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2021-11-06 22:05:29,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2021-11-06 22:05:29,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2021-11-06 22:05:29,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2021-11-06 22:05:29,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2021-11-06 22:05:29,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2021-11-06 22:05:29,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2021-11-06 22:05:29,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2021-11-06 22:05:29,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2021-11-06 22:05:29,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2021-11-06 22:05:29,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2021-11-06 22:05:29,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2021-11-06 22:05:29,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2021-11-06 22:05:29,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2021-11-06 22:05:29,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2021-11-06 22:05:29,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2021-11-06 22:05:29,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2021-11-06 22:05:29,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2021-11-06 22:05:29,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2021-11-06 22:05:29,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2021-11-06 22:05:29,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2021-11-06 22:05:29,324 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2021-11-06 22:05:29,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2021-11-06 22:05:29,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2021-11-06 22:05:29,325 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2021-11-06 22:05:29,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2021-11-06 22:05:29,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2021-11-06 22:05:29,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2021-11-06 22:05:29,326 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2021-11-06 22:05:29,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:05:29,373 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:05:29,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375016,375029] [2021-11-06 22:05:29,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375161,375174] [2021-11-06 22:05:29,640 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375307,375320] [2021-11-06 22:05:29,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375472,375485] [2021-11-06 22:05:29,641 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375630,375643] [2021-11-06 22:05:29,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375788,375801] [2021-11-06 22:05:29,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[375946,375959] [2021-11-06 22:05:29,643 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376106,376119] [2021-11-06 22:05:29,644 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376265,376278] [2021-11-06 22:05:29,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376404,376417] [2021-11-06 22:05:29,645 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376546,376559] [2021-11-06 22:05:29,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376695,376708] [2021-11-06 22:05:29,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376834,376847] [2021-11-06 22:05:29,646 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[376989,377002] [2021-11-06 22:05:29,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377149,377162] [2021-11-06 22:05:29,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377300,377313] [2021-11-06 22:05:29,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377451,377464] [2021-11-06 22:05:29,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377603,377616] [2021-11-06 22:05:29,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377752,377765] [2021-11-06 22:05:29,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[377900,377913] [2021-11-06 22:05:29,648 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378057,378070] [2021-11-06 22:05:29,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378206,378219] [2021-11-06 22:05:29,649 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378362,378375] [2021-11-06 22:05:29,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378515,378528] [2021-11-06 22:05:29,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378661,378674] [2021-11-06 22:05:29,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378804,378817] [2021-11-06 22:05:29,650 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[378956,378969] [2021-11-06 22:05:29,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379102,379115] [2021-11-06 22:05:29,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379247,379260] [2021-11-06 22:05:29,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379401,379414] [2021-11-06 22:05:29,651 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379552,379565] [2021-11-06 22:05:29,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379707,379720] [2021-11-06 22:05:29,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[379859,379872] [2021-11-06 22:05:29,652 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380014,380027] [2021-11-06 22:05:29,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380178,380191] [2021-11-06 22:05:29,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380334,380347] [2021-11-06 22:05:29,653 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380498,380511] [2021-11-06 22:05:29,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380640,380653] [2021-11-06 22:05:29,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380798,380811] [2021-11-06 22:05:29,654 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[380965,380978] [2021-11-06 22:05:29,655 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381124,381137] [2021-11-06 22:05:29,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381283,381296] [2021-11-06 22:05:29,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381432,381445] [2021-11-06 22:05:29,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381579,381592] [2021-11-06 22:05:29,656 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381718,381731] [2021-11-06 22:05:29,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[381881,381894] [2021-11-06 22:05:29,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382047,382060] [2021-11-06 22:05:29,657 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382211,382224] [2021-11-06 22:05:29,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382376,382389] [2021-11-06 22:05:29,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382541,382554] [2021-11-06 22:05:29,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382707,382720] [2021-11-06 22:05:29,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[382872,382885] [2021-11-06 22:05:29,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383039,383052] [2021-11-06 22:05:29,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383199,383212] [2021-11-06 22:05:29,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383361,383374] [2021-11-06 22:05:29,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383520,383533] [2021-11-06 22:05:29,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383666,383679] [2021-11-06 22:05:29,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383809,383822] [2021-11-06 22:05:29,663 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[383953,383966] [2021-11-06 22:05:29,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384096,384109] [2021-11-06 22:05:29,667 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384240,384253] [2021-11-06 22:05:29,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384381,384394] [2021-11-06 22:05:29,668 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384519,384532] [2021-11-06 22:05:29,669 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384677,384690] [2021-11-06 22:05:29,670 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384836,384849] [2021-11-06 22:05:29,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[384992,385005] [2021-11-06 22:05:29,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385141,385154] [2021-11-06 22:05:29,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385293,385306] [2021-11-06 22:05:29,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385444,385457] [2021-11-06 22:05:29,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385593,385606] [2021-11-06 22:05:29,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385745,385758] [2021-11-06 22:05:29,674 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[385893,385906] [2021-11-06 22:05:29,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386046,386059] [2021-11-06 22:05:29,675 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386197,386210] [2021-11-06 22:05:29,679 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386347,386360] [2021-11-06 22:05:29,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386494,386507] [2021-11-06 22:05:29,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386645,386658] [2021-11-06 22:05:29,680 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386796,386809] [2021-11-06 22:05:29,681 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[386944,386957] [2021-11-06 22:05:29,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387110,387123] [2021-11-06 22:05:29,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387279,387292] [2021-11-06 22:05:29,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387446,387459] [2021-11-06 22:05:29,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387614,387627] [2021-11-06 22:05:29,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387764,387777] [2021-11-06 22:05:29,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[387911,387924] [2021-11-06 22:05:29,683 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388072,388085] [2021-11-06 22:05:29,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388242,388255] [2021-11-06 22:05:29,684 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i[388404,388417] [2021-11-06 22:05:29,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:05:29,855 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:05:29,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29 WrapperNode [2021-11-06 22:05:29,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:05:29,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:05:29,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:05:29,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:05:29,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:29,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:30,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:05:30,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:05:30,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:05:30,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:05:30,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:30,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:31,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:31,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:31,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:32,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:32,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:32,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:05:32,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:05:32,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:05:32,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:05:32,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (1/1) ... [2021-11-06 22:05:32,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:05:32,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:05:32,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-06 22:05:32,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-06 22:05:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2021-11-06 22:05:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2021-11-06 22:05:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_5_23 [2021-11-06 22:05:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_5_23 [2021-11-06 22:05:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:05:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:05:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2021-11-06 22:05:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-06 22:05:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:05:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 22:05:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2021-11-06 22:05:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2021-11-06 22:05:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_fb_ops_dummy_resourceless_instance_5 [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:05:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-06 22:05:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 22:05:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2021-11-06 22:05:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer_103 [2021-11-06 22:05:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer_103 [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:05:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2021-11-06 22:05:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2021-11-06 22:05:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_2 [2021-11-06 22:05:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_2 [2021-11-06 22:05:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_framebuffer [2021-11-06 22:05:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_framebuffer [2021-11-06 22:05:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-06 22:05:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:06:30,816 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L8475: #t~ret1141 := main_#res; [2021-11-06 22:06:30,817 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_14_returnLabel: main_#res := 0; [2021-11-06 22:06:30,818 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 22:06:30,850 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:06:30,850 INFO L299 CfgBuilder]: Removed 8992 assume(true) statements. [2021-11-06 22:06:30,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:30 BoogieIcfgContainer [2021-11-06 22:06:30,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:06:30,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:06:30,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:06:30,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:06:30,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:26" (1/3) ... [2021-11-06 22:06:30,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f5bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:30, skipping insertion in model container [2021-11-06 22:06:30,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:29" (2/3) ... [2021-11-06 22:06:30,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9f5bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:30, skipping insertion in model container [2021-11-06 22:06:30,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:30" (3/3) ... [2021-11-06 22:06:30,867 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--udlfb.ko.cil.i [2021-11-06 22:06:30,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:06:30,870 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 375 error locations. [2021-11-06 22:06:30,925 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:06:30,934 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-06 22:06:30,935 INFO L340 AbstractCegarLoop]: Starting to check reachability of 375 error locations. [2021-11-06 22:06:31,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 8185 states, 7778 states have (on average 1.349318590897403) internal successors, (10495), 8156 states have internal predecessors, (10495), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-06 22:06:31,044 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:31,044 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:31,045 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:31,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1733774698, now seen corresponding path program 1 times [2021-11-06 22:06:31,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:31,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256403767] [2021-11-06 22:06:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:31,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:31,571 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:31,571 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256403767] [2021-11-06 22:06:31,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256403767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:31,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:31,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:31,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193875262] [2021-11-06 22:06:31,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:31,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:31,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:31,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:31,601 INFO L87 Difference]: Start difference. First operand has 8185 states, 7778 states have (on average 1.349318590897403) internal successors, (10495), 8156 states have internal predecessors, (10495), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:31,893 INFO L93 Difference]: Finished difference Result 16296 states and 20992 transitions. [2021-11-06 22:06:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:31,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-06 22:06:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:31,935 INFO L225 Difference]: With dead ends: 16296 [2021-11-06 22:06:31,935 INFO L226 Difference]: Without dead ends: 7834 [2021-11-06 22:06:31,961 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7834 states. [2021-11-06 22:06:32,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7834 to 7834. [2021-11-06 22:06:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7834 states, 7429 states have (on average 1.2540045766590389) internal successors, (9316), 7805 states have internal predecessors, (9316), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7834 states to 7834 states and 9354 transitions. [2021-11-06 22:06:32,188 INFO L78 Accepts]: Start accepts. Automaton has 7834 states and 9354 transitions. Word has length 29 [2021-11-06 22:06:32,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:32,188 INFO L470 AbstractCegarLoop]: Abstraction has 7834 states and 9354 transitions. [2021-11-06 22:06:32,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 7834 states and 9354 transitions. [2021-11-06 22:06:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-06 22:06:32,190 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:32,190 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:32,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:06:32,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:32,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash 290420378, now seen corresponding path program 1 times [2021-11-06 22:06:32,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:32,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501108672] [2021-11-06 22:06:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:32,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:32,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:32,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:32,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501108672] [2021-11-06 22:06:32,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501108672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:32,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:32,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:32,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378908129] [2021-11-06 22:06:32,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:32,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:32,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:32,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:32,331 INFO L87 Difference]: Start difference. First operand 7834 states and 9354 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:32,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:32,481 INFO L93 Difference]: Finished difference Result 7834 states and 9354 transitions. [2021-11-06 22:06:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:32,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-06 22:06:32,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:32,506 INFO L225 Difference]: With dead ends: 7834 [2021-11-06 22:06:32,506 INFO L226 Difference]: Without dead ends: 7830 [2021-11-06 22:06:32,510 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:32,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7830 states. [2021-11-06 22:06:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7830 to 7830. [2021-11-06 22:06:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7830 states, 7427 states have (on average 1.253803689241955) internal successors, (9312), 7801 states have internal predecessors, (9312), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7830 states to 7830 states and 9350 transitions. [2021-11-06 22:06:32,707 INFO L78 Accepts]: Start accepts. Automaton has 7830 states and 9350 transitions. Word has length 31 [2021-11-06 22:06:32,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:32,707 INFO L470 AbstractCegarLoop]: Abstraction has 7830 states and 9350 transitions. [2021-11-06 22:06:32,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 7830 states and 9350 transitions. [2021-11-06 22:06:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-06 22:06:32,709 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:32,709 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:32,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:06:32,709 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:32,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:32,710 INFO L85 PathProgramCache]: Analyzing trace with hash -78296322, now seen corresponding path program 1 times [2021-11-06 22:06:32,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:32,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808935338] [2021-11-06 22:06:32,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:32,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:32,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:32,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:32,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808935338] [2021-11-06 22:06:32,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808935338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:32,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:32,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:32,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489553434] [2021-11-06 22:06:32,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:32,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:32,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:32,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:32,868 INFO L87 Difference]: Start difference. First operand 7830 states and 9350 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:32,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:32,995 INFO L93 Difference]: Finished difference Result 7830 states and 9350 transitions. [2021-11-06 22:06:32,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:32,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-06 22:06:32,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:33,019 INFO L225 Difference]: With dead ends: 7830 [2021-11-06 22:06:33,020 INFO L226 Difference]: Without dead ends: 7826 [2021-11-06 22:06:33,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:33,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7826 states. [2021-11-06 22:06:33,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7826 to 7826. [2021-11-06 22:06:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7826 states, 7425 states have (on average 1.2536026936026936) internal successors, (9308), 7797 states have internal predecessors, (9308), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 9346 transitions. [2021-11-06 22:06:33,354 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 9346 transitions. Word has length 33 [2021-11-06 22:06:33,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:33,354 INFO L470 AbstractCegarLoop]: Abstraction has 7826 states and 9346 transitions. [2021-11-06 22:06:33,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 9346 transitions. [2021-11-06 22:06:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-06 22:06:33,360 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:33,361 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:33,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 22:06:33,361 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:33,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2067240898, now seen corresponding path program 1 times [2021-11-06 22:06:33,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:33,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710663336] [2021-11-06 22:06:33,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:33,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:33,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:33,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710663336] [2021-11-06 22:06:33,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710663336] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:33,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:33,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:33,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020632760] [2021-11-06 22:06:33,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:33,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:33,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:33,527 INFO L87 Difference]: Start difference. First operand 7826 states and 9346 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:33,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:33,679 INFO L93 Difference]: Finished difference Result 7826 states and 9346 transitions. [2021-11-06 22:06:33,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:33,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-06 22:06:33,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:33,712 INFO L225 Difference]: With dead ends: 7826 [2021-11-06 22:06:33,713 INFO L226 Difference]: Without dead ends: 7822 [2021-11-06 22:06:33,717 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7822 states. [2021-11-06 22:06:33,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7822 to 7822. [2021-11-06 22:06:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7822 states, 7423 states have (on average 1.253401589653779) internal successors, (9304), 7793 states have internal predecessors, (9304), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7822 states to 7822 states and 9342 transitions. [2021-11-06 22:06:33,907 INFO L78 Accepts]: Start accepts. Automaton has 7822 states and 9342 transitions. Word has length 35 [2021-11-06 22:06:33,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:33,907 INFO L470 AbstractCegarLoop]: Abstraction has 7822 states and 9342 transitions. [2021-11-06 22:06:33,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7822 states and 9342 transitions. [2021-11-06 22:06:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-06 22:06:33,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:33,908 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:33,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 22:06:33,908 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:33,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1950759706, now seen corresponding path program 1 times [2021-11-06 22:06:33,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:33,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518526480] [2021-11-06 22:06:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:33,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:34,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:34,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518526480] [2021-11-06 22:06:34,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518526480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:34,018 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:34,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:34,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700309118] [2021-11-06 22:06:34,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:34,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:34,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:34,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:34,020 INFO L87 Difference]: Start difference. First operand 7822 states and 9342 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:34,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:34,169 INFO L93 Difference]: Finished difference Result 7822 states and 9342 transitions. [2021-11-06 22:06:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:34,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-06 22:06:34,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:34,185 INFO L225 Difference]: With dead ends: 7822 [2021-11-06 22:06:34,185 INFO L226 Difference]: Without dead ends: 7818 [2021-11-06 22:06:34,188 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7818 states. [2021-11-06 22:06:34,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7818 to 7818. [2021-11-06 22:06:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7818 states, 7421 states have (on average 1.2532003773076406) internal successors, (9300), 7789 states have internal predecessors, (9300), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7818 states to 7818 states and 9338 transitions. [2021-11-06 22:06:34,364 INFO L78 Accepts]: Start accepts. Automaton has 7818 states and 9338 transitions. Word has length 37 [2021-11-06 22:06:34,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:34,364 INFO L470 AbstractCegarLoop]: Abstraction has 7818 states and 9338 transitions. [2021-11-06 22:06:34,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7818 states and 9338 transitions. [2021-11-06 22:06:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-06 22:06:34,365 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:34,365 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:34,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 22:06:34,365 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:34,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:34,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2073740694, now seen corresponding path program 1 times [2021-11-06 22:06:34,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:34,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350692213] [2021-11-06 22:06:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:34,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:34,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:34,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350692213] [2021-11-06 22:06:34,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350692213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:34,469 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:34,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:34,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257313860] [2021-11-06 22:06:34,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:34,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:34,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:34,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:34,470 INFO L87 Difference]: Start difference. First operand 7818 states and 9338 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:34,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:34,634 INFO L93 Difference]: Finished difference Result 7818 states and 9338 transitions. [2021-11-06 22:06:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:34,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-06 22:06:34,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:34,653 INFO L225 Difference]: With dead ends: 7818 [2021-11-06 22:06:34,653 INFO L226 Difference]: Without dead ends: 7814 [2021-11-06 22:06:34,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7814 states. [2021-11-06 22:06:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7814 to 7814. [2021-11-06 22:06:34,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7814 states, 7419 states have (on average 1.252999056476614) internal successors, (9296), 7785 states have internal predecessors, (9296), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7814 states to 7814 states and 9334 transitions. [2021-11-06 22:06:34,982 INFO L78 Accepts]: Start accepts. Automaton has 7814 states and 9334 transitions. Word has length 39 [2021-11-06 22:06:34,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:34,982 INFO L470 AbstractCegarLoop]: Abstraction has 7814 states and 9334 transitions. [2021-11-06 22:06:34,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 7814 states and 9334 transitions. [2021-11-06 22:06:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-06 22:06:34,983 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:34,983 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:34,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 22:06:34,983 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:34,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash 614478, now seen corresponding path program 1 times [2021-11-06 22:06:34,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:34,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109119154] [2021-11-06 22:06:34,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:34,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:35,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:35,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109119154] [2021-11-06 22:06:35,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109119154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:35,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:35,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:35,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433149319] [2021-11-06 22:06:35,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:35,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:35,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:35,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:35,113 INFO L87 Difference]: Start difference. First operand 7814 states and 9334 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:35,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:35,263 INFO L93 Difference]: Finished difference Result 7814 states and 9334 transitions. [2021-11-06 22:06:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:35,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-06 22:06:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:35,279 INFO L225 Difference]: With dead ends: 7814 [2021-11-06 22:06:35,279 INFO L226 Difference]: Without dead ends: 7810 [2021-11-06 22:06:35,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:35,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7810 states. [2021-11-06 22:06:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7810 to 7810. [2021-11-06 22:06:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7810 states, 7417 states have (on average 1.2527976270729406) internal successors, (9292), 7781 states have internal predecessors, (9292), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7810 states to 7810 states and 9330 transitions. [2021-11-06 22:06:35,477 INFO L78 Accepts]: Start accepts. Automaton has 7810 states and 9330 transitions. Word has length 41 [2021-11-06 22:06:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:35,477 INFO L470 AbstractCegarLoop]: Abstraction has 7810 states and 9330 transitions. [2021-11-06 22:06:35,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7810 states and 9330 transitions. [2021-11-06 22:06:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 22:06:35,478 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:35,478 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:35,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 22:06:35,479 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:35,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:35,479 INFO L85 PathProgramCache]: Analyzing trace with hash 591109778, now seen corresponding path program 1 times [2021-11-06 22:06:35,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:35,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383097504] [2021-11-06 22:06:35,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:35,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:35,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:35,595 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383097504] [2021-11-06 22:06:35,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383097504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:35,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:35,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:35,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157819238] [2021-11-06 22:06:35,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:35,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:35,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:35,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:35,596 INFO L87 Difference]: Start difference. First operand 7810 states and 9330 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:35,754 INFO L93 Difference]: Finished difference Result 7810 states and 9330 transitions. [2021-11-06 22:06:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-06 22:06:35,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:35,769 INFO L225 Difference]: With dead ends: 7810 [2021-11-06 22:06:35,769 INFO L226 Difference]: Without dead ends: 7806 [2021-11-06 22:06:35,773 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7806 states. [2021-11-06 22:06:36,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7806 to 7806. [2021-11-06 22:06:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7806 states, 7415 states have (on average 1.252596089008766) internal successors, (9288), 7777 states have internal predecessors, (9288), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7806 states to 7806 states and 9326 transitions. [2021-11-06 22:06:36,038 INFO L78 Accepts]: Start accepts. Automaton has 7806 states and 9326 transitions. Word has length 43 [2021-11-06 22:06:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:36,039 INFO L470 AbstractCegarLoop]: Abstraction has 7806 states and 9326 transitions. [2021-11-06 22:06:36,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 7806 states and 9326 transitions. [2021-11-06 22:06:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 22:06:36,039 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:36,039 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:36,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 22:06:36,040 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:36,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1121409365, now seen corresponding path program 1 times [2021-11-06 22:06:36,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:36,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930436608] [2021-11-06 22:06:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:36,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:36,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:36,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930436608] [2021-11-06 22:06:36,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930436608] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:36,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:36,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:36,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19254542] [2021-11-06 22:06:36,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:36,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:36,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:36,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:36,146 INFO L87 Difference]: Start difference. First operand 7806 states and 9326 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:36,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:36,310 INFO L93 Difference]: Finished difference Result 7806 states and 9326 transitions. [2021-11-06 22:06:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:36,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-06 22:06:36,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:36,326 INFO L225 Difference]: With dead ends: 7806 [2021-11-06 22:06:36,327 INFO L226 Difference]: Without dead ends: 7802 [2021-11-06 22:06:36,330 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:36,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7802 states. [2021-11-06 22:06:36,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7802 to 7802. [2021-11-06 22:06:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7802 states, 7413 states have (on average 1.252394442196142) internal successors, (9284), 7773 states have internal predecessors, (9284), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 9322 transitions. [2021-11-06 22:06:36,538 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 9322 transitions. Word has length 45 [2021-11-06 22:06:36,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:36,538 INFO L470 AbstractCegarLoop]: Abstraction has 7802 states and 9322 transitions. [2021-11-06 22:06:36,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 9322 transitions. [2021-11-06 22:06:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-06 22:06:36,539 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:36,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:36,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 22:06:36,539 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:36,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:36,540 INFO L85 PathProgramCache]: Analyzing trace with hash -361794439, now seen corresponding path program 1 times [2021-11-06 22:06:36,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:36,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798130778] [2021-11-06 22:06:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:36,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:36,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:36,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798130778] [2021-11-06 22:06:36,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798130778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:36,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:36,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:36,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339366362] [2021-11-06 22:06:36,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:36,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:36,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:36,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:36,645 INFO L87 Difference]: Start difference. First operand 7802 states and 9322 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:36,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:36,817 INFO L93 Difference]: Finished difference Result 7802 states and 9322 transitions. [2021-11-06 22:06:36,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:36,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-06 22:06:36,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:36,833 INFO L225 Difference]: With dead ends: 7802 [2021-11-06 22:06:36,833 INFO L226 Difference]: Without dead ends: 7798 [2021-11-06 22:06:36,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7798 states. [2021-11-06 22:06:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7798 to 7798. [2021-11-06 22:06:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7798 states, 7411 states have (on average 1.2521926865470248) internal successors, (9280), 7769 states have internal predecessors, (9280), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7798 states to 7798 states and 9318 transitions. [2021-11-06 22:06:37,133 INFO L78 Accepts]: Start accepts. Automaton has 7798 states and 9318 transitions. Word has length 47 [2021-11-06 22:06:37,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:37,133 INFO L470 AbstractCegarLoop]: Abstraction has 7798 states and 9318 transitions. [2021-11-06 22:06:37,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 7798 states and 9318 transitions. [2021-11-06 22:06:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-06 22:06:37,135 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:37,135 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:37,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 22:06:37,136 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:37,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:37,136 INFO L85 PathProgramCache]: Analyzing trace with hash 208492541, now seen corresponding path program 1 times [2021-11-06 22:06:37,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:37,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654721141] [2021-11-06 22:06:37,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:37,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:37,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:37,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654721141] [2021-11-06 22:06:37,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654721141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:37,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:37,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:37,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316503292] [2021-11-06 22:06:37,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:37,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:37,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:37,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:37,277 INFO L87 Difference]: Start difference. First operand 7798 states and 9318 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:37,515 INFO L93 Difference]: Finished difference Result 7798 states and 9318 transitions. [2021-11-06 22:06:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:37,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-06 22:06:37,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:37,538 INFO L225 Difference]: With dead ends: 7798 [2021-11-06 22:06:37,538 INFO L226 Difference]: Without dead ends: 7794 [2021-11-06 22:06:37,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:37,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7794 states. [2021-11-06 22:06:37,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7794 to 7794. [2021-11-06 22:06:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7794 states, 7409 states have (on average 1.2519908219732758) internal successors, (9276), 7765 states have internal predecessors, (9276), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:37,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7794 states to 7794 states and 9314 transitions. [2021-11-06 22:06:37,777 INFO L78 Accepts]: Start accepts. Automaton has 7794 states and 9314 transitions. Word has length 49 [2021-11-06 22:06:37,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:37,777 INFO L470 AbstractCegarLoop]: Abstraction has 7794 states and 9314 transitions. [2021-11-06 22:06:37,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7794 states and 9314 transitions. [2021-11-06 22:06:37,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-06 22:06:37,778 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:37,778 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:37,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 22:06:37,779 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:37,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1501533215, now seen corresponding path program 1 times [2021-11-06 22:06:37,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:37,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490778265] [2021-11-06 22:06:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:37,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:37,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:37,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:37,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490778265] [2021-11-06 22:06:37,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490778265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:37,882 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:37,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:37,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909507134] [2021-11-06 22:06:37,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:37,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:37,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:37,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:37,883 INFO L87 Difference]: Start difference. First operand 7794 states and 9314 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:38,136 INFO L93 Difference]: Finished difference Result 7794 states and 9314 transitions. [2021-11-06 22:06:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:38,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-06 22:06:38,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:38,149 INFO L225 Difference]: With dead ends: 7794 [2021-11-06 22:06:38,149 INFO L226 Difference]: Without dead ends: 7790 [2021-11-06 22:06:38,151 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:38,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2021-11-06 22:06:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7790. [2021-11-06 22:06:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7790 states, 7407 states have (on average 1.2517888483866613) internal successors, (9272), 7761 states have internal predecessors, (9272), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7790 states to 7790 states and 9310 transitions. [2021-11-06 22:06:38,393 INFO L78 Accepts]: Start accepts. Automaton has 7790 states and 9310 transitions. Word has length 51 [2021-11-06 22:06:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:38,393 INFO L470 AbstractCegarLoop]: Abstraction has 7790 states and 9310 transitions. [2021-11-06 22:06:38,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7790 states and 9310 transitions. [2021-11-06 22:06:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-06 22:06:38,394 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:38,394 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:38,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-06 22:06:38,395 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:38,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:38,395 INFO L85 PathProgramCache]: Analyzing trace with hash 136189989, now seen corresponding path program 1 times [2021-11-06 22:06:38,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:38,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101222913] [2021-11-06 22:06:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:38,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:38,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:38,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101222913] [2021-11-06 22:06:38,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101222913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:38,511 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:38,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:38,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107407135] [2021-11-06 22:06:38,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:38,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:38,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:38,512 INFO L87 Difference]: Start difference. First operand 7790 states and 9310 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:38,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:38,733 INFO L93 Difference]: Finished difference Result 7790 states and 9310 transitions. [2021-11-06 22:06:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:38,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-06 22:06:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:38,747 INFO L225 Difference]: With dead ends: 7790 [2021-11-06 22:06:38,748 INFO L226 Difference]: Without dead ends: 7786 [2021-11-06 22:06:38,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7786 states. [2021-11-06 22:06:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7786 to 7786. [2021-11-06 22:06:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7786 states, 7405 states have (on average 1.2515867656988522) internal successors, (9268), 7757 states have internal predecessors, (9268), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7786 states to 7786 states and 9306 transitions. [2021-11-06 22:06:38,993 INFO L78 Accepts]: Start accepts. Automaton has 7786 states and 9306 transitions. Word has length 53 [2021-11-06 22:06:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:38,993 INFO L470 AbstractCegarLoop]: Abstraction has 7786 states and 9306 transitions. [2021-11-06 22:06:38,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7786 states and 9306 transitions. [2021-11-06 22:06:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-06 22:06:38,994 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:38,994 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:38,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-06 22:06:38,995 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1677329609, now seen corresponding path program 1 times [2021-11-06 22:06:38,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:38,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361752895] [2021-11-06 22:06:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:38,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:39,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:39,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361752895] [2021-11-06 22:06:39,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361752895] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:39,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:39,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:06:39,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852513747] [2021-11-06 22:06:39,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:06:39,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:39,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:06:39,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:39,196 INFO L87 Difference]: Start difference. First operand 7786 states and 9306 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:40,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:40,015 INFO L93 Difference]: Finished difference Result 15974 states and 19059 transitions. [2021-11-06 22:06:40,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 22:06:40,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-06 22:06:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:40,032 INFO L225 Difference]: With dead ends: 15974 [2021-11-06 22:06:40,033 INFO L226 Difference]: Without dead ends: 8241 [2021-11-06 22:06:40,047 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-06 22:06:40,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8241 states. [2021-11-06 22:06:40,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8241 to 7786. [2021-11-06 22:06:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7786 states, 7405 states have (on average 1.2469952734638758) internal successors, (9234), 7757 states have internal predecessors, (9234), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7786 states to 7786 states and 9272 transitions. [2021-11-06 22:06:40,326 INFO L78 Accepts]: Start accepts. Automaton has 7786 states and 9272 transitions. Word has length 54 [2021-11-06 22:06:40,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:40,326 INFO L470 AbstractCegarLoop]: Abstraction has 7786 states and 9272 transitions. [2021-11-06 22:06:40,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 7786 states and 9272 transitions. [2021-11-06 22:06:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-06 22:06:40,327 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:40,327 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:40,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-06 22:06:40,328 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:40,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:40,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1677270027, now seen corresponding path program 1 times [2021-11-06 22:06:40,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:40,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161463596] [2021-11-06 22:06:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:40,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:40,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:40,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161463596] [2021-11-06 22:06:40,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161463596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:40,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:40,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:06:40,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35643491] [2021-11-06 22:06:40,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:40,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:40,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:40,439 INFO L87 Difference]: Start difference. First operand 7786 states and 9272 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:40,984 INFO L93 Difference]: Finished difference Result 8253 states and 9789 transitions. [2021-11-06 22:06:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:06:40,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-06 22:06:40,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:41,000 INFO L225 Difference]: With dead ends: 8253 [2021-11-06 22:06:41,000 INFO L226 Difference]: Without dead ends: 8185 [2021-11-06 22:06:41,006 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:41,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8185 states. [2021-11-06 22:06:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8185 to 7718. [2021-11-06 22:06:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7718 states, 7371 states have (on average 1.2435219101885768) internal successors, (9166), 7689 states have internal predecessors, (9166), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7718 states to 7718 states and 9204 transitions. [2021-11-06 22:06:41,313 INFO L78 Accepts]: Start accepts. Automaton has 7718 states and 9204 transitions. Word has length 54 [2021-11-06 22:06:41,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:41,313 INFO L470 AbstractCegarLoop]: Abstraction has 7718 states and 9204 transitions. [2021-11-06 22:06:41,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 7718 states and 9204 transitions. [2021-11-06 22:06:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-06 22:06:41,314 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:41,314 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:41,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-06 22:06:41,314 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:41,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2030159049, now seen corresponding path program 1 times [2021-11-06 22:06:41,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:41,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198259499] [2021-11-06 22:06:41,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:41,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:41,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:41,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198259499] [2021-11-06 22:06:41,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198259499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:41,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:41,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:41,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72303358] [2021-11-06 22:06:41,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:41,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:41,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:41,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:41,436 INFO L87 Difference]: Start difference. First operand 7718 states and 9204 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:41,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:41,735 INFO L93 Difference]: Finished difference Result 7718 states and 9204 transitions. [2021-11-06 22:06:41,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:41,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-06 22:06:41,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:41,746 INFO L225 Difference]: With dead ends: 7718 [2021-11-06 22:06:41,746 INFO L226 Difference]: Without dead ends: 7714 [2021-11-06 22:06:41,749 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7714 states. [2021-11-06 22:06:42,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7714 to 7714. [2021-11-06 22:06:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7714 states, 7369 states have (on average 1.2433165965531279) internal successors, (9162), 7685 states have internal predecessors, (9162), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7714 states to 7714 states and 9200 transitions. [2021-11-06 22:06:42,022 INFO L78 Accepts]: Start accepts. Automaton has 7714 states and 9200 transitions. Word has length 55 [2021-11-06 22:06:42,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:42,023 INFO L470 AbstractCegarLoop]: Abstraction has 7714 states and 9200 transitions. [2021-11-06 22:06:42,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 7714 states and 9200 transitions. [2021-11-06 22:06:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 22:06:42,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:42,024 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:42,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-06 22:06:42,024 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:42,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1068292557, now seen corresponding path program 1 times [2021-11-06 22:06:42,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:42,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855271527] [2021-11-06 22:06:42,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:42,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:42,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:42,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855271527] [2021-11-06 22:06:42,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855271527] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:42,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:42,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:42,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800760121] [2021-11-06 22:06:42,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:42,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:42,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:42,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:42,142 INFO L87 Difference]: Start difference. First operand 7714 states and 9200 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:42,441 INFO L93 Difference]: Finished difference Result 7714 states and 9200 transitions. [2021-11-06 22:06:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:42,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-06 22:06:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:42,455 INFO L225 Difference]: With dead ends: 7714 [2021-11-06 22:06:42,455 INFO L226 Difference]: Without dead ends: 7710 [2021-11-06 22:06:42,459 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:42,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7710 states. [2021-11-06 22:06:42,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7710 to 7710. [2021-11-06 22:06:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7710 states, 7367 states have (on average 1.2431111714402063) internal successors, (9158), 7681 states have internal predecessors, (9158), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7710 states to 7710 states and 9196 transitions. [2021-11-06 22:06:42,829 INFO L78 Accepts]: Start accepts. Automaton has 7710 states and 9196 transitions. Word has length 57 [2021-11-06 22:06:42,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:42,829 INFO L470 AbstractCegarLoop]: Abstraction has 7710 states and 9196 transitions. [2021-11-06 22:06:42,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7710 states and 9196 transitions. [2021-11-06 22:06:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 22:06:42,830 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:42,830 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:42,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-06 22:06:42,831 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:42,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash 111712908, now seen corresponding path program 1 times [2021-11-06 22:06:42,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:42,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475650366] [2021-11-06 22:06:42,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:42,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:42,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:42,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475650366] [2021-11-06 22:06:42,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475650366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:42,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:42,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:06:42,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428485509] [2021-11-06 22:06:42,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:06:42,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:42,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:06:42,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:06:42,949 INFO L87 Difference]: Start difference. First operand 7710 states and 9196 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:43,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:43,383 INFO L93 Difference]: Finished difference Result 15198 states and 18184 transitions. [2021-11-06 22:06:43,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:06:43,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-06 22:06:43,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:43,401 INFO L225 Difference]: With dead ends: 15198 [2021-11-06 22:06:43,402 INFO L226 Difference]: Without dead ends: 7545 [2021-11-06 22:06:43,418 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:06:43,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7545 states. [2021-11-06 22:06:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7545 to 7545. [2021-11-06 22:06:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7545 states, 7257 states have (on average 1.231638418079096) internal successors, (8938), 7516 states have internal predecessors, (8938), 19 states have call successors, (19), 13 states have call predecessors, (19), 13 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2021-11-06 22:06:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7545 states to 7545 states and 8976 transitions. [2021-11-06 22:06:43,733 INFO L78 Accepts]: Start accepts. Automaton has 7545 states and 8976 transitions. Word has length 57 [2021-11-06 22:06:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:43,733 INFO L470 AbstractCegarLoop]: Abstraction has 7545 states and 8976 transitions. [2021-11-06 22:06:43,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 7545 states and 8976 transitions. [2021-11-06 22:06:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-06 22:06:43,734 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:43,734 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:43,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-06 22:06:43,734 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:43,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:43,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1275993927, now seen corresponding path program 1 times [2021-11-06 22:06:43,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:43,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997237195] [2021-11-06 22:06:43,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:43,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:43,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:43,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997237195] [2021-11-06 22:06:43,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997237195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:43,881 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:43,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:43,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050247835] [2021-11-06 22:06:43,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:43,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:43,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:43,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:43,883 INFO L87 Difference]: Start difference. First operand 7545 states and 8976 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:44,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:44,977 INFO L93 Difference]: Finished difference Result 20525 states and 24494 transitions. [2021-11-06 22:06:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:06:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-06 22:06:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:45,025 INFO L225 Difference]: With dead ends: 20525 [2021-11-06 22:06:45,025 INFO L226 Difference]: Without dead ends: 20517 [2021-11-06 22:06:45,035 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:45,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20517 states. [2021-11-06 22:06:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20517 to 14226. [2021-11-06 22:06:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14226 states, 13907 states have (on average 1.237578198029769) internal successors, (17211), 14169 states have internal predecessors, (17211), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (74), 34 states have call predecessors, (74), 37 states have call successors, (74) [2021-11-06 22:06:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14226 states to 14226 states and 17322 transitions. [2021-11-06 22:06:45,832 INFO L78 Accepts]: Start accepts. Automaton has 14226 states and 17322 transitions. Word has length 58 [2021-11-06 22:06:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:45,832 INFO L470 AbstractCegarLoop]: Abstraction has 14226 states and 17322 transitions. [2021-11-06 22:06:45,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 14226 states and 17322 transitions. [2021-11-06 22:06:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-06 22:06:45,833 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:45,833 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:45,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-06 22:06:45,834 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash 132562737, now seen corresponding path program 1 times [2021-11-06 22:06:45,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:45,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558400116] [2021-11-06 22:06:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:45,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:45,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:45,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558400116] [2021-11-06 22:06:45,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558400116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:45,969 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:45,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:45,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576192994] [2021-11-06 22:06:45,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:45,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:45,970 INFO L87 Difference]: Start difference. First operand 14226 states and 17322 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:46,593 INFO L93 Difference]: Finished difference Result 14226 states and 17322 transitions. [2021-11-06 22:06:46,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:46,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-06 22:06:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:46,622 INFO L225 Difference]: With dead ends: 14226 [2021-11-06 22:06:46,622 INFO L226 Difference]: Without dead ends: 14222 [2021-11-06 22:06:46,630 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14222 states. [2021-11-06 22:06:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14222 to 14222. [2021-11-06 22:06:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14222 states, 13905 states have (on average 1.2374685364976628) internal successors, (17207), 14165 states have internal predecessors, (17207), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (74), 34 states have call predecessors, (74), 37 states have call successors, (74) [2021-11-06 22:06:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14222 states to 14222 states and 17318 transitions. [2021-11-06 22:06:47,383 INFO L78 Accepts]: Start accepts. Automaton has 14222 states and 17318 transitions. Word has length 59 [2021-11-06 22:06:47,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:47,383 INFO L470 AbstractCegarLoop]: Abstraction has 14222 states and 17318 transitions. [2021-11-06 22:06:47,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 14222 states and 17318 transitions. [2021-11-06 22:06:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-06 22:06:47,384 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:47,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:47,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-06 22:06:47,384 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:47,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:47,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1455629067, now seen corresponding path program 1 times [2021-11-06 22:06:47,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:47,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763024010] [2021-11-06 22:06:47,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:47,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:47,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:47,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763024010] [2021-11-06 22:06:47,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763024010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:47,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:47,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:47,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449145496] [2021-11-06 22:06:47,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:47,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:47,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:47,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:47,492 INFO L87 Difference]: Start difference. First operand 14222 states and 17318 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:48,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:48,099 INFO L93 Difference]: Finished difference Result 14222 states and 17318 transitions. [2021-11-06 22:06:48,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:48,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-06 22:06:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:48,126 INFO L225 Difference]: With dead ends: 14222 [2021-11-06 22:06:48,126 INFO L226 Difference]: Without dead ends: 14218 [2021-11-06 22:06:48,134 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:48,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14218 states. [2021-11-06 22:06:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14218 to 14218. [2021-11-06 22:06:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14218 states, 13903 states have (on average 1.2373588434150902) internal successors, (17203), 14161 states have internal predecessors, (17203), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (74), 34 states have call predecessors, (74), 37 states have call successors, (74) [2021-11-06 22:06:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14218 states to 14218 states and 17314 transitions. [2021-11-06 22:06:48,934 INFO L78 Accepts]: Start accepts. Automaton has 14218 states and 17314 transitions. Word has length 61 [2021-11-06 22:06:48,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:48,934 INFO L470 AbstractCegarLoop]: Abstraction has 14218 states and 17314 transitions. [2021-11-06 22:06:48,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14218 states and 17314 transitions. [2021-11-06 22:06:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-06 22:06:48,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:48,935 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:48,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-06 22:06:48,935 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:48,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:48,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1300405017, now seen corresponding path program 1 times [2021-11-06 22:06:48,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:48,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977555654] [2021-11-06 22:06:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:48,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:49,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:49,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:49,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977555654] [2021-11-06 22:06:49,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977555654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:49,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:49,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:49,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860362379] [2021-11-06 22:06:49,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:49,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:49,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:49,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:49,040 INFO L87 Difference]: Start difference. First operand 14218 states and 17314 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:49,762 INFO L93 Difference]: Finished difference Result 14218 states and 17314 transitions. [2021-11-06 22:06:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:49,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-06 22:06:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:49,786 INFO L225 Difference]: With dead ends: 14218 [2021-11-06 22:06:49,786 INFO L226 Difference]: Without dead ends: 14214 [2021-11-06 22:06:49,792 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:49,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14214 states. [2021-11-06 22:06:50,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14214 to 14214. [2021-11-06 22:06:50,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14214 states, 13901 states have (on average 1.237249118768434) internal successors, (17199), 14157 states have internal predecessors, (17199), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (74), 34 states have call predecessors, (74), 37 states have call successors, (74) [2021-11-06 22:06:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14214 states to 14214 states and 17310 transitions. [2021-11-06 22:06:50,511 INFO L78 Accepts]: Start accepts. Automaton has 14214 states and 17310 transitions. Word has length 63 [2021-11-06 22:06:50,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:50,511 INFO L470 AbstractCegarLoop]: Abstraction has 14214 states and 17310 transitions. [2021-11-06 22:06:50,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:50,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14214 states and 17310 transitions. [2021-11-06 22:06:50,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-06 22:06:50,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:50,512 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:50,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-06 22:06:50,513 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:50,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:50,513 INFO L85 PathProgramCache]: Analyzing trace with hash -145661539, now seen corresponding path program 1 times [2021-11-06 22:06:50,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:50,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647180465] [2021-11-06 22:06:50,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:50,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:50,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:50,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647180465] [2021-11-06 22:06:50,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647180465] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:50,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:50,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:50,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209850730] [2021-11-06 22:06:50,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:50,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:50,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:50,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:50,614 INFO L87 Difference]: Start difference. First operand 14214 states and 17310 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:52,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:52,376 INFO L93 Difference]: Finished difference Result 28304 states and 34550 transitions. [2021-11-06 22:06:52,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 22:06:52,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-06 22:06:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:52,434 INFO L225 Difference]: With dead ends: 28304 [2021-11-06 22:06:52,434 INFO L226 Difference]: Without dead ends: 28300 [2021-11-06 22:06:52,451 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:52,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28300 states. [2021-11-06 22:06:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28300 to 27792. [2021-11-06 22:06:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27792 states, 27416 states have (on average 1.2396410854975197) internal successors, (33986), 27679 states have internal predecessors, (33986), 74 states have call successors, (74), 52 states have call predecessors, (74), 52 states have return successors, (222), 68 states have call predecessors, (222), 74 states have call successors, (222) [2021-11-06 22:06:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27792 states to 27792 states and 34282 transitions. [2021-11-06 22:06:53,958 INFO L78 Accepts]: Start accepts. Automaton has 27792 states and 34282 transitions. Word has length 65 [2021-11-06 22:06:53,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:53,958 INFO L470 AbstractCegarLoop]: Abstraction has 27792 states and 34282 transitions. [2021-11-06 22:06:53,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 27792 states and 34282 transitions. [2021-11-06 22:06:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-06 22:06:53,961 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:53,961 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:53,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-06 22:06:53,962 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:53,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:53,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1753782401, now seen corresponding path program 1 times [2021-11-06 22:06:53,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:53,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697502240] [2021-11-06 22:06:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:53,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:54,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:54,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697502240] [2021-11-06 22:06:54,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697502240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:54,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:54,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:54,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777501046] [2021-11-06 22:06:54,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:54,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:54,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:54,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:54,076 INFO L87 Difference]: Start difference. First operand 27792 states and 34282 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:55,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:06:55,512 INFO L93 Difference]: Finished difference Result 27792 states and 34282 transitions. [2021-11-06 22:06:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:06:55,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-06 22:06:55,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:06:55,561 INFO L225 Difference]: With dead ends: 27792 [2021-11-06 22:06:55,561 INFO L226 Difference]: Without dead ends: 27788 [2021-11-06 22:06:55,577 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:06:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27788 states. [2021-11-06 22:06:57,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27788 to 27788. [2021-11-06 22:06:57,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27788 states, 27414 states have (on average 1.2395856131903407) internal successors, (33982), 27675 states have internal predecessors, (33982), 74 states have call successors, (74), 52 states have call predecessors, (74), 52 states have return successors, (222), 68 states have call predecessors, (222), 74 states have call successors, (222) [2021-11-06 22:06:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27788 states to 27788 states and 34278 transitions. [2021-11-06 22:06:57,193 INFO L78 Accepts]: Start accepts. Automaton has 27788 states and 34278 transitions. Word has length 67 [2021-11-06 22:06:57,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:06:57,193 INFO L470 AbstractCegarLoop]: Abstraction has 27788 states and 34278 transitions. [2021-11-06 22:06:57,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:06:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 27788 states and 34278 transitions. [2021-11-06 22:06:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-06 22:06:57,194 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:06:57,195 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:06:57,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-06 22:06:57,195 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:06:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:06:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1758308293, now seen corresponding path program 1 times [2021-11-06 22:06:57,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:06:57,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159868375] [2021-11-06 22:06:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:06:57,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:06:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:06:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:06:57,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:06:57,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159868375] [2021-11-06 22:06:57,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159868375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:06:57,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:06:57,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:06:57,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091697068] [2021-11-06 22:06:57,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:06:57,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:06:57,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:06:57,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:06:57,302 INFO L87 Difference]: Start difference. First operand 27788 states and 34278 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:07:00,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:07:00,444 INFO L93 Difference]: Finished difference Result 55452 states and 68634 transitions. [2021-11-06 22:07:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:07:00,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-06 22:07:00,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:07:00,553 INFO L225 Difference]: With dead ends: 55452 [2021-11-06 22:07:00,553 INFO L226 Difference]: Without dead ends: 55341 [2021-11-06 22:07:00,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:07:00,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55341 states. [2021-11-06 22:07:03,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55341 to 54837. [2021-11-06 22:07:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54837 states, 54337 states have (on average 1.241088024734527) internal successors, (67437), 54612 states have internal predecessors, (67437), 148 states have call successors, (148), 104 states have call predecessors, (148), 104 states have return successors, (666), 136 states have call predecessors, (666), 148 states have call successors, (666) [2021-11-06 22:07:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54837 states to 54837 states and 68251 transitions. [2021-11-06 22:07:04,029 INFO L78 Accepts]: Start accepts. Automaton has 54837 states and 68251 transitions. Word has length 69 [2021-11-06 22:07:04,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:07:04,029 INFO L470 AbstractCegarLoop]: Abstraction has 54837 states and 68251 transitions. [2021-11-06 22:07:04,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:07:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 54837 states and 68251 transitions. [2021-11-06 22:07:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 22:07:04,030 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:07:04,030 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:07:04,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-06 22:07:04,030 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:07:04,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:07:04,031 INFO L85 PathProgramCache]: Analyzing trace with hash 509916117, now seen corresponding path program 1 times [2021-11-06 22:07:04,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:07:04,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661290280] [2021-11-06 22:07:04,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:07:04,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:07:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:07:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:07:04,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:07:04,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661290280] [2021-11-06 22:07:04,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661290280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:07:04,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:07:04,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:07:04,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914304086] [2021-11-06 22:07:04,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:07:04,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:07:04,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:07:04,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:07:04,130 INFO L87 Difference]: Start difference. First operand 54837 states and 68251 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:07:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:07:08,094 INFO L93 Difference]: Finished difference Result 109066 states and 135744 transitions. [2021-11-06 22:07:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:07:08,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-06 22:07:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:07:08,230 INFO L225 Difference]: With dead ends: 109066 [2021-11-06 22:07:08,230 INFO L226 Difference]: Without dead ends: 54827 [2021-11-06 22:07:08,351 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:07:08,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54827 states. [2021-11-06 22:07:11,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54827 to 54827. [2021-11-06 22:07:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54827 states, 54328 states have (on average 1.2408334560447651) internal successors, (67412), 54602 states have internal predecessors, (67412), 148 states have call successors, (148), 104 states have call predecessors, (148), 104 states have return successors, (666), 136 states have call predecessors, (666), 148 states have call successors, (666) [2021-11-06 22:07:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54827 states to 54827 states and 68226 transitions. [2021-11-06 22:07:12,161 INFO L78 Accepts]: Start accepts. Automaton has 54827 states and 68226 transitions. Word has length 71 [2021-11-06 22:07:12,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:07:12,161 INFO L470 AbstractCegarLoop]: Abstraction has 54827 states and 68226 transitions. [2021-11-06 22:07:12,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:07:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 54827 states and 68226 transitions. [2021-11-06 22:07:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-06 22:07:12,162 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:07:12,162 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:07:12,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-06 22:07:12,162 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [dlfb_init_framebuffer_workErr0ASSERT_VIOLATIONERROR_FUNCTION, dlfb_init_framebuffer_workErr1ASSERT_VIOLATIONERROR_FUNCTION (and 373 more)] === [2021-11-06 22:07:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:07:12,163 INFO L85 PathProgramCache]: Analyzing trace with hash -53468570, now seen corresponding path program 1 times [2021-11-06 22:07:12,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:07:12,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404902485] [2021-11-06 22:07:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:07:12,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:07:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:07:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:07:12,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:07:12,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404902485] [2021-11-06 22:07:12,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404902485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:07:12,266 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:07:12,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 22:07:12,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441963254] [2021-11-06 22:07:12,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 22:07:12,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:07:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 22:07:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:07:12,267 INFO L87 Difference]: Start difference. First operand 54827 states and 68226 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 22:07:16,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:07:16,008 INFO L93 Difference]: Finished difference Result 109069 states and 135720 transitions. [2021-11-06 22:07:16,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:07:16,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-06 22:07:16,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:07:16,122 INFO L225 Difference]: With dead ends: 109069 [2021-11-06 22:07:16,122 INFO L226 Difference]: Without dead ends: 54864 [2021-11-06 22:07:16,221 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-06 22:07:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54864 states.