./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--net--ppp--ppp_generic.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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--net--ppp--ppp_generic.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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-03 04:06:30,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:06:30,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:06:30,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:06:30,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:06:30,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:06:30,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:06:30,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:06:30,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:06:30,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:06:30,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:06:30,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:06:30,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:06:30,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:06:30,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:06:30,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:06:30,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:06:30,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:06:30,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:06:30,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:06:30,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:06:30,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:06:30,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:06:30,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:06:30,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:06:30,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:06:30,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:06:30,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:06:30,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:06:30,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:06:30,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:06:30,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:06:30,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:06:30,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:06:30,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:06:30,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:06:30,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:06:30,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:06:30,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:06:30,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:06:30,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:06:30,459 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-03 04:06:30,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:06:30,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:06:30,481 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-03 04:06:30,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-03 04:06:30,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 04:06:30,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 04:06:30,483 INFO L138 SettingsManager]: * Use SBE=true [2021-11-03 04:06:30,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:06:30,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:06:30,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:06:30,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:06:30,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:06:30,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:06:30,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:06:30,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:06:30,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:06:30,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:06:30,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:06:30,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:06:30,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:06:30,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:06:30,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-03 04:06:30,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:06:30,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:06:30,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-11-03 04:06:30,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:06:30,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:06:30,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:06:30,692 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:06:30,693 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:06:30,694 INFO L432 ainManager$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--net--ppp--ppp_generic.ko.cil.i [2021-11-03 04:06:30,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987cf190b/a773fce2290c4681bcb00b5451e80256/FLAGbed49a2a7 [2021-11-03 04:06:31,485 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:06:31,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-03 04:06:31,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987cf190b/a773fce2290c4681bcb00b5451e80256/FLAGbed49a2a7 [2021-11-03 04:06:32,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/987cf190b/a773fce2290c4681bcb00b5451e80256 [2021-11-03 04:06:32,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:06:32,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:06:32,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:06:32,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:06:32,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:06:32,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:06:32" (1/1) ... [2021-11-03 04:06:32,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f14b875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:32, skipping insertion in model container [2021-11-03 04:06:32,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:06:32" (1/1) ... [2021-11-03 04:06:32,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:06:32,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:06:35,621 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--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-03 04:06:35,624 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--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-03 04:06:35,625 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--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-03 04:06:35,625 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--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-03 04:06:35,626 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--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-03 04:06:35,626 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--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-03 04:06:35,627 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--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-03 04:06:35,628 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--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-03 04:06:35,628 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--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-03 04:06:35,628 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--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-03 04:06:35,629 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--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-03 04:06:35,629 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--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-03 04:06:35,630 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--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-03 04:06:35,630 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--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-03 04:06:35,631 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--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-03 04:06:35,631 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--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-03 04:06:35,636 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--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-03 04:06:35,637 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--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-03 04:06:35,638 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--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-03 04:06:35,639 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--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-03 04:06:35,640 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--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-03 04:06:35,640 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--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-03 04:06:35,640 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--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-03 04:06:35,641 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--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-03 04:06:35,641 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--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-03 04:06:35,643 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--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-03 04:06:35,643 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--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-03 04:06:35,644 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--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-03 04:06:35,644 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--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-03 04:06:35,645 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--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-03 04:06:35,646 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--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-03 04:06:35,646 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--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-03 04:06:35,647 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--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-03 04:06:35,647 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--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-03 04:06:35,648 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--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-03 04:06:35,648 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--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-03 04:06:35,649 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--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-03 04:06:35,649 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--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-03 04:06:35,650 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--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-03 04:06:35,650 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--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-03 04:06:35,650 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--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-03 04:06:35,651 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--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-03 04:06:35,651 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--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-03 04:06:35,652 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--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-03 04:06:35,652 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--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-03 04:06:35,653 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--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-03 04:06:35,653 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--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-03 04:06:35,654 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--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-03 04:06:35,654 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--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-03 04:06:35,655 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--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-03 04:06:35,655 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--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-03 04:06:35,655 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--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-03 04:06:35,656 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--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-03 04:06:35,656 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--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-03 04:06:35,656 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--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-03 04:06:35,657 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--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-03 04:06:35,658 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--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-03 04:06:35,658 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--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-03 04:06:35,658 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--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-03 04:06:35,659 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--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-03 04:06:35,659 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--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-03 04:06:35,660 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--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-03 04:06:35,660 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--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-03 04:06:35,661 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--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-03 04:06:35,661 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--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-03 04:06:35,661 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--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-03 04:06:35,662 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--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-03 04:06:35,662 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--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-03 04:06:35,662 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--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-03 04:06:35,663 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--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-03 04:06:35,663 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--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-03 04:06:35,663 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--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-03 04:06:35,664 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--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-03 04:06:35,664 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--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-03 04:06:35,664 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--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-03 04:06:35,665 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--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-03 04:06:35,665 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--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-03 04:06:35,665 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--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-03 04:06:35,666 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--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-03 04:06:35,667 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--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-03 04:06:35,667 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--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-03 04:06:35,667 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--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-03 04:06:35,668 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--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-03 04:06:35,668 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--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-03 04:06:35,668 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--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-03 04:06:35,669 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--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-03 04:06:35,669 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--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-03 04:06:35,669 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--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-03 04:06:35,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:06:35,734 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:06:36,085 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--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-11-03 04:06:36,087 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--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-11-03 04:06:36,091 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--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-11-03 04:06:36,092 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--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-11-03 04:06:36,092 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--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-11-03 04:06:36,093 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--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-11-03 04:06:36,093 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--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-11-03 04:06:36,094 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--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-11-03 04:06:36,094 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--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-11-03 04:06:36,095 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--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-11-03 04:06:36,095 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--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-11-03 04:06:36,095 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--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-11-03 04:06:36,096 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--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-11-03 04:06:36,096 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--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-11-03 04:06:36,097 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--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-11-03 04:06:36,097 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--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-11-03 04:06:36,097 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--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-11-03 04:06:36,098 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--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-11-03 04:06:36,098 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--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-11-03 04:06:36,098 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--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-11-03 04:06:36,098 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--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-11-03 04:06:36,099 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--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-11-03 04:06:36,100 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--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-11-03 04:06:36,100 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--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-11-03 04:06:36,101 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--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-11-03 04:06:36,101 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--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-11-03 04:06:36,104 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--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-11-03 04:06:36,105 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--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-11-03 04:06:36,105 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--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-11-03 04:06:36,105 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--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-11-03 04:06:36,106 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--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-11-03 04:06:36,106 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--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-11-03 04:06:36,106 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--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-11-03 04:06:36,107 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--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-11-03 04:06:36,107 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--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-11-03 04:06:36,107 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--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-11-03 04:06:36,108 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--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-11-03 04:06:36,108 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--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-11-03 04:06:36,108 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--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-11-03 04:06:36,109 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--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-11-03 04:06:36,109 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--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-11-03 04:06:36,110 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--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-11-03 04:06:36,110 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--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-11-03 04:06:36,111 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--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-11-03 04:06:36,111 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--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-11-03 04:06:36,111 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--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-11-03 04:06:36,112 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--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-11-03 04:06:36,112 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--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-11-03 04:06:36,112 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--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-11-03 04:06:36,113 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--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-11-03 04:06:36,113 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--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-11-03 04:06:36,113 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--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-11-03 04:06:36,114 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--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-11-03 04:06:36,114 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--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-11-03 04:06:36,114 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--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-11-03 04:06:36,115 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--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-11-03 04:06:36,115 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--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-11-03 04:06:36,115 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--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-11-03 04:06:36,116 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--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-11-03 04:06:36,116 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--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-11-03 04:06:36,116 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--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-11-03 04:06:36,117 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--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-11-03 04:06:36,117 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--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-11-03 04:06:36,118 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--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-11-03 04:06:36,119 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--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-11-03 04:06:36,124 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--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-11-03 04:06:36,125 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--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-11-03 04:06:36,125 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--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-11-03 04:06:36,125 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--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-11-03 04:06:36,126 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--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-11-03 04:06:36,127 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--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-11-03 04:06:36,127 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--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2021-11-03 04:06:36,127 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--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-11-03 04:06:36,128 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--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-11-03 04:06:36,133 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--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-11-03 04:06:36,133 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--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-11-03 04:06:36,133 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--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-11-03 04:06:36,134 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--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-11-03 04:06:36,135 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--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-11-03 04:06:36,135 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--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-11-03 04:06:36,135 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--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-11-03 04:06:36,136 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--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-11-03 04:06:36,136 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--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-11-03 04:06:36,137 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--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-11-03 04:06:36,137 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--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-11-03 04:06:36,137 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--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-11-03 04:06:36,138 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--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-11-03 04:06:36,138 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--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-11-03 04:06:36,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:06:36,420 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:06:36,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36 WrapperNode [2021-11-03 04:06:36,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:06:36,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:06:36,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:06:36,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:06:36,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:36,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:06:37,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:06:37,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:06:37,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:06:37,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:37,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:38,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:06:38,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:06:38,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:06:38,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:06:38,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (1/1) ... [2021-11-03 04:06:38,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:06:38,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-03 04:06:38,162 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) [2021-11-03 04:06:38,168 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 [2021-11-03 04:06:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-03 04:06:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-03 04:06:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-03 04:06:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-03 04:06:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-03 04:06:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:06:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-11-03 04:06:38,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-11-03 04:06:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:06:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:06:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 04:06:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-03 04:06:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-03 04:06:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:06:38,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:06:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:06:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-03 04:06:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-03 04:06:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:06:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:06:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-11-03 04:06:38,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-11-03 04:06:38,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:06:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-03 04:06:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-03 04:06:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:06:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-03 04:06:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-03 04:06:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-03 04:06:38,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-03 04:06:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:06:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 04:06:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-03 04:06:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-03 04:06:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-03 04:06:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-03 04:06:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-03 04:06:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-03 04:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-03 04:06:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-03 04:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-11-03 04:06:38,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-11-03 04:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-11-03 04:06:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-11-03 04:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-03 04:06:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-03 04:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:06:42,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L12673: #t~ret1565 := main_#res; [2021-11-03 04:06:42,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_9_returnLabel: main_#res := 0; [2021-11-03 04:06:42,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 04:06:42,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:06:42,459 INFO L299 CfgBuilder]: Removed 5462 assume(true) statements. [2021-11-03 04:06:42,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:06:42 BoogieIcfgContainer [2021-11-03 04:06:42,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:06:42,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:06:42,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:06:42,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:06:42,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:06:32" (1/3) ... [2021-11-03 04:06:42,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d99ecee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:06:42, skipping insertion in model container [2021-11-03 04:06:42,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:06:36" (2/3) ... [2021-11-03 04:06:42,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d99ecee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:06:42, skipping insertion in model container [2021-11-03 04:06:42,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:06:42" (3/3) ... [2021-11-03 04:06:42,470 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-11-03 04:06:42,474 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:06:42,474 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 275 error locations. [2021-11-03 04:06:42,522 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:06:42,527 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 [2021-11-03 04:06:42,527 INFO L340 AbstractCegarLoop]: Starting to check reachability of 275 error locations. [2021-11-03 04:06:42,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 5271 states, 4933 states have (on average 1.3942833975268598) internal successors, (6878), 5222 states have internal predecessors, (6878), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:06:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 04:06:42,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:06:42,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:06:42,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:06:42,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:06:42,605 INFO L85 PathProgramCache]: Analyzing trace with hash 957712323, now seen corresponding path program 1 times [2021-11-03 04:06:42,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:06:42,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417686639] [2021-11-03 04:06:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:06:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:06:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:06:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:06:43,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:06:43,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417686639] [2021-11-03 04:06:43,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417686639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:06:43,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:06:43,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:06:43,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594671706] [2021-11-03 04:06:43,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:06:43,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:06:43,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:06:43,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:06:43,158 INFO L87 Difference]: Start difference. First operand has 5271 states, 4933 states have (on average 1.3942833975268598) internal successors, (6878), 5222 states have internal predecessors, (6878), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-03 04:07:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:00,372 INFO L93 Difference]: Finished difference Result 15840 states and 21019 transitions. [2021-11-03 04:07:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:07:00,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-11-03 04:07:00,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:00,434 INFO L225 Difference]: With dead ends: 15840 [2021-11-03 04:07:00,434 INFO L226 Difference]: Without dead ends: 10015 [2021-11-03 04:07:00,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.37ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:00,489 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 7207 mSDsluCounter, 12838 mSDsCounter, 0 mSdLazyCounter, 19055 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13643.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7211 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 19059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.38ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16461.93ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:00,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7211 Valid, 1274 Invalid, 19059 Unknown, 0 Unchecked, 57.38ms Time], IncrementalHoareTripleChecker [4 Valid, 19055 Invalid, 0 Unknown, 0 Unchecked, 16461.93ms Time] [2021-11-03 04:07:00,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2021-11-03 04:07:00,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 4922. [2021-11-03 04:07:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4922 states, 4585 states have (on average 1.2682660850599783) internal successors, (5815), 4873 states have internal predecessors, (5815), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4922 states to 4922 states and 5909 transitions. [2021-11-03 04:07:00,734 INFO L78 Accepts]: Start accepts. Automaton has 4922 states and 5909 transitions. Word has length 15 [2021-11-03 04:07:00,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:00,734 INFO L470 AbstractCegarLoop]: Abstraction has 4922 states and 5909 transitions. [2021-11-03 04:07:00,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-03 04:07:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4922 states and 5909 transitions. [2021-11-03 04:07:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 04:07:00,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:00,737 INFO L514 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] [2021-11-03 04:07:00,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:07:00,737 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:00,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:00,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1449481278, now seen corresponding path program 1 times [2021-11-03 04:07:00,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:00,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004064851] [2021-11-03 04:07:00,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:00,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:00,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:00,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:00,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004064851] [2021-11-03 04:07:00,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004064851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:00,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:00,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:07:00,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025441079] [2021-11-03 04:07:00,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:07:00,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:00,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:07:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:07:00,940 INFO L87 Difference]: Start difference. First operand 4922 states and 5909 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 04:07:10,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:10,628 INFO L93 Difference]: Finished difference Result 4922 states and 5909 transitions. [2021-11-03 04:07:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:07:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-03 04:07:10,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:10,648 INFO L225 Difference]: With dead ends: 4922 [2021-11-03 04:07:10,648 INFO L226 Difference]: Without dead ends: 4918 [2021-11-03 04:07:10,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:10,653 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6054 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 11452 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7896.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.81ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9430.88ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:10,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6054 Valid, 188 Invalid, 11454 Unknown, 0 Unchecked, 27.81ms Time], IncrementalHoareTripleChecker [2 Valid, 11452 Invalid, 0 Unknown, 0 Unchecked, 9430.88ms Time] [2021-11-03 04:07:10,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4918 states. [2021-11-03 04:07:10,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4918 to 4918. [2021-11-03 04:07:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4918 states, 4583 states have (on average 1.2679467597643466) internal successors, (5811), 4869 states have internal predecessors, (5811), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4918 states to 4918 states and 5905 transitions. [2021-11-03 04:07:10,798 INFO L78 Accepts]: Start accepts. Automaton has 4918 states and 5905 transitions. Word has length 22 [2021-11-03 04:07:10,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:10,799 INFO L470 AbstractCegarLoop]: Abstraction has 4918 states and 5905 transitions. [2021-11-03 04:07:10,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 04:07:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 4918 states and 5905 transitions. [2021-11-03 04:07:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 04:07:10,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:10,801 INFO L514 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] [2021-11-03 04:07:10,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:07:10,801 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -85480992, now seen corresponding path program 1 times [2021-11-03 04:07:10,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:10,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322535952] [2021-11-03 04:07:10,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:10,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:10,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:10,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322535952] [2021-11-03 04:07:10,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322535952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:10,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:10,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:07:10,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600311455] [2021-11-03 04:07:10,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:07:10,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:10,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:07:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:07:10,970 INFO L87 Difference]: Start difference. First operand 4918 states and 5905 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 04:07:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:20,503 INFO L93 Difference]: Finished difference Result 5505 states and 6555 transitions. [2021-11-03 04:07:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:07:20,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-03 04:07:20,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:20,525 INFO L225 Difference]: With dead ends: 5505 [2021-11-03 04:07:20,525 INFO L226 Difference]: Without dead ends: 5503 [2021-11-03 04:07:20,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:20,529 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 6535 mSDsluCounter, 5895 mSDsCounter, 0 mSdLazyCounter, 12258 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7714.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6535 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 12262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.50ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9276.38ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:20,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6535 Valid, 196 Invalid, 12262 Unknown, 0 Unchecked, 26.50ms Time], IncrementalHoareTripleChecker [4 Valid, 12258 Invalid, 0 Unknown, 0 Unchecked, 9276.38ms Time] [2021-11-03 04:07:20,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5503 states. [2021-11-03 04:07:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5503 to 4916. [2021-11-03 04:07:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4916 states, 4582 states have (on average 1.2677869925796594) internal successors, (5809), 4867 states have internal predecessors, (5809), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4916 states to 4916 states and 5903 transitions. [2021-11-03 04:07:20,664 INFO L78 Accepts]: Start accepts. Automaton has 4916 states and 5903 transitions. Word has length 22 [2021-11-03 04:07:20,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:20,665 INFO L470 AbstractCegarLoop]: Abstraction has 4916 states and 5903 transitions. [2021-11-03 04:07:20,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 04:07:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4916 states and 5903 transitions. [2021-11-03 04:07:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-03 04:07:20,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:20,667 INFO L514 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] [2021-11-03 04:07:20,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-03 04:07:20,667 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:20,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:20,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1382716162, now seen corresponding path program 1 times [2021-11-03 04:07:20,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:20,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339792856] [2021-11-03 04:07:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:20,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:20,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:20,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339792856] [2021-11-03 04:07:20,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339792856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:20,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:20,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:07:20,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167842292] [2021-11-03 04:07:20,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:07:20,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:20,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:07:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:07:20,889 INFO L87 Difference]: Start difference. First operand 4916 states and 5903 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-03 04:07:30,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:30,108 INFO L93 Difference]: Finished difference Result 4916 states and 5903 transitions. [2021-11-03 04:07:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:07:30,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-11-03 04:07:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:30,125 INFO L225 Difference]: With dead ends: 4916 [2021-11-03 04:07:30,125 INFO L226 Difference]: Without dead ends: 4912 [2021-11-03 04:07:30,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.16ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:30,128 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6038 mSDsluCounter, 5737 mSDsCounter, 0 mSdLazyCounter, 11448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7547.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6038 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.22ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9015.06ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:30,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6038 Valid, 188 Invalid, 11450 Unknown, 0 Unchecked, 19.22ms Time], IncrementalHoareTripleChecker [2 Valid, 11448 Invalid, 0 Unknown, 0 Unchecked, 9015.06ms Time] [2021-11-03 04:07:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4912 states. [2021-11-03 04:07:30,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4912 to 4912. [2021-11-03 04:07:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4912 states, 4580 states have (on average 1.267467248908297) internal successors, (5805), 4863 states have internal predecessors, (5805), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4912 states to 4912 states and 5899 transitions. [2021-11-03 04:07:30,266 INFO L78 Accepts]: Start accepts. Automaton has 4912 states and 5899 transitions. Word has length 24 [2021-11-03 04:07:30,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:30,267 INFO L470 AbstractCegarLoop]: Abstraction has 4912 states and 5899 transitions. [2021-11-03 04:07:30,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2021-11-03 04:07:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4912 states and 5899 transitions. [2021-11-03 04:07:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:07:30,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:30,272 INFO L514 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] [2021-11-03 04:07:30,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-03 04:07:30,272 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:30,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:30,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1645949478, now seen corresponding path program 1 times [2021-11-03 04:07:30,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:30,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979768115] [2021-11-03 04:07:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:30,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:30,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:30,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979768115] [2021-11-03 04:07:30,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979768115] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:30,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:30,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:07:30,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448650272] [2021-11-03 04:07:30,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:07:30,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:30,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:07:30,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:07:30,405 INFO L87 Difference]: Start difference. First operand 4912 states and 5899 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-03 04:07:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:39,628 INFO L93 Difference]: Finished difference Result 4912 states and 5899 transitions. [2021-11-03 04:07:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:07:39,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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 26 [2021-11-03 04:07:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:39,641 INFO L225 Difference]: With dead ends: 4912 [2021-11-03 04:07:39,641 INFO L226 Difference]: Without dead ends: 4908 [2021-11-03 04:07:39,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:39,643 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6024 mSDsluCounter, 5741 mSDsCounter, 0 mSdLazyCounter, 11448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7563.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6024 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.09ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9026.14ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:39,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6024 Valid, 188 Invalid, 11450 Unknown, 0 Unchecked, 19.09ms Time], IncrementalHoareTripleChecker [2 Valid, 11448 Invalid, 0 Unknown, 0 Unchecked, 9026.14ms Time] [2021-11-03 04:07:39,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4908 states. [2021-11-03 04:07:39,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4908 to 4908. [2021-11-03 04:07:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4908 states, 4578 states have (on average 1.2671472258628222) internal successors, (5801), 4859 states have internal predecessors, (5801), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:39,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4908 states and 5895 transitions. [2021-11-03 04:07:39,764 INFO L78 Accepts]: Start accepts. Automaton has 4908 states and 5895 transitions. Word has length 26 [2021-11-03 04:07:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:39,764 INFO L470 AbstractCegarLoop]: Abstraction has 4908 states and 5895 transitions. [2021-11-03 04:07:39,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-03 04:07:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 5895 transitions. [2021-11-03 04:07:39,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 04:07:39,765 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:39,765 INFO L514 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] [2021-11-03 04:07:39,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-03 04:07:39,766 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:39,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1210096042, now seen corresponding path program 1 times [2021-11-03 04:07:39,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:39,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72828069] [2021-11-03 04:07:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:39,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:39,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:39,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72828069] [2021-11-03 04:07:39,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72828069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:39,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:39,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:07:39,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612590458] [2021-11-03 04:07:39,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:07:39,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:39,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:07:39,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:07:39,895 INFO L87 Difference]: Start difference. First operand 4908 states and 5895 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-03 04:07:49,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:07:49,438 INFO L93 Difference]: Finished difference Result 4908 states and 5895 transitions. [2021-11-03 04:07:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:07:49,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2021-11-03 04:07:49,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:07:49,448 INFO L225 Difference]: With dead ends: 4908 [2021-11-03 04:07:49,449 INFO L226 Difference]: Without dead ends: 4904 [2021-11-03 04:07:49,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:49,451 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6010 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 11448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7849.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6010 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.41ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9345.69ms IncrementalHoareTripleChecker+Time [2021-11-03 04:07:49,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6010 Valid, 188 Invalid, 11450 Unknown, 0 Unchecked, 18.41ms Time], IncrementalHoareTripleChecker [2 Valid, 11448 Invalid, 0 Unknown, 0 Unchecked, 9345.69ms Time] [2021-11-03 04:07:49,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4904 states. [2021-11-03 04:07:49,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4904 to 4904. [2021-11-03 04:07:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4904 states, 4576 states have (on average 1.2668269230769231) internal successors, (5797), 4855 states have internal predecessors, (5797), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:07:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4904 states to 4904 states and 5891 transitions. [2021-11-03 04:07:49,585 INFO L78 Accepts]: Start accepts. Automaton has 4904 states and 5891 transitions. Word has length 28 [2021-11-03 04:07:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:07:49,587 INFO L470 AbstractCegarLoop]: Abstraction has 4904 states and 5891 transitions. [2021-11-03 04:07:49,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-11-03 04:07:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4904 states and 5891 transitions. [2021-11-03 04:07:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-03 04:07:49,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:07:49,589 INFO L514 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] [2021-11-03 04:07:49,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-03 04:07:49,589 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:07:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:07:49,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1604201132, now seen corresponding path program 1 times [2021-11-03 04:07:49,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:07:49,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186883659] [2021-11-03 04:07:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:07:49,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:07:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:07:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:07:49,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:07:49,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186883659] [2021-11-03 04:07:49,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186883659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:07:49,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:07:49,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:07:49,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066753980] [2021-11-03 04:07:49,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:07:49,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:07:49,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:07:49,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:07:49,788 INFO L87 Difference]: Start difference. First operand 4904 states and 5891 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 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) [2021-11-03 04:08:06,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:08:06,851 INFO L93 Difference]: Finished difference Result 5447 states and 6457 transitions. [2021-11-03 04:08:06,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:08:06,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 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 [2021-11-03 04:08:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:08:06,860 INFO L225 Difference]: With dead ends: 5447 [2021-11-03 04:08:06,860 INFO L226 Difference]: Without dead ends: 5339 [2021-11-03 04:08:06,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.23ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:08:06,862 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 599 mSDsluCounter, 17018 mSDsCounter, 0 mSdLazyCounter, 23244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14150.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 23247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 38.41ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16744.95ms IncrementalHoareTripleChecker+Time [2021-11-03 04:08:06,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [599 Valid, 376 Invalid, 23247 Unknown, 0 Unchecked, 38.41ms Time], IncrementalHoareTripleChecker [3 Valid, 23244 Invalid, 0 Unknown, 0 Unchecked, 16744.95ms Time] [2021-11-03 04:08:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2021-11-03 04:08:06,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 4999. [2021-11-03 04:08:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4999 states, 4671 states have (on average 1.2652536929993576) internal successors, (5910), 4950 states have internal predecessors, (5910), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:08:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 4999 states and 6004 transitions. [2021-11-03 04:08:07,001 INFO L78 Accepts]: Start accepts. Automaton has 4999 states and 6004 transitions. Word has length 29 [2021-11-03 04:08:07,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:08:07,001 INFO L470 AbstractCegarLoop]: Abstraction has 4999 states and 6004 transitions. [2021-11-03 04:08:07,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 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) [2021-11-03 04:08:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 6004 transitions. [2021-11-03 04:08:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-03 04:08:07,002 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:08:07,002 INFO L514 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] [2021-11-03 04:08:07,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-03 04:08:07,002 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:08:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1033227890, now seen corresponding path program 1 times [2021-11-03 04:08:07,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:08:07,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338553834] [2021-11-03 04:08:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:07,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:08:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:08:07,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:08:07,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338553834] [2021-11-03 04:08:07,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338553834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:07,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:08:07,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:08:07,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643047474] [2021-11-03 04:08:07,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:08:07,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:08:07,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:08:07,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:08:07,166 INFO L87 Difference]: Start difference. First operand 4999 states and 6004 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-03 04:08:18,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:08:18,545 INFO L93 Difference]: Finished difference Result 5390 states and 6423 transitions. [2021-11-03 04:08:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:08:18,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 30 [2021-11-03 04:08:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:08:18,556 INFO L225 Difference]: With dead ends: 5390 [2021-11-03 04:08:18,556 INFO L226 Difference]: Without dead ends: 5386 [2021-11-03 04:08:18,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.46ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:08:18,558 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6128 mSDsluCounter, 6072 mSDsCounter, 0 mSdLazyCounter, 11785 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9276.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6128 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.27ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11095.62ms IncrementalHoareTripleChecker+Time [2021-11-03 04:08:18,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6128 Valid, 188 Invalid, 11791 Unknown, 0 Unchecked, 21.27ms Time], IncrementalHoareTripleChecker [6 Valid, 11785 Invalid, 0 Unknown, 0 Unchecked, 11095.62ms Time] [2021-11-03 04:08:18,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5386 states. [2021-11-03 04:08:18,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5386 to 5224. [2021-11-03 04:08:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 4896 states have (on average 1.261437908496732) internal successors, (6176), 5175 states have internal predecessors, (6176), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:08:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 6270 transitions. [2021-11-03 04:08:18,700 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 6270 transitions. Word has length 30 [2021-11-03 04:08:18,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:08:18,700 INFO L470 AbstractCegarLoop]: Abstraction has 5224 states and 6270 transitions. [2021-11-03 04:08:18,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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) [2021-11-03 04:08:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 6270 transitions. [2021-11-03 04:08:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 04:08:18,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:08:18,701 INFO L514 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] [2021-11-03 04:08:18,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-03 04:08:18,702 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:08:18,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:18,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1824429177, now seen corresponding path program 1 times [2021-11-03 04:08:18,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:08:18,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336610215] [2021-11-03 04:08:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:18,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:08:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:08:18,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:08:18,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336610215] [2021-11-03 04:08:18,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336610215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:18,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:08:18,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:08:18,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204185731] [2021-11-03 04:08:18,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:08:18,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:08:18,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:08:18,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:08:18,842 INFO L87 Difference]: Start difference. First operand 5224 states and 6270 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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) [2021-11-03 04:08:21,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:08:25,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:08:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:08:42,251 INFO L93 Difference]: Finished difference Result 5792 states and 6868 transitions. [2021-11-03 04:08:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:08:42,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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 [2021-11-03 04:08:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:08:42,260 INFO L225 Difference]: With dead ends: 5792 [2021-11-03 04:08:42,260 INFO L226 Difference]: Without dead ends: 5656 [2021-11-03 04:08:42,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.67ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:08:42,262 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 704 mSDsluCounter, 17131 mSDsCounter, 0 mSdLazyCounter, 23357 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19561.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 23359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22920.89ms IncrementalHoareTripleChecker+Time [2021-11-03 04:08:42,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [704 Valid, 376 Invalid, 23359 Unknown, 0 Unchecked, 44.52ms Time], IncrementalHoareTripleChecker [1 Valid, 23357 Invalid, 1 Unknown, 0 Unchecked, 22920.89ms Time] [2021-11-03 04:08:42,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5656 states. [2021-11-03 04:08:42,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5656 to 5228. [2021-11-03 04:08:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5228 states, 4900 states have (on average 1.2612244897959184) internal successors, (6180), 5179 states have internal predecessors, (6180), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:08:42,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5228 states to 5228 states and 6274 transitions. [2021-11-03 04:08:42,407 INFO L78 Accepts]: Start accepts. Automaton has 5228 states and 6274 transitions. Word has length 31 [2021-11-03 04:08:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:08:42,407 INFO L470 AbstractCegarLoop]: Abstraction has 5228 states and 6274 transitions. [2021-11-03 04:08:42,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 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) [2021-11-03 04:08:42,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5228 states and 6274 transitions. [2021-11-03 04:08:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 04:08:42,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:08:42,409 INFO L514 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] [2021-11-03 04:08:42,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-03 04:08:42,409 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:08:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:08:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1826276219, now seen corresponding path program 1 times [2021-11-03 04:08:42,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:08:42,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999235698] [2021-11-03 04:08:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:08:42,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:08:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:08:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:08:42,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:08:42,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999235698] [2021-11-03 04:08:42,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999235698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:08:42,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:08:42,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-03 04:08:42,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567918350] [2021-11-03 04:08:42,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 04:08:42,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:08:42,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 04:08:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:08:42,995 INFO L87 Difference]: Start difference. First operand 5228 states and 6274 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 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) [2021-11-03 04:08:48,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:09:28,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:09:28,275 INFO L93 Difference]: Finished difference Result 5563 states and 6630 transitions. [2021-11-03 04:09:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:09:28,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 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 [2021-11-03 04:09:28,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:09:28,283 INFO L225 Difference]: With dead ends: 5563 [2021-11-03 04:09:28,283 INFO L226 Difference]: Without dead ends: 5333 [2021-11-03 04:09:28,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 326.90ms TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2021-11-03 04:09:28,286 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 858 mSDsluCounter, 58678 mSDsCounter, 0 mSdLazyCounter, 63766 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38137.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 63767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 94.51ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44454.59ms IncrementalHoareTripleChecker+Time [2021-11-03 04:09:28,286 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 1034 Invalid, 63767 Unknown, 0 Unchecked, 94.51ms Time], IncrementalHoareTripleChecker [1 Valid, 63766 Invalid, 0 Unknown, 0 Unchecked, 44454.59ms Time] [2021-11-03 04:09:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-11-03 04:09:28,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5241. [2021-11-03 04:09:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5241 states, 4913 states have (on average 1.2605332790555668) internal successors, (6193), 5192 states have internal predecessors, (6193), 47 states have call successors, (47), 16 states have call predecessors, (47), 16 states have return successors, (47), 44 states have call predecessors, (47), 47 states have call successors, (47) [2021-11-03 04:09:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 5241 states and 6287 transitions. [2021-11-03 04:09:28,502 INFO L78 Accepts]: Start accepts. Automaton has 5241 states and 6287 transitions. Word has length 31 [2021-11-03 04:09:28,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:09:28,502 INFO L470 AbstractCegarLoop]: Abstraction has 5241 states and 6287 transitions. [2021-11-03 04:09:28,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 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) [2021-11-03 04:09:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 6287 transitions. [2021-11-03 04:09:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 04:09:28,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:09:28,504 INFO L514 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] [2021-11-03 04:09:28,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-03 04:09:28,504 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:09:28,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:09:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash -793943598, now seen corresponding path program 1 times [2021-11-03 04:09:28,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:09:28,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263202731] [2021-11-03 04:09:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:09:28,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:09:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:09:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:09:28,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:09:28,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263202731] [2021-11-03 04:09:28,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263202731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:09:28,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:09:28,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:09:28,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459485719] [2021-11-03 04:09:28,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:09:28,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:09:28,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:09:28,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:09:28,645 INFO L87 Difference]: Start difference. First operand 5241 states and 6287 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-03 04:09:38,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-03 04:09:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:09:49,011 INFO L93 Difference]: Finished difference Result 10316 states and 12393 transitions. [2021-11-03 04:09:49,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:09:49,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-11-03 04:09:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:09:49,042 INFO L225 Difference]: With dead ends: 10316 [2021-11-03 04:09:49,042 INFO L226 Difference]: Without dead ends: 10312 [2021-11-03 04:09:49,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.48ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:09:49,052 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 6042 mSDsluCounter, 11561 mSDsCounter, 0 mSdLazyCounter, 17129 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16792.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 17137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.54ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19893.29ms IncrementalHoareTripleChecker+Time [2021-11-03 04:09:49,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6042 Valid, 376 Invalid, 17137 Unknown, 0 Unchecked, 29.54ms Time], IncrementalHoareTripleChecker [7 Valid, 17129 Invalid, 1 Unknown, 0 Unchecked, 19893.29ms Time] [2021-11-03 04:09:49,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10312 states. [2021-11-03 04:09:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10312 to 9536. [2021-11-03 04:09:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9536 states, 9146 states have (on average 1.2685326918871638) internal successors, (11602), 9439 states have internal predecessors, (11602), 94 states have call successors, (94), 32 states have call predecessors, (94), 32 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-03 04:09:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9536 states to 9536 states and 11790 transitions. [2021-11-03 04:09:49,448 INFO L78 Accepts]: Start accepts. Automaton has 9536 states and 11790 transitions. Word has length 32 [2021-11-03 04:09:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:09:49,449 INFO L470 AbstractCegarLoop]: Abstraction has 9536 states and 11790 transitions. [2021-11-03 04:09:49,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-11-03 04:09:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 9536 states and 11790 transitions. [2021-11-03 04:09:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:09:49,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:09:49,451 INFO L514 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] [2021-11-03 04:09:49,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-03 04:09:49,451 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:09:49,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:09:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1524994678, now seen corresponding path program 1 times [2021-11-03 04:09:49,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:09:49,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751089095] [2021-11-03 04:09:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:09:49,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:09:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:09:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:09:49,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:09:49,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751089095] [2021-11-03 04:09:49,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751089095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:09:49,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:09:49,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:09:49,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139106164] [2021-11-03 04:09:49,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:09:49,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:09:49,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:09:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:09:49,599 INFO L87 Difference]: Start difference. First operand 9536 states and 11790 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-11-03 04:09:51,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:10:03,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:03,426 INFO L93 Difference]: Finished difference Result 9536 states and 11790 transitions. [2021-11-03 04:10:03,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:10:03,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-11-03 04:10:03,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:03,440 INFO L225 Difference]: With dead ends: 9536 [2021-11-03 04:10:03,440 INFO L226 Difference]: Without dead ends: 9532 [2021-11-03 04:10:03,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.26ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:10:03,446 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5974 mSDsluCounter, 5763 mSDsCounter, 0 mSdLazyCounter, 11460 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11160.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5974 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.77ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13423.58ms IncrementalHoareTripleChecker+Time [2021-11-03 04:10:03,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5974 Valid, 188 Invalid, 11462 Unknown, 0 Unchecked, 22.77ms Time], IncrementalHoareTripleChecker [2 Valid, 11460 Invalid, 0 Unknown, 0 Unchecked, 13423.58ms Time] [2021-11-03 04:10:03,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9532 states. [2021-11-03 04:10:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9532 to 9532. [2021-11-03 04:10:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9532 states, 9144 states have (on average 1.2683727034120735) internal successors, (11598), 9435 states have internal predecessors, (11598), 94 states have call successors, (94), 32 states have call predecessors, (94), 32 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-03 04:10:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9532 states to 9532 states and 11786 transitions. [2021-11-03 04:10:03,892 INFO L78 Accepts]: Start accepts. Automaton has 9532 states and 11786 transitions. Word has length 34 [2021-11-03 04:10:03,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:03,892 INFO L470 AbstractCegarLoop]: Abstraction has 9532 states and 11786 transitions. [2021-11-03 04:10:03,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-11-03 04:10:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 9532 states and 11786 transitions. [2021-11-03 04:10:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 04:10:03,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:10:03,893 INFO L514 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] [2021-11-03 04:10:03,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-03 04:10:03,894 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:10:03,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:03,894 INFO L85 PathProgramCache]: Analyzing trace with hash 936651642, now seen corresponding path program 1 times [2021-11-03 04:10:03,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:10:03,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297139908] [2021-11-03 04:10:03,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:03,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:10:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:10:04,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:10:04,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297139908] [2021-11-03 04:10:04,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297139908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:04,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:04,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:10:04,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171418157] [2021-11-03 04:10:04,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:10:04,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:10:04,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:10:04,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:04,085 INFO L87 Difference]: Start difference. First operand 9532 states and 11786 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-03 04:10:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:25,640 INFO L93 Difference]: Finished difference Result 15732 states and 19325 transitions. [2021-11-03 04:10:25,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:10:25,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-11-03 04:10:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:25,675 INFO L225 Difference]: With dead ends: 15732 [2021-11-03 04:10:25,675 INFO L226 Difference]: Without dead ends: 15728 [2021-11-03 04:10:25,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.98ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:10:25,681 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 4092 mSDsluCounter, 11634 mSDsCounter, 0 mSdLazyCounter, 17205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16978.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4092 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 17209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.92ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20812.02ms IncrementalHoareTripleChecker+Time [2021-11-03 04:10:25,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4092 Valid, 384 Invalid, 17209 Unknown, 0 Unchecked, 35.92ms Time], IncrementalHoareTripleChecker [4 Valid, 17205 Invalid, 0 Unknown, 0 Unchecked, 20812.02ms Time] [2021-11-03 04:10:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15728 states. [2021-11-03 04:10:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15728 to 15196. [2021-11-03 04:10:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15196 states, 14708 states have (on average 1.263598041881969) internal successors, (18585), 15019 states have internal predecessors, (18585), 162 states have call successors, (162), 64 states have call predecessors, (162), 64 states have return successors, (230), 150 states have call predecessors, (230), 162 states have call successors, (230) [2021-11-03 04:10:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15196 states to 15196 states and 18977 transitions. [2021-11-03 04:10:26,233 INFO L78 Accepts]: Start accepts. Automaton has 15196 states and 18977 transitions. Word has length 36 [2021-11-03 04:10:26,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:26,233 INFO L470 AbstractCegarLoop]: Abstraction has 15196 states and 18977 transitions. [2021-11-03 04:10:26,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-03 04:10:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 15196 states and 18977 transitions. [2021-11-03 04:10:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-03 04:10:26,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:10:26,235 INFO L514 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] [2021-11-03 04:10:26,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-03 04:10:26,235 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:10:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:26,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1820290819, now seen corresponding path program 1 times [2021-11-03 04:10:26,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:10:26,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148408645] [2021-11-03 04:10:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:26,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:10:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:10:26,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:10:26,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148408645] [2021-11-03 04:10:26,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148408645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:26,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:26,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:10:26,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75421856] [2021-11-03 04:10:26,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:10:26,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:10:26,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:10:26,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:26,365 INFO L87 Difference]: Start difference. First operand 15196 states and 18977 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-03 04:10:38,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:10:38,806 INFO L93 Difference]: Finished difference Result 15196 states and 18977 transitions. [2021-11-03 04:10:38,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:10:38,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2021-11-03 04:10:38,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:10:38,831 INFO L225 Difference]: With dead ends: 15196 [2021-11-03 04:10:38,832 INFO L226 Difference]: Without dead ends: 15192 [2021-11-03 04:10:38,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.22ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:10:38,840 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5894 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 11522 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9732.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5894 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.91ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11866.78ms IncrementalHoareTripleChecker+Time [2021-11-03 04:10:38,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5894 Valid, 188 Invalid, 11526 Unknown, 0 Unchecked, 18.91ms Time], IncrementalHoareTripleChecker [4 Valid, 11522 Invalid, 0 Unknown, 0 Unchecked, 11866.78ms Time] [2021-11-03 04:10:38,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15192 states. [2021-11-03 04:10:39,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15192 to 15192. [2021-11-03 04:10:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15192 states, 14706 states have (on average 1.2634978920168638) internal successors, (18581), 15015 states have internal predecessors, (18581), 162 states have call successors, (162), 64 states have call predecessors, (162), 64 states have return successors, (230), 150 states have call predecessors, (230), 162 states have call successors, (230) [2021-11-03 04:10:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15192 states to 15192 states and 18973 transitions. [2021-11-03 04:10:39,306 INFO L78 Accepts]: Start accepts. Automaton has 15192 states and 18973 transitions. Word has length 38 [2021-11-03 04:10:39,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:10:39,306 INFO L470 AbstractCegarLoop]: Abstraction has 15192 states and 18973 transitions. [2021-11-03 04:10:39,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-03 04:10:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 15192 states and 18973 transitions. [2021-11-03 04:10:39,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 04:10:39,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:10:39,307 INFO L514 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] [2021-11-03 04:10:39,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-03 04:10:39,308 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:10:39,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:10:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1247172895, now seen corresponding path program 1 times [2021-11-03 04:10:39,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:10:39,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347448577] [2021-11-03 04:10:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:10:39,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:10:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:10:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:10:39,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:10:39,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347448577] [2021-11-03 04:10:39,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347448577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:10:39,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:10:39,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:10:39,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259183409] [2021-11-03 04:10:39,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:10:39,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:10:39,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:10:39,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:10:39,419 INFO L87 Difference]: Start difference. First operand 15192 states and 18973 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-03 04:10:41,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:11:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:04,144 INFO L93 Difference]: Finished difference Result 30034 states and 37771 transitions. [2021-11-03 04:11:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:11:04,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 40 [2021-11-03 04:11:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:04,212 INFO L225 Difference]: With dead ends: 30034 [2021-11-03 04:11:04,212 INFO L226 Difference]: Without dead ends: 30030 [2021-11-03 04:11:04,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:11:04,228 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 6022 mSDsluCounter, 11723 mSDsCounter, 0 mSdLazyCounter, 17327 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19661.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6022 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 17332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.95ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17327 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23682.54ms IncrementalHoareTripleChecker+Time [2021-11-03 04:11:04,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6022 Valid, 423 Invalid, 17332 Unknown, 0 Unchecked, 31.95ms Time], IncrementalHoareTripleChecker [4 Valid, 17327 Invalid, 1 Unknown, 0 Unchecked, 23682.54ms Time] [2021-11-03 04:11:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30030 states. [2021-11-03 04:11:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30030 to 29418. [2021-11-03 04:11:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29418 states, 28706 states have (on average 1.2663903016790914) internal successors, (36353), 29065 states have internal predecessors, (36353), 324 states have call successors, (324), 128 states have call predecessors, (324), 128 states have return successors, (690), 300 states have call predecessors, (690), 324 states have call successors, (690) [2021-11-03 04:11:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29418 states to 29418 states and 37367 transitions. [2021-11-03 04:11:05,301 INFO L78 Accepts]: Start accepts. Automaton has 29418 states and 37367 transitions. Word has length 40 [2021-11-03 04:11:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:05,301 INFO L470 AbstractCegarLoop]: Abstraction has 29418 states and 37367 transitions. [2021-11-03 04:11:05,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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) [2021-11-03 04:11:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29418 states and 37367 transitions. [2021-11-03 04:11:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:11:05,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:11:05,303 INFO L514 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] [2021-11-03 04:11:05,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-03 04:11:05,304 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:11:05,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:05,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1106709903, now seen corresponding path program 1 times [2021-11-03 04:11:05,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:11:05,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236015118] [2021-11-03 04:11:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:05,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:11:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:05,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:11:05,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236015118] [2021-11-03 04:11:05,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236015118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:05,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:05,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:11:05,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541735944] [2021-11-03 04:11:05,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:05,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:11:05,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:05,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:05,487 INFO L87 Difference]: Start difference. First operand 29418 states and 37367 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) [2021-11-03 04:11:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:23,726 INFO L93 Difference]: Finished difference Result 29778 states and 37733 transitions. [2021-11-03 04:11:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:11:23,727 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 [2021-11-03 04:11:23,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:23,800 INFO L225 Difference]: With dead ends: 29778 [2021-11-03 04:11:23,800 INFO L226 Difference]: Without dead ends: 29776 [2021-11-03 04:11:23,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:11:23,818 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6154 mSDsluCounter, 6182 mSDsCounter, 0 mSdLazyCounter, 12274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13779.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6154 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 12276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.48ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17207.94ms IncrementalHoareTripleChecker+Time [2021-11-03 04:11:23,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6154 Valid, 188 Invalid, 12276 Unknown, 0 Unchecked, 40.48ms Time], IncrementalHoareTripleChecker [2 Valid, 12274 Invalid, 0 Unknown, 0 Unchecked, 17207.94ms Time] [2021-11-03 04:11:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29776 states. [2021-11-03 04:11:24,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29776 to 29416. [2021-11-03 04:11:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29416 states, 28705 states have (on average 1.2660512105904895) internal successors, (36342), 29063 states have internal predecessors, (36342), 324 states have call successors, (324), 128 states have call predecessors, (324), 128 states have return successors, (690), 300 states have call predecessors, (690), 324 states have call successors, (690) [2021-11-03 04:11:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29416 states to 29416 states and 37356 transitions. [2021-11-03 04:11:24,863 INFO L78 Accepts]: Start accepts. Automaton has 29416 states and 37356 transitions. Word has length 41 [2021-11-03 04:11:24,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:24,864 INFO L470 AbstractCegarLoop]: Abstraction has 29416 states and 37356 transitions. [2021-11-03 04:11:24,864 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) [2021-11-03 04:11:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 29416 states and 37356 transitions. [2021-11-03 04:11:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 04:11:24,864 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:11:24,865 INFO L514 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] [2021-11-03 04:11:24,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-03 04:11:24,865 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:11:24,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:24,865 INFO L85 PathProgramCache]: Analyzing trace with hash -236661467, now seen corresponding path program 1 times [2021-11-03 04:11:24,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:11:24,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546406751] [2021-11-03 04:11:24,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:24,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:11:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:25,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:11:25,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546406751] [2021-11-03 04:11:25,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546406751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:25,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:25,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:11:25,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984809162] [2021-11-03 04:11:25,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:25,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:11:25,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:25,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:25,010 INFO L87 Difference]: Start difference. First operand 29416 states and 37356 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-11-03 04:11:27,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:11:43,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:11:43,002 INFO L93 Difference]: Finished difference Result 29416 states and 37356 transitions. [2021-11-03 04:11:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:11:43,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2021-11-03 04:11:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:11:43,054 INFO L225 Difference]: With dead ends: 29416 [2021-11-03 04:11:43,054 INFO L226 Difference]: Without dead ends: 29412 [2021-11-03 04:11:43,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.06ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:11:43,069 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5924 mSDsluCounter, 5785 mSDsCounter, 0 mSdLazyCounter, 11471 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13811.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5924 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16914.18ms IncrementalHoareTripleChecker+Time [2021-11-03 04:11:43,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5924 Valid, 188 Invalid, 11474 Unknown, 0 Unchecked, 29.25ms Time], IncrementalHoareTripleChecker [2 Valid, 11471 Invalid, 1 Unknown, 0 Unchecked, 16914.18ms Time] [2021-11-03 04:11:43,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29412 states. [2021-11-03 04:11:43,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29412 to 29412. [2021-11-03 04:11:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29412 states, 28703 states have (on average 1.2660000696791276) internal successors, (36338), 29059 states have internal predecessors, (36338), 324 states have call successors, (324), 128 states have call predecessors, (324), 128 states have return successors, (690), 300 states have call predecessors, (690), 324 states have call successors, (690) [2021-11-03 04:11:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29412 states to 29412 states and 37352 transitions. [2021-11-03 04:11:44,022 INFO L78 Accepts]: Start accepts. Automaton has 29412 states and 37352 transitions. Word has length 42 [2021-11-03 04:11:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:11:44,022 INFO L470 AbstractCegarLoop]: Abstraction has 29412 states and 37352 transitions. [2021-11-03 04:11:44,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-11-03 04:11:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29412 states and 37352 transitions. [2021-11-03 04:11:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 04:11:44,023 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:11:44,023 INFO L514 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] [2021-11-03 04:11:44,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-03 04:11:44,023 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:11:44,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:11:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash 202212297, now seen corresponding path program 1 times [2021-11-03 04:11:44,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:11:44,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990134681] [2021-11-03 04:11:44,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:11:44,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:11:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:11:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:11:44,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:11:44,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990134681] [2021-11-03 04:11:44,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990134681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:11:44,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:11:44,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:11:44,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918412900] [2021-11-03 04:11:44,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:11:44,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:11:44,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:11:44,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:11:44,140 INFO L87 Difference]: Start difference. First operand 29412 states and 37352 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-03 04:11:46,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:12:00,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:12:00,111 INFO L93 Difference]: Finished difference Result 29412 states and 37352 transitions. [2021-11-03 04:12:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:12:00,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2021-11-03 04:12:00,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:12:00,155 INFO L225 Difference]: With dead ends: 29412 [2021-11-03 04:12:00,155 INFO L226 Difference]: Without dead ends: 29408 [2021-11-03 04:12:00,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:12:00,168 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5910 mSDsluCounter, 5789 mSDsCounter, 0 mSdLazyCounter, 11471 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12575.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5910 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.05ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11471 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14946.54ms IncrementalHoareTripleChecker+Time [2021-11-03 04:12:00,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5910 Valid, 188 Invalid, 11474 Unknown, 0 Unchecked, 21.05ms Time], IncrementalHoareTripleChecker [2 Valid, 11471 Invalid, 1 Unknown, 0 Unchecked, 14946.54ms Time] [2021-11-03 04:12:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29408 states. [2021-11-03 04:12:01,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29408 to 29408. [2021-11-03 04:12:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29408 states, 28701 states have (on average 1.265948921640361) internal successors, (36334), 29055 states have internal predecessors, (36334), 324 states have call successors, (324), 128 states have call predecessors, (324), 128 states have return successors, (690), 300 states have call predecessors, (690), 324 states have call successors, (690) [2021-11-03 04:12:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29408 states to 29408 states and 37348 transitions. [2021-11-03 04:12:01,137 INFO L78 Accepts]: Start accepts. Automaton has 29408 states and 37348 transitions. Word has length 44 [2021-11-03 04:12:01,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:01,137 INFO L470 AbstractCegarLoop]: Abstraction has 29408 states and 37348 transitions. [2021-11-03 04:12:01,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-11-03 04:12:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 29408 states and 37348 transitions. [2021-11-03 04:12:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:12:01,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:12:01,138 INFO L514 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] [2021-11-03 04:12:01,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-03 04:12:01,138 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:12:01,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:01,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1053104845, now seen corresponding path program 1 times [2021-11-03 04:12:01,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:12:01,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789038243] [2021-11-03 04:12:01,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:01,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:12:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:12:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:01,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:12:01,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789038243] [2021-11-03 04:12:01,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789038243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:01,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:01,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:12:01,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424950016] [2021-11-03 04:12:01,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:01,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:12:01,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:01,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:01,260 INFO L87 Difference]: Start difference. First operand 29408 states and 37348 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-03 04:12:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:12:21,998 INFO L93 Difference]: Finished difference Result 42452 states and 54883 transitions. [2021-11-03 04:12:21,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:12:21,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2021-11-03 04:12:21,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:12:22,090 INFO L225 Difference]: With dead ends: 42452 [2021-11-03 04:12:22,090 INFO L226 Difference]: Without dead ends: 42448 [2021-11-03 04:12:22,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:12:22,110 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 2358 mSDsluCounter, 11606 mSDsCounter, 0 mSdLazyCounter, 17199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15804.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 17203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.66ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19212.38ms IncrementalHoareTripleChecker+Time [2021-11-03 04:12:22,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2358 Valid, 384 Invalid, 17203 Unknown, 0 Unchecked, 31.66ms Time], IncrementalHoareTripleChecker [4 Valid, 17199 Invalid, 0 Unknown, 0 Unchecked, 19212.38ms Time] [2021-11-03 04:12:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42448 states. [2021-11-03 04:12:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42448 to 41976. [2021-11-03 04:12:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41976 states, 40873 states have (on average 1.272918552589729) internal successors, (52028), 41319 states have internal predecessors, (52028), 592 states have call successors, (592), 256 states have call predecessors, (592), 256 states have return successors, (1880), 536 states have call predecessors, (1880), 592 states have call successors, (1880) [2021-11-03 04:12:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41976 states to 41976 states and 54500 transitions. [2021-11-03 04:12:23,623 INFO L78 Accepts]: Start accepts. Automaton has 41976 states and 54500 transitions. Word has length 46 [2021-11-03 04:12:23,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:23,623 INFO L470 AbstractCegarLoop]: Abstraction has 41976 states and 54500 transitions. [2021-11-03 04:12:23,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 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) [2021-11-03 04:12:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 41976 states and 54500 transitions. [2021-11-03 04:12:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:12:23,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:12:23,625 INFO L514 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] [2021-11-03 04:12:23,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-03 04:12:23,625 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:12:23,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:23,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1331391292, now seen corresponding path program 1 times [2021-11-03 04:12:23,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:12:23,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843948747] [2021-11-03 04:12:23,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:23,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:12:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:12:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:23,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:12:23,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843948747] [2021-11-03 04:12:23,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843948747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:23,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:23,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:12:23,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655639383] [2021-11-03 04:12:23,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:23,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:12:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:23,756 INFO L87 Difference]: Start difference. First operand 41976 states and 54500 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) [2021-11-03 04:12:25,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:12:44,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:12:44,486 INFO L93 Difference]: Finished difference Result 44788 states and 57736 transitions. [2021-11-03 04:12:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:12:44,486 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 [2021-11-03 04:12:44,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:12:44,569 INFO L225 Difference]: With dead ends: 44788 [2021-11-03 04:12:44,569 INFO L226 Difference]: Without dead ends: 44786 [2021-11-03 04:12:44,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:12:44,589 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 6125 mSDsluCounter, 5861 mSDsCounter, 0 mSdLazyCounter, 11847 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15001.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6125 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18854.41ms IncrementalHoareTripleChecker+Time [2021-11-03 04:12:44,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6125 Valid, 188 Invalid, 11847 Unknown, 0 Unchecked, 32.98ms Time], IncrementalHoareTripleChecker [0 Valid, 11847 Invalid, 0 Unknown, 0 Unchecked, 18854.41ms Time] [2021-11-03 04:12:44,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44786 states. [2021-11-03 04:12:46,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44786 to 41974. [2021-11-03 04:12:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41974 states, 40872 states have (on average 1.2720444313955763) internal successors, (51991), 41317 states have internal predecessors, (51991), 592 states have call successors, (592), 256 states have call predecessors, (592), 256 states have return successors, (1880), 536 states have call predecessors, (1880), 592 states have call successors, (1880) [2021-11-03 04:12:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41974 states to 41974 states and 54463 transitions. [2021-11-03 04:12:46,310 INFO L78 Accepts]: Start accepts. Automaton has 41974 states and 54463 transitions. Word has length 47 [2021-11-03 04:12:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:12:46,310 INFO L470 AbstractCegarLoop]: Abstraction has 41974 states and 54463 transitions. [2021-11-03 04:12:46,310 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) [2021-11-03 04:12:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 41974 states and 54463 transitions. [2021-11-03 04:12:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 04:12:46,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:12:46,311 INFO L514 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] [2021-11-03 04:12:46,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-03 04:12:46,311 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:12:46,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:12:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1577909711, now seen corresponding path program 1 times [2021-11-03 04:12:46,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:12:46,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219358683] [2021-11-03 04:12:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:12:46,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:12:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:12:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:12:46,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:12:46,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219358683] [2021-11-03 04:12:46,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219358683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:12:46,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:12:46,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:12:46,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382785477] [2021-11-03 04:12:46,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:12:46,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:12:46,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:12:46,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:12:46,442 INFO L87 Difference]: Start difference. First operand 41974 states and 54463 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-03 04:13:05,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:05,227 INFO L93 Difference]: Finished difference Result 41974 states and 54463 transitions. [2021-11-03 04:13:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:13:05,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-03 04:13:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:05,288 INFO L225 Difference]: With dead ends: 41974 [2021-11-03 04:13:05,288 INFO L226 Difference]: Without dead ends: 41970 [2021-11-03 04:13:05,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.01ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:13:05,302 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5884 mSDsluCounter, 5799 mSDsCounter, 0 mSdLazyCounter, 11476 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13413.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5884 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.57ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16993.79ms IncrementalHoareTripleChecker+Time [2021-11-03 04:13:05,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5884 Valid, 188 Invalid, 11478 Unknown, 0 Unchecked, 31.57ms Time], IncrementalHoareTripleChecker [2 Valid, 11476 Invalid, 0 Unknown, 0 Unchecked, 16993.79ms Time] [2021-11-03 04:13:05,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41970 states. [2021-11-03 04:13:06,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41970 to 41970. [2021-11-03 04:13:06,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41970 states, 40870 states have (on average 1.2720088084169316) internal successors, (51987), 41313 states have internal predecessors, (51987), 592 states have call successors, (592), 256 states have call predecessors, (592), 256 states have return successors, (1880), 536 states have call predecessors, (1880), 592 states have call successors, (1880) [2021-11-03 04:13:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41970 states to 41970 states and 54459 transitions. [2021-11-03 04:13:06,992 INFO L78 Accepts]: Start accepts. Automaton has 41970 states and 54459 transitions. Word has length 48 [2021-11-03 04:13:06,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:06,992 INFO L470 AbstractCegarLoop]: Abstraction has 41970 states and 54459 transitions. [2021-11-03 04:13:06,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2021-11-03 04:13:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 41970 states and 54459 transitions. [2021-11-03 04:13:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-03 04:13:06,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:13:06,993 INFO L514 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] [2021-11-03 04:13:06,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-03 04:13:06,993 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:13:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:06,993 INFO L85 PathProgramCache]: Analyzing trace with hash -247160331, now seen corresponding path program 1 times [2021-11-03 04:13:06,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:13:06,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349556592] [2021-11-03 04:13:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:13:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:07,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:13:07,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349556592] [2021-11-03 04:13:07,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349556592] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:07,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:07,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:13:07,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542025441] [2021-11-03 04:13:07,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:13:07,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:13:07,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:13:07,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:07,115 INFO L87 Difference]: Start difference. First operand 41970 states and 54459 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-03 04:13:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:13:37,121 INFO L93 Difference]: Finished difference Result 61408 states and 80164 transitions. [2021-11-03 04:13:37,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:13:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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 50 [2021-11-03 04:13:37,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:13:37,308 INFO L225 Difference]: With dead ends: 61408 [2021-11-03 04:13:37,308 INFO L226 Difference]: Without dead ends: 61404 [2021-11-03 04:13:37,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.75ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:13:37,339 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 3335 mSDsluCounter, 11637 mSDsCounter, 0 mSdLazyCounter, 17201 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21430.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 17209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.12ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 17201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27338.10ms IncrementalHoareTripleChecker+Time [2021-11-03 04:13:37,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3335 Valid, 384 Invalid, 17209 Unknown, 0 Unchecked, 46.12ms Time], IncrementalHoareTripleChecker [8 Valid, 17201 Invalid, 0 Unknown, 0 Unchecked, 27338.10ms Time] [2021-11-03 04:13:37,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61404 states. [2021-11-03 04:13:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61404 to 57102. [2021-11-03 04:13:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57102 states, 55606 states have (on average 1.2711398050570082) internal successors, (70683), 56133 states have internal predecessors, (70683), 860 states have call successors, (860), 384 states have call predecessors, (860), 384 states have return successors, (3680), 780 states have call predecessors, (3680), 860 states have call successors, (3680) [2021-11-03 04:13:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57102 states to 57102 states and 75223 transitions. [2021-11-03 04:13:40,270 INFO L78 Accepts]: Start accepts. Automaton has 57102 states and 75223 transitions. Word has length 50 [2021-11-03 04:13:40,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:13:40,271 INFO L470 AbstractCegarLoop]: Abstraction has 57102 states and 75223 transitions. [2021-11-03 04:13:40,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-11-03 04:13:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 57102 states and 75223 transitions. [2021-11-03 04:13:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 04:13:40,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:13:40,272 INFO L514 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] [2021-11-03 04:13:40,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-03 04:13:40,272 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:13:40,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:13:40,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1297261000, now seen corresponding path program 1 times [2021-11-03 04:13:40,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:13:40,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447336267] [2021-11-03 04:13:40,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:13:40,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:13:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:13:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:13:40,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:13:40,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447336267] [2021-11-03 04:13:40,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447336267] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:13:40,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:13:40,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:13:40,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165646101] [2021-11-03 04:13:40,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:13:40,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:13:40,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:13:40,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:13:40,405 INFO L87 Difference]: Start difference. First operand 57102 states and 75223 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-03 04:13:42,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:14:10,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:14:10,097 INFO L93 Difference]: Finished difference Result 86636 states and 115381 transitions. [2021-11-03 04:14:10,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:14:10,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2021-11-03 04:14:10,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:14:10,287 INFO L225 Difference]: With dead ends: 86636 [2021-11-03 04:14:10,288 INFO L226 Difference]: Without dead ends: 86632 [2021-11-03 04:14:10,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.94ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:14:10,328 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 5917 mSDsluCounter, 11773 mSDsCounter, 0 mSdLazyCounter, 17291 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21385.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5917 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 17305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.91ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 17291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25995.67ms IncrementalHoareTripleChecker+Time [2021-11-03 04:14:10,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5917 Valid, 523 Invalid, 17305 Unknown, 0 Unchecked, 37.91ms Time], IncrementalHoareTripleChecker [14 Valid, 17291 Invalid, 0 Unknown, 0 Unchecked, 25995.67ms Time] [2021-11-03 04:14:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86632 states. [2021-11-03 04:14:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86632 to 84748. [2021-11-03 04:14:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84748 states, 82800 states have (on average 1.2719685990338163) internal successors, (105319), 83427 states have internal predecessors, (105319), 1184 states have call successors, (1184), 512 states have call predecessors, (1184), 512 states have return successors, (6950), 1080 states have call predecessors, (6950), 1184 states have call successors, (6950) [2021-11-03 04:14:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84748 states to 84748 states and 113453 transitions. [2021-11-03 04:14:14,256 INFO L78 Accepts]: Start accepts. Automaton has 84748 states and 113453 transitions. Word has length 52 [2021-11-03 04:14:14,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:14:14,256 INFO L470 AbstractCegarLoop]: Abstraction has 84748 states and 113453 transitions. [2021-11-03 04:14:14,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-11-03 04:14:14,257 INFO L276 IsEmpty]: Start isEmpty. Operand 84748 states and 113453 transitions. [2021-11-03 04:14:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:14:14,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:14:14,258 INFO L514 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] [2021-11-03 04:14:14,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-03 04:14:14,258 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:14:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:14:14,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1126688036, now seen corresponding path program 1 times [2021-11-03 04:14:14,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:14:14,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994443666] [2021-11-03 04:14:14,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:14:14,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:14:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:14:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:14:14,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:14:14,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994443666] [2021-11-03 04:14:14,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994443666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:14:14,648 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:14:14,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:14:14,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133849590] [2021-11-03 04:14:14,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:14:14,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:14:14,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:14:14,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:14:14,650 INFO L87 Difference]: Start difference. First operand 84748 states and 113453 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 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) [2021-11-03 04:14:16,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:14:33,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:14:33,504 INFO L93 Difference]: Finished difference Result 84748 states and 113453 transitions. [2021-11-03 04:14:33,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:14:33,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 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 [2021-11-03 04:14:33,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:14:33,683 INFO L225 Difference]: With dead ends: 84748 [2021-11-03 04:14:33,683 INFO L226 Difference]: Without dead ends: 84744 [2021-11-03 04:14:33,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:14:33,724 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5850 mSDsluCounter, 5819 mSDsCounter, 0 mSdLazyCounter, 11492 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12648.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5850 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.31ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15476.24ms IncrementalHoareTripleChecker+Time [2021-11-03 04:14:33,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5850 Valid, 188 Invalid, 11494 Unknown, 0 Unchecked, 26.31ms Time], IncrementalHoareTripleChecker [2 Valid, 11492 Invalid, 0 Unknown, 0 Unchecked, 15476.24ms Time] [2021-11-03 04:14:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84744 states. [2021-11-03 04:14:37,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84744 to 84744. [2021-11-03 04:14:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84744 states, 82798 states have (on average 1.2719510133095002) internal successors, (105315), 83423 states have internal predecessors, (105315), 1184 states have call successors, (1184), 512 states have call predecessors, (1184), 512 states have return successors, (6950), 1080 states have call predecessors, (6950), 1184 states have call successors, (6950) [2021-11-03 04:14:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84744 states to 84744 states and 113449 transitions. [2021-11-03 04:14:37,616 INFO L78 Accepts]: Start accepts. Automaton has 84744 states and 113449 transitions. Word has length 54 [2021-11-03 04:14:37,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:14:37,616 INFO L470 AbstractCegarLoop]: Abstraction has 84744 states and 113449 transitions. [2021-11-03 04:14:37,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 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) [2021-11-03 04:14:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 84744 states and 113449 transitions. [2021-11-03 04:14:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-03 04:14:37,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:14:37,617 INFO L514 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] [2021-11-03 04:14:37,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-03 04:14:37,618 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:14:37,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:14:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash -414826528, now seen corresponding path program 1 times [2021-11-03 04:14:37,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:14:37,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106578301] [2021-11-03 04:14:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:14:37,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:14:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:14:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:14:38,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:14:38,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106578301] [2021-11-03 04:14:38,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106578301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:14:38,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:14:38,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:14:38,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978574628] [2021-11-03 04:14:38,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:14:38,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:14:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:14:38,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:14:38,018 INFO L87 Difference]: Start difference. First operand 84744 states and 113449 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-03 04:14:56,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:14:56,559 INFO L93 Difference]: Finished difference Result 84744 states and 113449 transitions. [2021-11-03 04:14:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:14:56,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2021-11-03 04:14:56,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:14:56,854 INFO L225 Difference]: With dead ends: 84744 [2021-11-03 04:14:56,855 INFO L226 Difference]: Without dead ends: 84740 [2021-11-03 04:14:56,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.47ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:14:56,882 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5836 mSDsluCounter, 5823 mSDsCounter, 0 mSdLazyCounter, 11492 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12123.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5836 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.59ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14919.14ms IncrementalHoareTripleChecker+Time [2021-11-03 04:14:56,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5836 Valid, 188 Invalid, 11494 Unknown, 0 Unchecked, 21.59ms Time], IncrementalHoareTripleChecker [2 Valid, 11492 Invalid, 0 Unknown, 0 Unchecked, 14919.14ms Time] [2021-11-03 04:14:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84740 states. [2021-11-03 04:15:00,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84740 to 84740. [2021-11-03 04:15:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84740 states, 82796 states have (on average 1.271933426735591) internal successors, (105311), 83419 states have internal predecessors, (105311), 1184 states have call successors, (1184), 512 states have call predecessors, (1184), 512 states have return successors, (6950), 1080 states have call predecessors, (6950), 1184 states have call successors, (6950) [2021-11-03 04:15:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84740 states to 84740 states and 113445 transitions. [2021-11-03 04:15:01,106 INFO L78 Accepts]: Start accepts. Automaton has 84740 states and 113445 transitions. Word has length 56 [2021-11-03 04:15:01,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:15:01,107 INFO L470 AbstractCegarLoop]: Abstraction has 84740 states and 113445 transitions. [2021-11-03 04:15:01,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-03 04:15:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 84740 states and 113445 transitions. [2021-11-03 04:15:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 04:15:01,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:15:01,108 INFO L514 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] [2021-11-03 04:15:01,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-03 04:15:01,109 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:15:01,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:15:01,109 INFO L85 PathProgramCache]: Analyzing trace with hash 784282948, now seen corresponding path program 1 times [2021-11-03 04:15:01,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:15:01,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108027832] [2021-11-03 04:15:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:15:01,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:15:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:15:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:01,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:15:01,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108027832] [2021-11-03 04:15:01,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108027832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:15:01,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:15:01,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:15:01,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61550495] [2021-11-03 04:15:01,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:15:01,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:15:01,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:15:01,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:15:01,245 INFO L87 Difference]: Start difference. First operand 84740 states and 113445 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) [2021-11-03 04:15:02,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-03 04:15:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:15:21,457 INFO L93 Difference]: Finished difference Result 84740 states and 113445 transitions. [2021-11-03 04:15:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:15:21,458 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 [2021-11-03 04:15:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:15:21,619 INFO L225 Difference]: With dead ends: 84740 [2021-11-03 04:15:21,620 INFO L226 Difference]: Without dead ends: 84736 [2021-11-03 04:15:21,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.67ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:15:21,654 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 5822 mSDsluCounter, 5827 mSDsCounter, 0 mSdLazyCounter, 11492 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13309.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5822 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.39ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16214.29ms IncrementalHoareTripleChecker+Time [2021-11-03 04:15:21,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5822 Valid, 188 Invalid, 11494 Unknown, 0 Unchecked, 22.39ms Time], IncrementalHoareTripleChecker [2 Valid, 11492 Invalid, 0 Unknown, 0 Unchecked, 16214.29ms Time] [2021-11-03 04:15:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84736 states. [2021-11-03 04:15:25,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84736 to 84736. [2021-11-03 04:15:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84736 states, 82794 states have (on average 1.2719158393120273) internal successors, (105307), 83415 states have internal predecessors, (105307), 1184 states have call successors, (1184), 512 states have call predecessors, (1184), 512 states have return successors, (6950), 1080 states have call predecessors, (6950), 1184 states have call successors, (6950) [2021-11-03 04:15:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84736 states to 84736 states and 113441 transitions. [2021-11-03 04:15:25,857 INFO L78 Accepts]: Start accepts. Automaton has 84736 states and 113441 transitions. Word has length 58 [2021-11-03 04:15:25,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:15:25,857 INFO L470 AbstractCegarLoop]: Abstraction has 84736 states and 113441 transitions. [2021-11-03 04:15:25,857 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) [2021-11-03 04:15:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 84736 states and 113441 transitions. [2021-11-03 04:15:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 04:15:25,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-03 04:15:25,858 INFO L514 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] [2021-11-03 04:15:25,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-03 04:15:25,858 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ppp_pushErr0ASSERT_VIOLATIONERROR_FUNCTION, ppp_pushErr1ASSERT_VIOLATIONERROR_FUNCTION, ppp_disconnect_channelErr0ASSERT_VIOLATIONERROR_FUNCTION (and 272 more)] === [2021-11-03 04:15:25,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:15:25,859 INFO L85 PathProgramCache]: Analyzing trace with hash 117043517, now seen corresponding path program 1 times [2021-11-03 04:15:25,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-03 04:15:25,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817120574] [2021-11-03 04:15:25,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:15:25,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:15:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:15:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:26,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-03 04:15:26,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817120574] [2021-11-03 04:15:26,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817120574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:15:26,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:15:26,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-03 04:15:26,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177842121] [2021-11-03 04:15:26,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:15:26,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-03 04:15:26,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:15:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:15:26,092 INFO L87 Difference]: Start difference. First operand 84736 states and 113441 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 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) [2021-11-03 04:15:28,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []