/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:56:01,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:56:01,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:56:01,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:56:01,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:56:01,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:56:01,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:56:01,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:56:01,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:56:01,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:56:01,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:56:01,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:56:01,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:56:01,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:56:01,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:56:01,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:56:01,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:56:01,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:56:01,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:56:01,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:56:01,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:56:01,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:56:01,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:56:01,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:56:01,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:56:01,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:56:01,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:56:01,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:56:01,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:56:01,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:56:01,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:56:01,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:56:01,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:56:01,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:56:01,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:56:01,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:56:01,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:56:01,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:56:01,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:56:01,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:56:01,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:56:01,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:56:01,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:56:01,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:56:01,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:56:01,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:56:01,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:56:01,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:56:01,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:56:01,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:56:01,552 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:56:01,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:56:01,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:56:01,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:56:01,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:56:01,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:56:01,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:56:01,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:56:01,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:56:01,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:56:01,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:56:01,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:56:01,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:56:01,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:56:01,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:56:01,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:56:01,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:56:01,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:56:01,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:56:01,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:56:01,979 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:56:01,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-16 13:56:02,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a657abf/f002836d621340f2a6dd0c3266c8d468/FLAGe42e5837e [2022-10-16 13:56:03,372 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:56:03,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-16 13:56:03,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a657abf/f002836d621340f2a6dd0c3266c8d468/FLAGe42e5837e [2022-10-16 13:56:04,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3a657abf/f002836d621340f2a6dd0c3266c8d468 [2022-10-16 13:56:04,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:56:04,014 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:56:04,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:56:04,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:56:04,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:56:04,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:56:04" (1/1) ... [2022-10-16 13:56:04,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc6d2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:04, skipping insertion in model container [2022-10-16 13:56:04,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:56:04" (1/1) ... [2022-10-16 13:56:04,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:56:04,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:56:10,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[497955,497968] [2022-10-16 13:56:10,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[498529,498542] [2022-10-16 13:56:10,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[499728,499741] [2022-10-16 13:56:10,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500436,500449] [2022-10-16 13:56:10,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500877,500890] [2022-10-16 13:56:10,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501109,501122] [2022-10-16 13:56:10,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501687,501700] [2022-10-16 13:56:10,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502277,502290] [2022-10-16 13:56:10,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502694,502707] [2022-10-16 13:56:10,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503091,503104] [2022-10-16 13:56:10,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503326,503339] [2022-10-16 13:56:10,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504074,504087] [2022-10-16 13:56:10,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504495,504508] [2022-10-16 13:56:10,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505122,505135] [2022-10-16 13:56:10,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505537,505550] [2022-10-16 13:56:10,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506181,506194] [2022-10-16 13:56:10,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506911,506924] [2022-10-16 13:56:10,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[507747,507760] [2022-10-16 13:56:10,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509093,509106] [2022-10-16 13:56:10,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509491,509504] [2022-10-16 13:56:10,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510048,510061] [2022-10-16 13:56:11,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510431,510444] [2022-10-16 13:56:11,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511047,511060] [2022-10-16 13:56:11,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511621,511634] [2022-10-16 13:56:11,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512534,512547] [2022-10-16 13:56:11,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512925,512938] [2022-10-16 13:56:11,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513154,513167] [2022-10-16 13:56:11,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513560,513573] [2022-10-16 13:56:11,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514417,514430] [2022-10-16 13:56:11,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514824,514837] [2022-10-16 13:56:11,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:56:11,102 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:56:11,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[497955,497968] [2022-10-16 13:56:11,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[498529,498542] [2022-10-16 13:56:11,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[499728,499741] [2022-10-16 13:56:11,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500436,500449] [2022-10-16 13:56:11,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[500877,500890] [2022-10-16 13:56:11,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501109,501122] [2022-10-16 13:56:11,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[501687,501700] [2022-10-16 13:56:11,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502277,502290] [2022-10-16 13:56:11,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[502694,502707] [2022-10-16 13:56:11,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503091,503104] [2022-10-16 13:56:11,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[503326,503339] [2022-10-16 13:56:11,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504074,504087] [2022-10-16 13:56:11,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[504495,504508] [2022-10-16 13:56:11,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505122,505135] [2022-10-16 13:56:11,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[505537,505550] [2022-10-16 13:56:11,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506181,506194] [2022-10-16 13:56:11,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[506911,506924] [2022-10-16 13:56:11,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[507747,507760] [2022-10-16 13:56:11,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509093,509106] [2022-10-16 13:56:11,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[509491,509504] [2022-10-16 13:56:11,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510048,510061] [2022-10-16 13:56:11,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[510431,510444] [2022-10-16 13:56:11,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511047,511060] [2022-10-16 13:56:11,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[511621,511634] [2022-10-16 13:56:11,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512534,512547] [2022-10-16 13:56:11,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[512925,512938] [2022-10-16 13:56:11,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513154,513167] [2022-10-16 13:56:11,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[513560,513573] [2022-10-16 13:56:11,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514417,514430] [2022-10-16 13:56:11,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c[514824,514837] [2022-10-16 13:56:11,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:56:12,242 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:56:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12 WrapperNode [2022-10-16 13:56:12,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:56:12,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:56:12,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:56:12,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:56:12,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:12,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:12,806 INFO L138 Inliner]: procedures = 801, calls = 2990, calls flagged for inlining = 304, calls inlined = 229, statements flattened = 7008 [2022-10-16 13:56:12,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:56:12,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:56:12,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:56:12,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:56:12,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:12,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:12,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:12,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:56:13,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:56:13,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:56:13,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:56:13,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (1/1) ... [2022-10-16 13:56:13,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:56:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:56:13,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:56:13,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:56:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-10-16 13:56:13,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-10-16 13:56:13,501 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-16 13:56:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-16 13:56:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-16 13:56:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-16 13:56:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-16 13:56:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iter [2022-10-16 13:56:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-10-16 13:56:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-10-16 13:56:13,504 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-10-16 13:56:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-10-16 13:56:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 13:56:13,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 13:56:13,505 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-10-16 13:56:13,506 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-10-16 13:56:13,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-10-16 13:56:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:56:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:56:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-16 13:56:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:56:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:56:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 13:56:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 13:56:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2022-10-16 13:56:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2022-10-16 13:56:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-10-16 13:56:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-10-16 13:56:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-10-16 13:56:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-10-16 13:56:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-16 13:56:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2022-10-16 13:56:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:56:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:56:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:56:13,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:56:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2022-10-16 13:56:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-10-16 13:56:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-10-16 13:56:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-10-16 13:56:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2022-10-16 13:56:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2022-10-16 13:56:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:56:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:56:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:56:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:56:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:56:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-10-16 13:56:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-10-16 13:56:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-10-16 13:56:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-10-16 13:56:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 13:56:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 13:56:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 13:56:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 13:56:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:56:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:56:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 13:56:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 13:56:13,514 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-10-16 13:56:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-10-16 13:56:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:56:13,515 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 13:56:13,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:56:13,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-16 13:56:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-16 13:56:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-10-16 13:56:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-10-16 13:56:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 13:56:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 13:56:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:56:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-10-16 13:56:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-16 13:56:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:56:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-16 13:56:13,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-16 13:56:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-10-16 13:56:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-10-16 13:56:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2022-10-16 13:56:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-10-16 13:56:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-10-16 13:56:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2022-10-16 13:56:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2022-10-16 13:56:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:56:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:56:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:56:13,530 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:56:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-16 13:56:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:56:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-10-16 13:56:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-10-16 13:56:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-10-16 13:56:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-10-16 13:56:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-10-16 13:56:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-16 13:56:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-16 13:56:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2022-10-16 13:56:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-10-16 13:56:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-10-16 13:56:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-16 13:56:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-16 13:56:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-10-16 13:56:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:56:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:56:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 13:56:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 13:56:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:56:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:56:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:56:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:56:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:56:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:56:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:56:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-10-16 13:56:13,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-10-16 13:56:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:56:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-16 13:56:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-10-16 13:56:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-10-16 13:56:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2022-10-16 13:56:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:56:13,534 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:56:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-10-16 13:56:13,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-10-16 13:56:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-10-16 13:56:13,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-10-16 13:56:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-10-16 13:56:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2022-10-16 13:56:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:56:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-16 13:56:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-10-16 13:56:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-10-16 13:56:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-10-16 13:56:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-10-16 13:56:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:56:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:56:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2022-10-16 13:56:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2022-10-16 13:56:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-10-16 13:56:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-10-16 13:56:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:56:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:56:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:56:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:56:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-10-16 13:56:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 13:56:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 13:56:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-10-16 13:56:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-10-16 13:56:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure iov_iter_init [2022-10-16 13:56:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 13:56:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 13:56:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-16 13:56:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:56:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:56:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:56:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-16 13:56:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:56:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:56:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-10-16 13:56:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-16 13:56:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:56:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2022-10-16 13:56:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-10-16 13:56:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-10-16 13:56:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-10-16 13:56:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-10-16 13:56:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:56:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:56:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-10-16 13:56:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-10-16 13:56:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-10-16 13:56:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-10-16 13:56:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2022-10-16 13:56:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-10-16 13:56:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:56:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:56:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 13:56:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 13:56:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 13:56:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 13:56:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-16 13:56:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2022-10-16 13:56:13,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2022-10-16 13:56:13,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:56:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:56:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-10-16 13:56:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-10-16 13:56:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:56:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:56:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:56:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:56:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-16 13:56:13,552 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-16 13:56:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-10-16 13:56:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:56:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-16 13:56:13,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-16 13:56:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-16 13:56:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:56:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:56:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 13:56:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-16 13:56:13,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-10-16 13:56:13,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-10-16 13:56:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:56:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2022-10-16 13:56:13,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:56:13,555 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2022-10-16 13:56:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 13:56:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:56:13,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:56:13,556 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-10-16 13:56:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-10-16 13:56:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-10-16 13:56:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-10-16 13:56:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-16 13:56:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2022-10-16 13:56:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2022-10-16 13:56:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-10-16 13:56:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-10-16 13:56:13,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:56:13,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:56:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:56:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:56:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-10-16 13:56:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-10-16 13:56:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2022-10-16 13:56:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2022-10-16 13:56:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-10-16 13:56:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-10-16 13:56:13,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-10-16 13:56:13,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:56:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-10-16 13:56:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:56:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:56:13,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-16 13:56:13,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-10-16 13:56:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:56:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2022-10-16 13:56:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:56:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:56:13,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:56:13,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:56:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-10-16 13:56:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-10-16 13:56:13,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-10-16 13:56:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-10-16 13:56:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 13:56:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:56:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-16 13:56:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2022-10-16 13:56:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:56:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-16 13:56:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-16 13:56:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-10-16 13:56:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:56:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 13:56:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:56:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-10-16 13:56:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-10-16 13:56:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 13:56:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-10-16 13:56:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:56:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2022-10-16 13:56:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2022-10-16 13:56:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-10-16 13:56:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-10-16 13:56:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-16 13:56:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 13:56:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 13:56:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 13:56:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 13:56:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 13:56:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:56:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2022-10-16 13:56:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 13:56:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-10-16 13:56:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-10-16 13:56:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-10-16 13:56:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:56:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-10-16 13:56:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-10-16 13:56:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2022-10-16 13:56:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2022-10-16 13:56:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2022-10-16 13:56:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-10-16 13:56:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-10-16 13:56:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-10-16 13:56:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-10-16 13:56:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:56:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:56:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:56:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:56:13,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:56:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-10-16 13:56:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-10-16 13:56:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-10-16 13:56:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-10-16 13:56:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:56:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:56:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-16 13:56:13,570 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-10-16 13:56:13,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-10-16 13:56:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 13:56:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 13:56:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:56:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:56:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 13:56:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 13:56:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-16 13:56:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-16 13:56:13,571 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 13:56:13,571 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 13:56:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 13:56:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-16 13:56:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-10-16 13:56:13,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-10-16 13:56:13,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 13:56:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 13:56:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:56:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:56:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2022-10-16 13:56:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-10-16 13:56:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-10-16 13:56:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-10-16 13:56:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-10-16 13:56:13,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:56:13,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 13:56:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-10-16 13:56:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-10-16 13:56:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:56:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:56:13,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-16 13:56:13,574 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-16 13:56:14,490 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:56:14,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:56:22,059 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:56:22,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:56:22,102 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-10-16 13:56:22,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:56:22 BoogieIcfgContainer [2022-10-16 13:56:22,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:56:22,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:56:22,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:56:22,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:56:22,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:56:04" (1/3) ... [2022-10-16 13:56:22,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bee95a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:56:22, skipping insertion in model container [2022-10-16 13:56:22,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:56:12" (2/3) ... [2022-10-16 13:56:22,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bee95a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:56:22, skipping insertion in model container [2022-10-16 13:56:22,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:56:22" (3/3) ... [2022-10-16 13:56:22,125 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.c [2022-10-16 13:56:22,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:56:22,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 160 error locations. [2022-10-16 13:56:22,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:56:22,334 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c2108e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:56:22,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 160 error locations. [2022-10-16 13:56:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand has 2735 states, 1828 states have (on average 1.3955142231947484) internal successors, (2551), 2086 states have internal predecessors, (2551), 579 states have call successors, (579), 169 states have call predecessors, (579), 169 states have return successors, (579), 562 states have call predecessors, (579), 579 states have call successors, (579) [2022-10-16 13:56:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:56:22,386 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:22,387 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:22,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:56:22,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:22,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1700596569, now seen corresponding path program 1 times [2022-10-16 13:56:22,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:22,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200354311] [2022-10-16 13:56:22,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:22,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:56:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:56:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:56:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:56:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:56:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:56:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:56:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:56:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 13:56:23,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:23,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200354311] [2022-10-16 13:56:23,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200354311] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:23,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:23,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:56:23,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826477543] [2022-10-16 13:56:23,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:23,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:56:23,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:23,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:56:23,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:56:23,457 INFO L87 Difference]: Start difference. First operand has 2735 states, 1828 states have (on average 1.3955142231947484) internal successors, (2551), 2086 states have internal predecessors, (2551), 579 states have call successors, (579), 169 states have call predecessors, (579), 169 states have return successors, (579), 562 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:56:32,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:32,509 INFO L93 Difference]: Finished difference Result 6084 states and 8764 transitions. [2022-10-16 13:56:32,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:56:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-10-16 13:56:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:32,580 INFO L225 Difference]: With dead ends: 6084 [2022-10-16 13:56:32,580 INFO L226 Difference]: Without dead ends: 3096 [2022-10-16 13:56:32,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:56:32,628 INFO L413 NwaCegarLoop]: 3225 mSDtfsCounter, 6983 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 3305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7029 SdHoareTripleChecker+Valid, 3924 SdHoareTripleChecker+Invalid, 6064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3305 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:32,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7029 Valid, 3924 Invalid, 6064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3305 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-10-16 13:56:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2022-10-16 13:56:32,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2396. [2022-10-16 13:56:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 1650 states have (on average 1.3666666666666667) internal successors, (2255), 1847 states have internal predecessors, (2255), 478 states have call successors, (478), 124 states have call predecessors, (478), 124 states have return successors, (478), 462 states have call predecessors, (478), 478 states have call successors, (478) [2022-10-16 13:56:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3211 transitions. [2022-10-16 13:56:33,032 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3211 transitions. Word has length 85 [2022-10-16 13:56:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:33,033 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3211 transitions. [2022-10-16 13:56:33,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:56:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3211 transitions. [2022-10-16 13:56:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 13:56:33,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:33,043 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:33,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:56:33,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting net_genericErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:56:33,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:33,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2042638573, now seen corresponding path program 1 times [2022-10-16 13:56:33,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:33,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453028922] [2022-10-16 13:56:33,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:33,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:56:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:56:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:56:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:56:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:56:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:56:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:56:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:56:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-10-16 13:56:34,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:34,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453028922] [2022-10-16 13:56:34,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453028922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:34,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:34,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:56:34,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717388406] [2022-10-16 13:56:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:34,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:56:34,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:34,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:56:34,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:56:34,032 INFO L87 Difference]: Start difference. First operand 2396 states and 3211 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:56:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:50,067 INFO L93 Difference]: Finished difference Result 4849 states and 6615 transitions. [2022-10-16 13:56:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:56:50,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-10-16 13:56:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:50,105 INFO L225 Difference]: With dead ends: 4849 [2022-10-16 13:56:50,105 INFO L226 Difference]: Without dead ends: 4847 [2022-10-16 13:56:50,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:56:50,109 INFO L413 NwaCegarLoop]: 2984 mSDtfsCounter, 12123 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 6497 mSolverCounterSat, 5226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12231 SdHoareTripleChecker+Valid, 3758 SdHoareTripleChecker+Invalid, 11723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5226 IncrementalHoareTripleChecker+Valid, 6497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:50,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12231 Valid, 3758 Invalid, 11723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5226 Valid, 6497 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-10-16 13:56:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2022-10-16 13:56:50,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 3775. [2022-10-16 13:56:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3775 states, 2665 states have (on average 1.372983114446529) internal successors, (3659), 2900 states have internal predecessors, (3659), 755 states have call successors, (755), 214 states have call predecessors, (755), 211 states have return successors, (794), 715 states have call predecessors, (794), 755 states have call successors, (794) [2022-10-16 13:56:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 5208 transitions. [2022-10-16 13:56:50,381 INFO L78 Accepts]: Start accepts. Automaton has 3775 states and 5208 transitions. Word has length 85 [2022-10-16 13:56:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:50,382 INFO L495 AbstractCegarLoop]: Abstraction has 3775 states and 5208 transitions. [2022-10-16 13:56:50,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 13:56:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3775 states and 5208 transitions. [2022-10-16 13:56:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 13:56:50,385 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:50,385 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:50,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:56:50,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting net_genericErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:56:50,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1972357057, now seen corresponding path program 1 times [2022-10-16 13:56:50,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:50,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751549094] [2022-10-16 13:56:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:50,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:56:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:56:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:56:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:56:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:56:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:56:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:56:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:56:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:56:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:56:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:56:51,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:51,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751549094] [2022-10-16 13:56:51,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751549094] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:56:51,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855451693] [2022-10-16 13:56:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:56:51,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:56:51,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:56:51,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:56:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:52,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2118 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:56:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:56:52,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 13:56:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:56:52,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:56:52,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855451693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:52,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:56:52,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2022-10-16 13:56:52,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408683653] [2022-10-16 13:56:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:52,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:56:52,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:52,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:56:52,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:56:52,904 INFO L87 Difference]: Start difference. First operand 3775 states and 5208 transitions. Second operand has 6 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:56:54,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:54,690 INFO L93 Difference]: Finished difference Result 4029 states and 5498 transitions. [2022-10-16 13:56:54,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:56:54,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2022-10-16 13:56:54,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:54,726 INFO L225 Difference]: With dead ends: 4029 [2022-10-16 13:56:54,726 INFO L226 Difference]: Without dead ends: 4027 [2022-10-16 13:56:54,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:56:54,738 INFO L413 NwaCegarLoop]: 3254 mSDtfsCounter, 297 mSDsluCounter, 12534 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 15788 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:54,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 15788 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 13:56:54,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-10-16 13:56:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 4006. [2022-10-16 13:56:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 2830 states have (on average 1.3586572438162545) internal successors, (3845), 3068 states have internal predecessors, (3845), 800 states have call successors, (800), 240 states have call predecessors, (800), 232 states have return successors, (839), 754 states have call predecessors, (839), 800 states have call successors, (839) [2022-10-16 13:56:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 5484 transitions. [2022-10-16 13:56:55,083 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 5484 transitions. Word has length 103 [2022-10-16 13:56:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:55,084 INFO L495 AbstractCegarLoop]: Abstraction has 4006 states and 5484 transitions. [2022-10-16 13:56:55,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:56:55,084 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 5484 transitions. [2022-10-16 13:56:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 13:56:55,086 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:55,086 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:55,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:56:55,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:56:55,302 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting net_genericErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:56:55,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:55,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1482655787, now seen corresponding path program 1 times [2022-10-16 13:56:55,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:55,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794315611] [2022-10-16 13:56:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:55,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:56:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:56:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:56:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:56:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:56:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:56:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:56:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:56:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:56:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:56:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:56:56,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:56,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794315611] [2022-10-16 13:56:56,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794315611] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:56:56,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739977579] [2022-10-16 13:56:56,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:56:56,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:56:56,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:56:56,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:56:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:57,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:56:57,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:56:57,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 13:56:57,425 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:56:57,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:56:57,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739977579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:57,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:56:57,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2022-10-16 13:56:57,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296756436] [2022-10-16 13:56:57,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:57,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:56:57,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:57,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:56:57,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:56:57,428 INFO L87 Difference]: Start difference. First operand 4006 states and 5484 transitions. Second operand has 6 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:56:59,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:59,656 INFO L93 Difference]: Finished difference Result 4027 states and 5496 transitions. [2022-10-16 13:56:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:56:59,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 104 [2022-10-16 13:56:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:59,686 INFO L225 Difference]: With dead ends: 4027 [2022-10-16 13:56:59,686 INFO L226 Difference]: Without dead ends: 4026 [2022-10-16 13:56:59,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:56:59,691 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 285 mSDsluCounter, 12547 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 15813 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:59,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 15813 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:56:59,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4026 states. [2022-10-16 13:56:59,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4026 to 4006. [2022-10-16 13:56:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 2830 states have (on average 1.358303886925795) internal successors, (3844), 3068 states have internal predecessors, (3844), 800 states have call successors, (800), 240 states have call predecessors, (800), 232 states have return successors, (839), 754 states have call predecessors, (839), 800 states have call successors, (839) [2022-10-16 13:56:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 5483 transitions. [2022-10-16 13:56:59,953 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 5483 transitions. Word has length 104 [2022-10-16 13:56:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:59,954 INFO L495 AbstractCegarLoop]: Abstraction has 4006 states and 5483 transitions. [2022-10-16 13:56:59,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:56:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 5483 transitions. [2022-10-16 13:56:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 13:56:59,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:59,957 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:00,005 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:00,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 13:57:00,171 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting net_genericErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:00,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:00,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1282309013, now seen corresponding path program 1 times [2022-10-16 13:57:00,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:00,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090479953] [2022-10-16 13:57:00,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:57:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:57:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:57:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:57:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:57:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:57:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:57:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,141 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:57:01,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:01,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090479953] [2022-10-16 13:57:01,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090479953] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:01,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547199802] [2022-10-16 13:57:01,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:01,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:01,143 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:01,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:57:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:01,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2086 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:57:01,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:02,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-16 13:57:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:57:02,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:02,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547199802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:02,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:02,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2022-10-16 13:57:02,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197012905] [2022-10-16 13:57:02,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:02,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:57:02,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:57:02,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:57:02,117 INFO L87 Difference]: Start difference. First operand 4006 states and 5483 transitions. Second operand has 6 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:03,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:03,826 INFO L93 Difference]: Finished difference Result 4026 states and 5495 transitions. [2022-10-16 13:57:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:57:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 105 [2022-10-16 13:57:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:03,859 INFO L225 Difference]: With dead ends: 4026 [2022-10-16 13:57:03,859 INFO L226 Difference]: Without dead ends: 4025 [2022-10-16 13:57:03,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:57:03,864 INFO L413 NwaCegarLoop]: 3269 mSDtfsCounter, 279 mSDsluCounter, 12551 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 15820 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:03,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 15820 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 13:57:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2022-10-16 13:57:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 4006. [2022-10-16 13:57:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4006 states, 2830 states have (on average 1.3579505300353356) internal successors, (3843), 3068 states have internal predecessors, (3843), 800 states have call successors, (800), 240 states have call predecessors, (800), 232 states have return successors, (839), 754 states have call predecessors, (839), 800 states have call successors, (839) [2022-10-16 13:57:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 4006 states and 5482 transitions. [2022-10-16 13:57:04,184 INFO L78 Accepts]: Start accepts. Automaton has 4006 states and 5482 transitions. Word has length 105 [2022-10-16 13:57:04,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:04,186 INFO L495 AbstractCegarLoop]: Abstraction has 4006 states and 5482 transitions. [2022-10-16 13:57:04,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4006 states and 5482 transitions. [2022-10-16 13:57:04,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 13:57:04,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:04,191 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:04,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 13:57:04,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:04,408 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting net_genericErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:04,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:04,409 INFO L85 PathProgramCache]: Analyzing trace with hash 408368233, now seen corresponding path program 1 times [2022-10-16 13:57:04,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:04,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233235144] [2022-10-16 13:57:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:57:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:57:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:57:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:57:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:57:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:57:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:57:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:57:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:57:05,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:05,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233235144] [2022-10-16 13:57:05,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233235144] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:05,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167452549] [2022-10-16 13:57:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:05,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:05,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:05,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:57:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:06,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:57:06,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:57:06,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:06,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167452549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:06,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:06,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2022-10-16 13:57:06,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226827547] [2022-10-16 13:57:06,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:06,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:57:06,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:06,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:57:06,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:06,407 INFO L87 Difference]: Start difference. First operand 4006 states and 5482 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:06,697 INFO L93 Difference]: Finished difference Result 4012 states and 5486 transitions. [2022-10-16 13:57:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:57:06,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 107 [2022-10-16 13:57:06,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:06,729 INFO L225 Difference]: With dead ends: 4012 [2022-10-16 13:57:06,729 INFO L226 Difference]: Without dead ends: 4010 [2022-10-16 13:57:06,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:06,737 INFO L413 NwaCegarLoop]: 3204 mSDtfsCounter, 3189 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 3222 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:06,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 3222 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:57:06,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4010 states. [2022-10-16 13:57:07,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4010 to 4010. [2022-10-16 13:57:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4010 states, 2834 states have (on average 1.3553281580804517) internal successors, (3841), 3070 states have internal predecessors, (3841), 800 states have call successors, (800), 242 states have call predecessors, (800), 234 states have return successors, (839), 754 states have call predecessors, (839), 800 states have call successors, (839) [2022-10-16 13:57:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 4010 states and 5480 transitions. [2022-10-16 13:57:07,057 INFO L78 Accepts]: Start accepts. Automaton has 4010 states and 5480 transitions. Word has length 107 [2022-10-16 13:57:07,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:07,058 INFO L495 AbstractCegarLoop]: Abstraction has 4010 states and 5480 transitions. [2022-10-16 13:57:07,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:07,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4010 states and 5480 transitions. [2022-10-16 13:57:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 13:57:07,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:07,065 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:07,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:07,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:07,279 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting net_genericErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:07,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:07,280 INFO L85 PathProgramCache]: Analyzing trace with hash -225484806, now seen corresponding path program 1 times [2022-10-16 13:57:07,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:07,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035412771] [2022-10-16 13:57:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:57:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:57:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:57:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:57:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:57:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:57:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:57:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-10-16 13:57:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-10-16 13:57:08,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:08,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035412771] [2022-10-16 13:57:08,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035412771] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:08,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985881403] [2022-10-16 13:57:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:08,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:08,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:57:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:09,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:57:09,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 13:57:09,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:09,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985881403] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:09,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:09,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [12] total 14 [2022-10-16 13:57:09,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515489787] [2022-10-16 13:57:09,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:09,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:57:09,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:57:09,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:09,352 INFO L87 Difference]: Start difference. First operand 4010 states and 5480 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:11,380 INFO L93 Difference]: Finished difference Result 4010 states and 5480 transitions. [2022-10-16 13:57:11,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:57:11,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 108 [2022-10-16 13:57:11,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:11,409 INFO L225 Difference]: With dead ends: 4010 [2022-10-16 13:57:11,409 INFO L226 Difference]: Without dead ends: 4008 [2022-10-16 13:57:11,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:11,414 INFO L413 NwaCegarLoop]: 3202 mSDtfsCounter, 3139 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 5431 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:11,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 5431 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 13:57:11,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2022-10-16 13:57:11,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3972. [2022-10-16 13:57:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3972 states, 2808 states have (on average 1.3557692307692308) internal successors, (3807), 3042 states have internal predecessors, (3807), 790 states have call successors, (790), 235 states have call predecessors, (790), 234 states have return successors, (829), 751 states have call predecessors, (829), 790 states have call successors, (829) [2022-10-16 13:57:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3972 states to 3972 states and 5426 transitions. [2022-10-16 13:57:11,708 INFO L78 Accepts]: Start accepts. Automaton has 3972 states and 5426 transitions. Word has length 108 [2022-10-16 13:57:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:11,708 INFO L495 AbstractCegarLoop]: Abstraction has 3972 states and 5426 transitions. [2022-10-16 13:57:11,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 13:57:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3972 states and 5426 transitions. [2022-10-16 13:57:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-16 13:57:11,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:11,713 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:11,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:11,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:11,927 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:11,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:11,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1198551099, now seen corresponding path program 1 times [2022-10-16 13:57:11,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:11,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539973468] [2022-10-16 13:57:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:57:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:57:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:57:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:57:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:57:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:57:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:57:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:57:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:57:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:57:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:57:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:57:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:57:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 13:57:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 13:57:13,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:13,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539973468] [2022-10-16 13:57:13,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539973468] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:13,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000973865] [2022-10-16 13:57:13,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:13,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:13,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:13,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:57:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:14,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 2606 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 13:57:14,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2022-10-16 13:57:14,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:14,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000973865] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:14,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:14,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 19 [2022-10-16 13:57:14,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004833051] [2022-10-16 13:57:14,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:14,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 13:57:14,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:14,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 13:57:14,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:57:14,404 INFO L87 Difference]: Start difference. First operand 3972 states and 5426 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-10-16 13:57:15,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:15,564 INFO L93 Difference]: Finished difference Result 7826 states and 10760 transitions. [2022-10-16 13:57:15,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 13:57:15,565 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) Word has length 189 [2022-10-16 13:57:15,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:15,594 INFO L225 Difference]: With dead ends: 7826 [2022-10-16 13:57:15,594 INFO L226 Difference]: Without dead ends: 4127 [2022-10-16 13:57:15,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-10-16 13:57:15,620 INFO L413 NwaCegarLoop]: 3261 mSDtfsCounter, 214 mSDsluCounter, 35436 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 38697 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:15,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 38697 Invalid, 871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [126 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 13:57:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4127 states. [2022-10-16 13:57:15,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4127 to 3987. [2022-10-16 13:57:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3987 states, 2822 states have (on average 1.3522324592487598) internal successors, (3816), 3051 states have internal predecessors, (3816), 789 states have call successors, (789), 235 states have call predecessors, (789), 236 states have return successors, (832), 757 states have call predecessors, (832), 789 states have call successors, (832) [2022-10-16 13:57:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5437 transitions. [2022-10-16 13:57:15,965 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5437 transitions. Word has length 189 [2022-10-16 13:57:15,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:15,966 INFO L495 AbstractCegarLoop]: Abstraction has 3987 states and 5437 transitions. [2022-10-16 13:57:15,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 5 states have call successors, (24), 2 states have call predecessors, (24), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-10-16 13:57:15,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5437 transitions. [2022-10-16 13:57:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-16 13:57:15,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:15,971 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:16,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:16,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:16,185 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1647247738, now seen corresponding path program 1 times [2022-10-16 13:57:16,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:16,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030502535] [2022-10-16 13:57:16,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:16,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:57:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:57:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:57:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:57:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:57:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:57:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:57:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:57:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:57:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:57:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:57:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:57:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:57:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 13:57:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-10-16 13:57:16,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:16,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030502535] [2022-10-16 13:57:16,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030502535] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:16,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:16,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:57:16,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069760283] [2022-10-16 13:57:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:16,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:57:16,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:57:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:57:16,720 INFO L87 Difference]: Start difference. First operand 3987 states and 5437 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-10-16 13:57:20,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:20,290 INFO L93 Difference]: Finished difference Result 8416 states and 11815 transitions. [2022-10-16 13:57:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:57:20,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 189 [2022-10-16 13:57:20,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:20,321 INFO L225 Difference]: With dead ends: 8416 [2022-10-16 13:57:20,321 INFO L226 Difference]: Without dead ends: 4709 [2022-10-16 13:57:20,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:57:20,348 INFO L413 NwaCegarLoop]: 3080 mSDtfsCounter, 1391 mSDsluCounter, 3675 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 6755 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:20,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 6755 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 1623 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-16 13:57:20,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2022-10-16 13:57:20,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 3989. [2022-10-16 13:57:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3989 states, 2824 states have (on average 1.3519830028328612) internal successors, (3818), 3053 states have internal predecessors, (3818), 789 states have call successors, (789), 235 states have call predecessors, (789), 236 states have return successors, (832), 757 states have call predecessors, (832), 789 states have call successors, (832) [2022-10-16 13:57:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 3989 states and 5439 transitions. [2022-10-16 13:57:20,650 INFO L78 Accepts]: Start accepts. Automaton has 3989 states and 5439 transitions. Word has length 189 [2022-10-16 13:57:20,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:20,654 INFO L495 AbstractCegarLoop]: Abstraction has 3989 states and 5439 transitions. [2022-10-16 13:57:20,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-10-16 13:57:20,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3989 states and 5439 transitions. [2022-10-16 13:57:20,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-10-16 13:57:20,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:20,658 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:20,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:57:20,659 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash 402140104, now seen corresponding path program 1 times [2022-10-16 13:57:20,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:20,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754459684] [2022-10-16 13:57:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:20,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 13:57:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:57:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:57:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:57:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:57:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-16 13:57:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-10-16 13:57:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-16 13:57:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-16 13:57:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-16 13:57:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-10-16 13:57:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-16 13:57:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:57:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 13:57:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 13:57:21,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:21,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754459684] [2022-10-16 13:57:21,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754459684] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:21,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368191028] [2022-10-16 13:57:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:21,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:21,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:21,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:21,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:57:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:22,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 2606 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-16 13:57:22,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-10-16 13:57:22,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:22,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368191028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:22,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:22,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 10 [2022-10-16 13:57:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435580552] [2022-10-16 13:57:22,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:22,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:57:22,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:22,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:57:22,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:57:22,750 INFO L87 Difference]: Start difference. First operand 3989 states and 5439 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-10-16 13:57:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:23,511 INFO L93 Difference]: Finished difference Result 7857 states and 10768 transitions. [2022-10-16 13:57:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:57:23,511 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 189 [2022-10-16 13:57:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:23,529 INFO L225 Difference]: With dead ends: 7857 [2022-10-16 13:57:23,529 INFO L226 Difference]: Without dead ends: 4121 [2022-10-16 13:57:23,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:57:23,549 INFO L413 NwaCegarLoop]: 3237 mSDtfsCounter, 311 mSDsluCounter, 22395 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 25632 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:23,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 25632 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 13:57:23,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4121 states. [2022-10-16 13:57:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4121 to 4007. [2022-10-16 13:57:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4007 states, 2836 states have (on average 1.3511988716502115) internal successors, (3832), 3066 states have internal predecessors, (3832), 795 states have call successors, (795), 235 states have call predecessors, (795), 236 states have return successors, (838), 763 states have call predecessors, (838), 795 states have call successors, (838) [2022-10-16 13:57:23,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5465 transitions. [2022-10-16 13:57:23,839 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5465 transitions. Word has length 189 [2022-10-16 13:57:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:23,839 INFO L495 AbstractCegarLoop]: Abstraction has 4007 states and 5465 transitions. [2022-10-16 13:57:23,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-10-16 13:57:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5465 transitions. [2022-10-16 13:57:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-10-16 13:57:23,844 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:23,844 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:23,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:24,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:24,061 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:24,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash -795954014, now seen corresponding path program 1 times [2022-10-16 13:57:24,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:24,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114170547] [2022-10-16 13:57:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:57:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:57:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:57:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:57:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:57:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:57:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 13:57:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:57:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:57:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:57:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-16 13:57:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-16 13:57:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:57:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:57:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-10-16 13:57:25,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:25,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114170547] [2022-10-16 13:57:25,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114170547] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:25,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145567586] [2022-10-16 13:57:25,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:25,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:25,177 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:25,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:57:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2619 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-16 13:57:26,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-10-16 13:57:26,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:57:26,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145567586] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:26,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:57:26,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 14 [2022-10-16 13:57:26,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594614255] [2022-10-16 13:57:26,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:26,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:57:26,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:26,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:57:26,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:57:26,102 INFO L87 Difference]: Start difference. First operand 4007 states and 5465 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2022-10-16 13:57:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:27,278 INFO L93 Difference]: Finished difference Result 8027 states and 10954 transitions. [2022-10-16 13:57:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:57:27,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) Word has length 196 [2022-10-16 13:57:27,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:27,308 INFO L225 Difference]: With dead ends: 8027 [2022-10-16 13:57:27,309 INFO L226 Difference]: Without dead ends: 4076 [2022-10-16 13:57:27,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-10-16 13:57:27,339 INFO L413 NwaCegarLoop]: 3234 mSDtfsCounter, 529 mSDsluCounter, 21970 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 25204 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:27,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 25204 Invalid, 825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 13:57:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4076 states. [2022-10-16 13:57:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4076 to 4004. [2022-10-16 13:57:27,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4004 states, 2835 states have (on average 1.3506172839506172) internal successors, (3829), 3064 states have internal predecessors, (3829), 793 states have call successors, (793), 235 states have call predecessors, (793), 236 states have return successors, (836), 761 states have call predecessors, (836), 793 states have call successors, (836) [2022-10-16 13:57:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 5458 transitions. [2022-10-16 13:57:27,840 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 5458 transitions. Word has length 196 [2022-10-16 13:57:27,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:27,840 INFO L495 AbstractCegarLoop]: Abstraction has 4004 states and 5458 transitions. [2022-10-16 13:57:27,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 5 states have call successors, (23) [2022-10-16 13:57:27,841 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 5458 transitions. [2022-10-16 13:57:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-16 13:57:27,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:27,846 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:27,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 13:57:28,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 13:57:28,059 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:28,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:28,060 INFO L85 PathProgramCache]: Analyzing trace with hash 544028924, now seen corresponding path program 1 times [2022-10-16 13:57:28,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:28,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805259210] [2022-10-16 13:57:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:28,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:57:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:57:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:57:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-16 13:57:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 13:57:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 13:57:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-16 13:57:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:57:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:57:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:57:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:57:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-16 13:57:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-16 13:57:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 13:57:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-16 13:57:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:30,639 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-10-16 13:57:30,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805259210] [2022-10-16 13:57:30,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805259210] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:30,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781000260] [2022-10-16 13:57:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:30,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:30,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:30,642 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:30,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 13:57:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:31,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 2630 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-16 13:57:31,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 241 proven. 3 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-10-16 13:57:31,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:57:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2022-10-16 13:57:32,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781000260] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:57:32,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:57:32,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 8] total 15 [2022-10-16 13:57:32,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741286727] [2022-10-16 13:57:32,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:57:32,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 13:57:32,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:32,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 13:57:32,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-10-16 13:57:32,085 INFO L87 Difference]: Start difference. First operand 4004 states and 5458 transitions. Second operand has 15 states, 14 states have (on average 7.571428571428571) internal successors, (106), 12 states have internal predecessors, (106), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) [2022-10-16 13:57:45,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:45,557 INFO L93 Difference]: Finished difference Result 8446 states and 11718 transitions. [2022-10-16 13:57:45,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:57:45,558 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.571428571428571) internal successors, (106), 12 states have internal predecessors, (106), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) Word has length 202 [2022-10-16 13:57:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:45,583 INFO L225 Difference]: With dead ends: 8446 [2022-10-16 13:57:45,583 INFO L226 Difference]: Without dead ends: 4731 [2022-10-16 13:57:45,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 456 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:57:45,605 INFO L413 NwaCegarLoop]: 3155 mSDtfsCounter, 1553 mSDsluCounter, 20018 mSDsCounter, 0 mSdLazyCounter, 8962 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 23173 SdHoareTripleChecker+Invalid, 9534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 8962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:45,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1806 Valid, 23173 Invalid, 9534 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [572 Valid, 8962 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2022-10-16 13:57:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2022-10-16 13:57:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 4004. [2022-10-16 13:57:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4004 states, 2835 states have (on average 1.3502645502645503) internal successors, (3828), 3063 states have internal predecessors, (3828), 793 states have call successors, (793), 235 states have call predecessors, (793), 236 states have return successors, (836), 761 states have call predecessors, (836), 793 states have call successors, (836) [2022-10-16 13:57:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 5457 transitions. [2022-10-16 13:57:45,972 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 5457 transitions. Word has length 202 [2022-10-16 13:57:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:45,972 INFO L495 AbstractCegarLoop]: Abstraction has 4004 states and 5457 transitions. [2022-10-16 13:57:45,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.571428571428571) internal successors, (106), 12 states have internal predecessors, (106), 5 states have call successors, (47), 3 states have call predecessors, (47), 5 states have return successors, (44), 6 states have call predecessors, (44), 5 states have call successors, (44) [2022-10-16 13:57:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 5457 transitions. [2022-10-16 13:57:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 13:57:45,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:45,978 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:46,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-16 13:57:46,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:46,193 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting net_genericErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [atomic_dec_and_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, atomic_dec_and_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ppp_send_frameErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 157 more)] === [2022-10-16 13:57:46,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:46,195 INFO L85 PathProgramCache]: Analyzing trace with hash 427533643, now seen corresponding path program 1 times [2022-10-16 13:57:46,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:46,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130701156] [2022-10-16 13:57:46,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:46,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:57:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:57:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:57:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 13:57:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:57:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:57:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:57:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:57:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:57:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:57:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 13:57:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 13:57:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-16 13:57:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 13:57:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:57:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 13:57:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-10-16 13:57:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 13:57:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-16 13:57:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-10-16 13:57:47,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:47,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130701156] [2022-10-16 13:57:47,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130701156] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:57:47,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357951973] [2022-10-16 13:57:47,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:47,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:57:47,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:57:47,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:57:48,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 13:57:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:48,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 13:57:48,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:57:48,943 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-10-16 13:57:49,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-10-16 13:57:49,131 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-10-16 13:57:49,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-10-16 13:57:49,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-10-16 13:57:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-16 13:57:49,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:57:49,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2022-10-16 13:57:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-10-16 13:57:49,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357951973] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:57:49,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:57:49,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 11] total 28 [2022-10-16 13:57:49,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609988731] [2022-10-16 13:57:49,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:57:49,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 13:57:49,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:49,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 13:57:49,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2022-10-16 13:57:49,870 INFO L87 Difference]: Start difference. First operand 4004 states and 5457 transitions. Second operand has 28 states, 25 states have (on average 5.8) internal successors, (145), 17 states have internal predecessors, (145), 11 states have call successors, (54), 11 states have call predecessors, (54), 8 states have return successors, (47), 9 states have call predecessors, (47), 11 states have call successors, (47) [2022-10-16 13:57:59,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:01,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:03,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:05,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:07,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:10,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:12,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:39,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:41,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:46,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:48,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:49,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:51,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-10-16 13:58:54,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []