/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--ethernet--icplus--ipg.ko.cil.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:55:43,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:55:43,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:55:43,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:55:43,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:55:43,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:55:43,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:55:43,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:55:43,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:55:43,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:55:43,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:55:43,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:55:43,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:55:43,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:55:43,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:55:43,098 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:55:43,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:55:43,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:55:43,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:55:43,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:55:43,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:55:43,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:55:43,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:55:43,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:55:43,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:55:43,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:55:43,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:55:43,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:55:43,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:55:43,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:55:43,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:55:43,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:55:43,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:55:43,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:55:43,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:55:43,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:55:43,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:55:43,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:55:43,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:55:43,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:55:43,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:55:43,160 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 13:55:43,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:55:43,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:55:43,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:55:43,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:55:43,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:55:43,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:55:43,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:55:43,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:55:43,232 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:55:43,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:55:43,233 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:55:43,234 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:55:43,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:55:43,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:55:43,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:55:43,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:55:43,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:55:43,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:55:43,235 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:55:43,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:55:43,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:55:43,236 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:55:43,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:55:43,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:55:43,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:55:43,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:55:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:55:43,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:55:43,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:55:43,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:55:43,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:55:43,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:55:43,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:55:43,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:55:43,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:55:43,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:55:43,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:55:43,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:55:43,713 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:55:43,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.c.cil.c [2022-10-16 13:55:43,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618f54e87/64a60def770d46caa51536b7f4ba947b/FLAG51caf2f36 [2022-10-16 13:55:44,959 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:55:44,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.c.cil.c [2022-10-16 13:55:45,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618f54e87/64a60def770d46caa51536b7f4ba947b/FLAG51caf2f36 [2022-10-16 13:55:45,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618f54e87/64a60def770d46caa51536b7f4ba947b [2022-10-16 13:55:45,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:55:45,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:55:45,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:55:45,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:55:45,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:55:45,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:55:45" (1/1) ... [2022-10-16 13:55:45,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c235d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:45, skipping insertion in model container [2022-10-16 13:55:45,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:55:45" (1/1) ... [2022-10-16 13:55:45,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:55:45,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:55:49,963 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[397618,397631] [2022-10-16 13:55:49,967 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--ethernet--icplus--ipg.ko.cil.c.cil.c[398192,398205] [2022-10-16 13:55:49,972 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[399391,399404] [2022-10-16 13:55:49,978 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400099,400112] [2022-10-16 13:55:49,983 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400540,400553] [2022-10-16 13:55:49,988 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400772,400785] [2022-10-16 13:55:49,993 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--ethernet--icplus--ipg.ko.cil.c.cil.c[401350,401363] [2022-10-16 13:55:49,999 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[401940,401953] [2022-10-16 13:55:50,004 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402357,402370] [2022-10-16 13:55:50,010 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402754,402767] [2022-10-16 13:55:50,015 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402989,403002] [2022-10-16 13:55:50,021 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--ethernet--icplus--ipg.ko.cil.c.cil.c[403737,403750] [2022-10-16 13:55:50,027 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[404158,404171] [2022-10-16 13:55:50,032 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[404785,404798] [2022-10-16 13:55:50,038 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[405200,405213] [2022-10-16 13:55:50,043 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[405844,405857] [2022-10-16 13:55:50,049 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[406574,406587] [2022-10-16 13:55:50,055 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[407410,407423] [2022-10-16 13:55:50,061 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[408756,408769] [2022-10-16 13:55:50,067 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[409154,409167] [2022-10-16 13:55:50,073 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[409711,409724] [2022-10-16 13:55:50,078 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[410094,410107] [2022-10-16 13:55:50,084 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[410710,410723] [2022-10-16 13:55:50,090 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[411284,411297] [2022-10-16 13:55:50,095 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412197,412210] [2022-10-16 13:55:50,100 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412588,412601] [2022-10-16 13:55:50,105 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412817,412830] [2022-10-16 13:55:50,111 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[413223,413236] [2022-10-16 13:55:50,117 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[414080,414093] [2022-10-16 13:55:50,124 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[414487,414500] [2022-10-16 13:55:50,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:55:50,196 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:55:50,609 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[397618,397631] [2022-10-16 13:55:50,610 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[398192,398205] [2022-10-16 13:55:50,611 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[399391,399404] [2022-10-16 13:55:50,611 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400099,400112] [2022-10-16 13:55:50,612 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400540,400553] [2022-10-16 13:55:50,612 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[400772,400785] [2022-10-16 13:55:50,613 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[401350,401363] [2022-10-16 13:55:50,614 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[401940,401953] [2022-10-16 13:55:50,614 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402357,402370] [2022-10-16 13:55:50,615 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402754,402767] [2022-10-16 13:55:50,615 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[402989,403002] [2022-10-16 13:55:50,616 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[403737,403750] [2022-10-16 13:55:50,616 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[404158,404171] [2022-10-16 13:55:50,617 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[404785,404798] [2022-10-16 13:55:50,617 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[405200,405213] [2022-10-16 13:55:50,618 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[405844,405857] [2022-10-16 13:55:50,619 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[406574,406587] [2022-10-16 13:55:50,619 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[407410,407423] [2022-10-16 13:55:50,620 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[408756,408769] [2022-10-16 13:55:50,621 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[409154,409167] [2022-10-16 13:55:50,621 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[409711,409724] [2022-10-16 13:55:50,622 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[410094,410107] [2022-10-16 13:55:50,622 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[410710,410723] [2022-10-16 13:55:50,623 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[411284,411297] [2022-10-16 13:55:50,624 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412197,412210] [2022-10-16 13:55:50,624 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412588,412601] [2022-10-16 13:55:50,625 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[412817,412830] [2022-10-16 13:55:50,625 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[413223,413236] [2022-10-16 13:55:50,626 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[414080,414093] [2022-10-16 13:55:50,626 WARN L230 ndardFunctionHandler]: 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--ethernet--icplus--ipg.ko.cil.c.cil.c[414487,414500] [2022-10-16 13:55:50,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:55:50,935 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:55:50,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50 WrapperNode [2022-10-16 13:55:50,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:55:50,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:55:50,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:55:50,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:55:50,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,401 INFO L138 Inliner]: procedures = 678, calls = 2042, calls flagged for inlining = 260, calls inlined = 178, statements flattened = 4142 [2022-10-16 13:55:51,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:55:51,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:55:51,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:55:51,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:55:51,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:55:51,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:55:51,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:55:51,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:55:51,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (1/1) ... [2022-10-16 13:55:51,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:55:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:51,764 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 13:55:51,788 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 13:55:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-10-16 13:55:51,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:55:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:55:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-10-16 13:55:51,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-10-16 13:55:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-16 13:55:51,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-16 13:55:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-16 13:55:51,842 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 13:55:51,842 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 13:55:51,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:55:51,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:55:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-10-16 13:55:51,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-10-16 13:55:51,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:55:51,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:55:51,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-16 13:55:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-10-16 13:55:51,846 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-10-16 13:55:51,846 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2022-10-16 13:55:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:55:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:55:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 13:55:51,847 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 13:55:51,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-16 13:55:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-16 13:55:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-10-16 13:55:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-10-16 13:55:51,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-10-16 13:55:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-10-16 13:55:51,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:55:51,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:55:51,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:55:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:55:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-16 13:55:51,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-10-16 13:55:51,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-10-16 13:55:51,851 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-10-16 13:55:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-10-16 13:55:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-10-16 13:55:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-10-16 13:55:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2022-10-16 13:55:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-10-16 13:55:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-10-16 13:55:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-10-16 13:55:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:55:51,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 13:55:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-16 13:55:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-10-16 13:55:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-10-16 13:55:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:55:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:55:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:55:51,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:55:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 13:55:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 13:55:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-10-16 13:55:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-10-16 13:55:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:55:51,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:55:51,856 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:55:51,857 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-10-16 13:55:51,857 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-10-16 13:55:51,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:55:51,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:55:51,860 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2022-10-16 13:55:51,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2022-10-16 13:55:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2022-10-16 13:55:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-16 13:55:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-16 13:55:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2022-10-16 13:55:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:55:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-16 13:55:51,869 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-16 13:55:51,869 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:55:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-10-16 13:55:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-10-16 13:55:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:55:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 13:55:51,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 13:55:51,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:55:51,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:55:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-16 13:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 13:55:51,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 13:55:51,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:55:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:55:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:55:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:55:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-16 13:55:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-16 13:55:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-16 13:55:51,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-16 13:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:55:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:55:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-10-16 13:55:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-10-16 13:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-16 13:55:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-16 13:55:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-16 13:55:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:55:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:55:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-16 13:55:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:55:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:55:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-10-16 13:55:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:55:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:55:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-10-16 13:55:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-10-16 13:55:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 13:55:51,877 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 13:55:51,877 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-10-16 13:55:51,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-10-16 13:55:51,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:55:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:55:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:55:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2022-10-16 13:55:51,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_ipg_nic_private [2022-10-16 13:55:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:55:51,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 13:55:51,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 13:55:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-16 13:55:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:55:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-10-16 13:55:51,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:55:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:55:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-10-16 13:55:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-10-16 13:55:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-16 13:55:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:55:51,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:55:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-16 13:55:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:55:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:55:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-16 13:55:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-16 13:55:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-10-16 13:55:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-10-16 13:55:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-10-16 13:55:51,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-10-16 13:55:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-16 13:55:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-16 13:55:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-16 13:55:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-16 13:55:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2022-10-16 13:55:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-10-16 13:55:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-10-16 13:55:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-10-16 13:55:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-10-16 13:55:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:55:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:55:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-10-16 13:55:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-10-16 13:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:55:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-16 13:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:55:51,886 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-10-16 13:55:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-10-16 13:55:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:55:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:55:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-16 13:55:51,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-16 13:55:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-10-16 13:55:51,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-10-16 13:55:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-10-16 13:55:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:55:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:55:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-16 13:55:51,888 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-16 13:55:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-10-16 13:55:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:55:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:55:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:55:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:55:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-10-16 13:55:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-10-16 13:55:51,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-10-16 13:55:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2022-10-16 13:55:51,890 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 13:55:51,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 13:55:51,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:55:51,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:55:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-10-16 13:55:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-10-16 13:55:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:55:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:55:51,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:55:51,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-10-16 13:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-16 13:55:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-16 13:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 13:55:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 13:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2022-10-16 13:55:51,900 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-10-16 13:55:51,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-10-16 13:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-10-16 13:55:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-10-16 13:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:55:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2022-10-16 13:55:51,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-16 13:55:51,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-16 13:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-16 13:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 13:55:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 13:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 13:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 13:55:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 13:55:51,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:55:51,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:55:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-16 13:55:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-16 13:55:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 13:55:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 13:55:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-16 13:55:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-10-16 13:55:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-10-16 13:55:51,903 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-16 13:55:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-16 13:55:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-10-16 13:55:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-10-16 13:55:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-10-16 13:55:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-10-16 13:55:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-10-16 13:55:51,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:55:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-16 13:55:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-16 13:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:55:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:55:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-16 13:55:51,905 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-16 13:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 13:55:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 13:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-10-16 13:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2022-10-16 13:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-16 13:55:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-16 13:55:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 13:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 13:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:55:51,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:55:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:55:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-10-16 13:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:55:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2022-10-16 13:55:51,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2022-10-16 13:55:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 13:55:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 13:55:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:55:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:55:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-10-16 13:55:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-10-16 13:55:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2022-10-16 13:55:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-10-16 13:55:51,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-10-16 13:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 13:55:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 13:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-16 13:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 13:55:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 13:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 13:55:51,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 13:55:51,910 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-10-16 13:55:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-10-16 13:55:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2022-10-16 13:55:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_ipg_nic_private [2022-10-16 13:55:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2022-10-16 13:55:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mii_mutex_of_ipg_nic_private [2022-10-16 13:55:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:55:51,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:55:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:55:51,912 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-16 13:55:51,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:55:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-10-16 13:55:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-10-16 13:55:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-10-16 13:55:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-16 13:55:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:55:51,913 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:55:52,784 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:55:52,789 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:55:57,739 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:55:57,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:55:57,761 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 13:55:57,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:55:57 BoogieIcfgContainer [2022-10-16 13:55:57,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:55:57,768 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:55:57,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:55:57,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:55:57,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:55:45" (1/3) ... [2022-10-16 13:55:57,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75680230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:55:57, skipping insertion in model container [2022-10-16 13:55:57,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:55:50" (2/3) ... [2022-10-16 13:55:57,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75680230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:55:57, skipping insertion in model container [2022-10-16 13:55:57,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:55:57" (3/3) ... [2022-10-16 13:55:57,775 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--icplus--ipg.ko.cil.c.cil.c [2022-10-16 13:55:57,799 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:55:57,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 13:55:57,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:55:57,907 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;@3a919199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:55:57,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 13:55:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 1696 states, 1205 states have (on average 1.3560165975103735) internal successors, (1634), 1274 states have internal predecessors, (1634), 355 states have call successors, (355), 119 states have call predecessors, (355), 119 states have return successors, (355), 351 states have call predecessors, (355), 355 states have call successors, (355) [2022-10-16 13:55:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-10-16 13:55:57,969 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:57,974 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:55:57,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mdio_readErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:55:57,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:57,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1457523535, now seen corresponding path program 1 times [2022-10-16 13:55:57,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:57,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101047129] [2022-10-16 13:55:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:55:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:55:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:55:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:55:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:55:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:55:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:55:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:55:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:55:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:55:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:55:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:55:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:55:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:55:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:55:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:55:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:55:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:55:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:55:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:55:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:55:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 13:55:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:55:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 13:55:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:55:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-10-16 13:55:59,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:55:59,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101047129] [2022-10-16 13:55:59,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101047129] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:55:59,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:55:59,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:55:59,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506991531] [2022-10-16 13:55:59,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:55:59,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:55:59,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:55:59,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:55:59,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:55:59,496 INFO L87 Difference]: Start difference. First operand has 1696 states, 1205 states have (on average 1.3560165975103735) internal successors, (1634), 1274 states have internal predecessors, (1634), 355 states have call successors, (355), 119 states have call predecessors, (355), 119 states have return successors, (355), 351 states have call predecessors, (355), 355 states have call successors, (355) Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:56:05,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:05,941 INFO L93 Difference]: Finished difference Result 3577 states and 5256 transitions. [2022-10-16 13:56:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:56:05,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 210 [2022-10-16 13:56:05,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:05,980 INFO L225 Difference]: With dead ends: 3577 [2022-10-16 13:56:05,980 INFO L226 Difference]: Without dead ends: 1630 [2022-10-16 13:56:06,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:56:06,009 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 4617 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 2554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 3292 SdHoareTripleChecker+Invalid, 4185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2554 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:06,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4617 Valid, 3292 Invalid, 4185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2554 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 13:56:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2022-10-16 13:56:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1378. [2022-10-16 13:56:06,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1378 states, 1025 states have (on average 1.273170731707317) internal successors, (1305), 1056 states have internal predecessors, (1305), 270 states have call successors, (270), 75 states have call predecessors, (270), 75 states have return successors, (270), 267 states have call predecessors, (270), 270 states have call successors, (270) [2022-10-16 13:56:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1845 transitions. [2022-10-16 13:56:06,358 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1845 transitions. Word has length 210 [2022-10-16 13:56:06,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:06,359 INFO L495 AbstractCegarLoop]: Abstraction has 1378 states and 1845 transitions. [2022-10-16 13:56:06,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 2 states have internal predecessors, (92), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:56:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1845 transitions. [2022-10-16 13:56:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-10-16 13:56:06,371 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:06,372 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:06,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:56:06,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:56:06,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 545971941, now seen corresponding path program 1 times [2022-10-16 13:56:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:06,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680083597] [2022-10-16 13:56:06,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:56:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:56:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:56:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:56:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:56:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:56:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:56:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:56:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:56:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:56:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:56:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:56:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:56:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:56:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 13:56:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:56:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-16 13:56:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 13:56:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:56:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 13:56:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-16 13:56:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-16 13:56:07,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:07,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680083597] [2022-10-16 13:56:07,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680083597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:07,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:07,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:56:07,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145764197] [2022-10-16 13:56:07,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:07,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:56:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:07,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:56:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:56:07,531 INFO L87 Difference]: Start difference. First operand 1378 states and 1845 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:20,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:20,354 INFO L93 Difference]: Finished difference Result 3516 states and 4845 transitions. [2022-10-16 13:56:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:56:20,355 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2022-10-16 13:56:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:20,390 INFO L225 Difference]: With dead ends: 3516 [2022-10-16 13:56:20,390 INFO L226 Difference]: Without dead ends: 2156 [2022-10-16 13:56:20,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:56:20,400 INFO L413 NwaCegarLoop]: 2086 mSDtfsCounter, 6208 mSDsluCounter, 3621 mSDsCounter, 0 mSdLazyCounter, 5408 mSolverCounterSat, 3035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6286 SdHoareTripleChecker+Valid, 5707 SdHoareTripleChecker+Invalid, 8443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3035 IncrementalHoareTripleChecker+Valid, 5408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:20,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6286 Valid, 5707 Invalid, 8443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3035 Valid, 5408 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-10-16 13:56:20,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2022-10-16 13:56:20,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1380. [2022-10-16 13:56:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1027 states have (on average 1.2726387536514119) internal successors, (1307), 1058 states have internal predecessors, (1307), 270 states have call successors, (270), 75 states have call predecessors, (270), 75 states have return successors, (270), 267 states have call predecessors, (270), 270 states have call successors, (270) [2022-10-16 13:56:20,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1847 transitions. [2022-10-16 13:56:20,576 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1847 transitions. Word has length 257 [2022-10-16 13:56:20,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:20,579 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1847 transitions. [2022-10-16 13:56:20,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1847 transitions. [2022-10-16 13:56:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-10-16 13:56:20,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:20,593 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:20,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:56:20,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:56:20,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:20,594 INFO L85 PathProgramCache]: Analyzing trace with hash -142854928, now seen corresponding path program 1 times [2022-10-16 13:56:20,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:20,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754661790] [2022-10-16 13:56:20,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:20,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:56:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:56:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:56:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:56:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:56:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:56:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:56:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:56:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:56:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:56:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:56:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:56:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:56:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:56:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 13:56:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:56:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 13:56:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-16 13:56:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:56:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 13:56:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-16 13:56:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-16 13:56:21,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:21,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754661790] [2022-10-16 13:56:21,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754661790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:21,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:21,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:56:21,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838690933] [2022-10-16 13:56:21,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:21,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:56:21,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:56:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:56:21,688 INFO L87 Difference]: Start difference. First operand 1380 states and 1847 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:30,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:56:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:32,641 INFO L93 Difference]: Finished difference Result 3300 states and 4517 transitions. [2022-10-16 13:56:32,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:56:32,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 256 [2022-10-16 13:56:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:32,663 INFO L225 Difference]: With dead ends: 3300 [2022-10-16 13:56:32,663 INFO L226 Difference]: Without dead ends: 1938 [2022-10-16 13:56:32,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:56:32,673 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 5747 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 3525 mSolverCounterSat, 2893 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5832 SdHoareTripleChecker+Valid, 4991 SdHoareTripleChecker+Invalid, 6418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2893 IncrementalHoareTripleChecker+Valid, 3525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:32,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5832 Valid, 4991 Invalid, 6418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2893 Valid, 3525 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-10-16 13:56:32,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2022-10-16 13:56:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1385. [2022-10-16 13:56:32,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1032 states have (on average 1.2713178294573644) internal successors, (1312), 1063 states have internal predecessors, (1312), 270 states have call successors, (270), 75 states have call predecessors, (270), 75 states have return successors, (270), 267 states have call predecessors, (270), 270 states have call successors, (270) [2022-10-16 13:56:32,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1852 transitions. [2022-10-16 13:56:32,825 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1852 transitions. Word has length 256 [2022-10-16 13:56:32,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:32,826 INFO L495 AbstractCegarLoop]: Abstraction has 1385 states and 1852 transitions. [2022-10-16 13:56:32,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (33), 7 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1852 transitions. [2022-10-16 13:56:32,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-10-16 13:56:32,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:32,834 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:32,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:56:32,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:56:32,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:32,836 INFO L85 PathProgramCache]: Analyzing trace with hash 698048650, now seen corresponding path program 1 times [2022-10-16 13:56:32,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:32,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072591223] [2022-10-16 13:56:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:32,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:56:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:56:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:56:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:56:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:56:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:56:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:56:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:56:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:56:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:56:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:56:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:56:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:56:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:56:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 13:56:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 13:56:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-10-16 13:56:33,827 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 1 [2022-10-16 13:56:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-16 13:56:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:56:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-16 13:56:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-16 13:56:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:33,944 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-16 13:56:33,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:33,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072591223] [2022-10-16 13:56:33,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072591223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:33,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:33,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 13:56:33,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325989999] [2022-10-16 13:56:33,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:33,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:56:33,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:33,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:56:33,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:56:33,948 INFO L87 Difference]: Start difference. First operand 1385 states and 1852 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:56:47,677 INFO L93 Difference]: Finished difference Result 3266 states and 4462 transitions. [2022-10-16 13:56:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:56:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 259 [2022-10-16 13:56:47,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:56:47,698 INFO L225 Difference]: With dead ends: 3266 [2022-10-16 13:56:47,698 INFO L226 Difference]: Without dead ends: 1899 [2022-10-16 13:56:47,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:56:47,706 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 5723 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 6672 mSolverCounterSat, 3051 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5798 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 9723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3051 IncrementalHoareTripleChecker+Valid, 6672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:56:47,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5798 Valid, 5045 Invalid, 9723 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3051 Valid, 6672 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-10-16 13:56:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1899 states. [2022-10-16 13:56:47,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1899 to 1389. [2022-10-16 13:56:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1035 states have (on average 1.2705314009661837) internal successors, (1315), 1066 states have internal predecessors, (1315), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:56:47,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1860 transitions. [2022-10-16 13:56:47,850 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1860 transitions. Word has length 259 [2022-10-16 13:56:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:56:47,851 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1860 transitions. [2022-10-16 13:56:47,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (33), 7 states have call predecessors, (33), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-10-16 13:56:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1860 transitions. [2022-10-16 13:56:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-10-16 13:56:47,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:56:47,861 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:56:47,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:56:47,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:56:47,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:56:47,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1955958434, now seen corresponding path program 1 times [2022-10-16 13:56:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:56:47,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328799341] [2022-10-16 13:56:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:56:47,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:56:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:56:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:56:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:56:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:56:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:56:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:56:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:56:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:56:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:56:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:56:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:56:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:56:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:56:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:56:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 13:56:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 13:56:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-16 13:56:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-10-16 13:56:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:56:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:56:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 13:56:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-10-16 13:56:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-16 13:56:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:56:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-16 13:56:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-16 13:56:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:56:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:56:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:56:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-10-16 13:56:49,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:56:49,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328799341] [2022-10-16 13:56:49,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328799341] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:56:49,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:56:49,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 13:56:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938970537] [2022-10-16 13:56:49,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:56:49,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:56:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:56:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:56:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:56:49,913 INFO L87 Difference]: Start difference. First operand 1389 states and 1860 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-16 13:57:03,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:03,073 INFO L93 Difference]: Finished difference Result 3175 states and 4332 transitions. [2022-10-16 13:57:03,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:57:03,074 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 280 [2022-10-16 13:57:03,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:03,088 INFO L225 Difference]: With dead ends: 3175 [2022-10-16 13:57:03,089 INFO L226 Difference]: Without dead ends: 1804 [2022-10-16 13:57:03,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2022-10-16 13:57:03,097 INFO L413 NwaCegarLoop]: 1778 mSDtfsCounter, 5817 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 6431 mSolverCounterSat, 2998 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5817 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 9429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2998 IncrementalHoareTripleChecker+Valid, 6431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:03,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5817 Valid, 4705 Invalid, 9429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2998 Valid, 6431 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-10-16 13:57:03,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2022-10-16 13:57:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1392. [2022-10-16 13:57:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1038 states have (on average 1.2697495183044316) internal successors, (1318), 1069 states have internal predecessors, (1318), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:57:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1863 transitions. [2022-10-16 13:57:03,263 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1863 transitions. Word has length 280 [2022-10-16 13:57:03,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:03,264 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1863 transitions. [2022-10-16 13:57:03,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (35), 7 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-16 13:57:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1863 transitions. [2022-10-16 13:57:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-10-16 13:57:03,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:03,277 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:03,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:57:03,278 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:57:03,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:03,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1568029955, now seen corresponding path program 1 times [2022-10-16 13:57:03,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:03,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433856790] [2022-10-16 13:57:03,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:03,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:57:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:57:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:57:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:57:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:57:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:57:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 13:57:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:57:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:57:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:57:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:57:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:57:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:57:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 13:57:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 13:57:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 13:57:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 13:57:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 13:57:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 13:57:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-16 13:57:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 13:57:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:57:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 13:57:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 13:57:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 13:57:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 13:57:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-10-16 13:57:04,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:04,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433856790] [2022-10-16 13:57:04,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433856790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:04,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:04,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:57:04,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916307401] [2022-10-16 13:57:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:04,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:57:04,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:57:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:57:04,253 INFO L87 Difference]: Start difference. First operand 1392 states and 1863 transitions. Second operand has 8 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:12,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:12,904 INFO L93 Difference]: Finished difference Result 1687 states and 2313 transitions. [2022-10-16 13:57:12,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:57:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 297 [2022-10-16 13:57:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:12,918 INFO L225 Difference]: With dead ends: 1687 [2022-10-16 13:57:12,918 INFO L226 Difference]: Without dead ends: 1683 [2022-10-16 13:57:12,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-10-16 13:57:12,920 INFO L413 NwaCegarLoop]: 1826 mSDtfsCounter, 4714 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 4102 mSolverCounterSat, 2536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4714 SdHoareTripleChecker+Valid, 3604 SdHoareTripleChecker+Invalid, 6638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2536 IncrementalHoareTripleChecker+Valid, 4102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:12,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4714 Valid, 3604 Invalid, 6638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2536 Valid, 4102 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-10-16 13:57:12,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2022-10-16 13:57:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1394. [2022-10-16 13:57:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1042 states have (on average 1.2677543186180422) internal successors, (1321), 1071 states have internal predecessors, (1321), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:57:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1866 transitions. [2022-10-16 13:57:13,080 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1866 transitions. Word has length 297 [2022-10-16 13:57:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:13,082 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1866 transitions. [2022-10-16 13:57:13,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1866 transitions. [2022-10-16 13:57:13,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-10-16 13:57:13,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:13,094 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:13,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:57:13,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:57:13,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:13,095 INFO L85 PathProgramCache]: Analyzing trace with hash -227288861, now seen corresponding path program 1 times [2022-10-16 13:57:13,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:13,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574749431] [2022-10-16 13:57:13,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:57:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:57:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:57:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:57:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:57:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:57:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 13:57:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:57:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:57:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:57:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:57:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:57:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:57:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 13:57:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 13:57:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 13:57:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 13:57:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 13:57:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 13:57:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-16 13:57:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 13:57:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:57:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 13:57:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 13:57:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 13:57:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 13:57:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-10-16 13:57:14,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:14,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574749431] [2022-10-16 13:57:14,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574749431] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:14,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:14,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:57:14,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910013041] [2022-10-16 13:57:14,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:14,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:57:14,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:14,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:57:14,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:57:14,034 INFO L87 Difference]: Start difference. First operand 1394 states and 1866 transitions. Second operand has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:24,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:24,642 INFO L93 Difference]: Finished difference Result 1864 states and 2589 transitions. [2022-10-16 13:57:24,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:57:24,643 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 301 [2022-10-16 13:57:24,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:24,654 INFO L225 Difference]: With dead ends: 1864 [2022-10-16 13:57:24,654 INFO L226 Difference]: Without dead ends: 1863 [2022-10-16 13:57:24,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2022-10-16 13:57:24,657 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 4945 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 6308 mSolverCounterSat, 2730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 9038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2730 IncrementalHoareTripleChecker+Valid, 6308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:24,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 4080 Invalid, 9038 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2730 Valid, 6308 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-10-16 13:57:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1863 states. [2022-10-16 13:57:24,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1863 to 1393. [2022-10-16 13:57:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 1042 states have (on average 1.2667946257197698) internal successors, (1320), 1070 states have internal predecessors, (1320), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:57:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1865 transitions. [2022-10-16 13:57:24,834 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1865 transitions. Word has length 301 [2022-10-16 13:57:24,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:24,835 INFO L495 AbstractCegarLoop]: Abstraction has 1393 states and 1865 transitions. [2022-10-16 13:57:24,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1865 transitions. [2022-10-16 13:57:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-10-16 13:57:24,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:24,845 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:24,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:57:24,846 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:57:24,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash -958706136, now seen corresponding path program 1 times [2022-10-16 13:57:24,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:24,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187067660] [2022-10-16 13:57:24,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:57:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:57:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:57:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:57:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:57:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:57:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:57:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:57:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:57:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:57:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:57:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:57:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:57:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 13:57:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:57:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-16 13:57:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-10-16 13:57:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-16 13:57:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:57:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-16 13:57:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:57:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-16 13:57:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:57:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:57:26,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:26,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187067660] [2022-10-16 13:57:26,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187067660] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:26,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:26,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:57:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20949127] [2022-10-16 13:57:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:26,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:57:26,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:26,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:57:26,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:57:26,022 INFO L87 Difference]: Start difference. First operand 1393 states and 1865 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-10-16 13:57:34,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:34,838 INFO L93 Difference]: Finished difference Result 3049 states and 4134 transitions. [2022-10-16 13:57:34,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:57:34,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 301 [2022-10-16 13:57:34,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:34,850 INFO L225 Difference]: With dead ends: 3049 [2022-10-16 13:57:34,850 INFO L226 Difference]: Without dead ends: 1674 [2022-10-16 13:57:34,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:57:34,857 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 5553 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 3060 mSolverCounterSat, 2856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5553 SdHoareTripleChecker+Valid, 3429 SdHoareTripleChecker+Invalid, 5916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2856 IncrementalHoareTripleChecker+Valid, 3060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:34,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5553 Valid, 3429 Invalid, 5916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2856 Valid, 3060 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-10-16 13:57:34,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-10-16 13:57:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1394. [2022-10-16 13:57:35,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1043 states have (on average 1.2665388302972196) internal successors, (1321), 1071 states have internal predecessors, (1321), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:57:35,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1866 transitions. [2022-10-16 13:57:35,029 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1866 transitions. Word has length 301 [2022-10-16 13:57:35,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:35,029 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 1866 transitions. [2022-10-16 13:57:35,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-10-16 13:57:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1866 transitions. [2022-10-16 13:57:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-10-16 13:57:35,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:35,040 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:35,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:57:35,041 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ipg_nic_openErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:57:35,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:35,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1543980282, now seen corresponding path program 1 times [2022-10-16 13:57:35,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:35,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93559164] [2022-10-16 13:57:35,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:35,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:57:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:57:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:57:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:57:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:57:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:57:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 13:57:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 13:57:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 13:57:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:57:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:57:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-10-16 13:57:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-16 13:57:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-10-16 13:57:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 13:57:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-16 13:57:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-16 13:57:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-16 13:57:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-10-16 13:57:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 13:57:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-16 13:57:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 13:57:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:57:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 13:57:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 13:57:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-16 13:57:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-16 13:57:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-10-16 13:57:36,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:36,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93559164] [2022-10-16 13:57:36,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93559164] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:36,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:36,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:57:36,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131788727] [2022-10-16 13:57:36,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:36,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:57:36,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:36,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:57:36,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:57:36,006 INFO L87 Difference]: Start difference. First operand 1394 states and 1866 transitions. Second operand has 9 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:47,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:57:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:57:48,499 INFO L93 Difference]: Finished difference Result 1787 states and 2473 transitions. [2022-10-16 13:57:48,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:57:48,501 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) Word has length 302 [2022-10-16 13:57:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:57:48,514 INFO L225 Difference]: With dead ends: 1787 [2022-10-16 13:57:48,515 INFO L226 Difference]: Without dead ends: 1786 [2022-10-16 13:57:48,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-10-16 13:57:48,517 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 4969 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 6548 mSolverCounterSat, 2689 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4969 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 9238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2689 IncrementalHoareTripleChecker+Valid, 6548 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:57:48,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4969 Valid, 4150 Invalid, 9238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2689 Valid, 6548 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time] [2022-10-16 13:57:48,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2022-10-16 13:57:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1389. [2022-10-16 13:57:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 1039 states have (on average 1.2656400384985562) internal successors, (1315), 1066 states have internal predecessors, (1315), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:57:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1860 transitions. [2022-10-16 13:57:48,704 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1860 transitions. Word has length 302 [2022-10-16 13:57:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:57:48,706 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1860 transitions. [2022-10-16 13:57:48,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 2 states have call successors, (36) [2022-10-16 13:57:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1860 transitions. [2022-10-16 13:57:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-10-16 13:57:48,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:57:48,722 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:57:48,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:57:48,722 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:57:48,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:57:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1203509341, now seen corresponding path program 1 times [2022-10-16 13:57:48,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:57:48,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706672460] [2022-10-16 13:57:48,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:57:48,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:57:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:57:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:57:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:57:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:57:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:57:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:57:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:57:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:57:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:57:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:57:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:57:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:57:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:57:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:57:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:57:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:57:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:57:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:57:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-10-16 13:57:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:57:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:57:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-10-16 13:57:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-16 13:57:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-16 13:57:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:57:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-10-16 13:57:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:57:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-16 13:57:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:57:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:57:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:57:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:57:49,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:57:49,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706672460] [2022-10-16 13:57:49,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706672460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:57:49,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:57:49,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:57:49,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14781815] [2022-10-16 13:57:49,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:57:49,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:57:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:57:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:57:49,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:57:49,856 INFO L87 Difference]: Start difference. First operand 1389 states and 1860 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-10-16 13:58:01,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:58:01,111 INFO L93 Difference]: Finished difference Result 3036 states and 4116 transitions. [2022-10-16 13:58:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:58:01,112 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 305 [2022-10-16 13:58:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:58:01,125 INFO L225 Difference]: With dead ends: 3036 [2022-10-16 13:58:01,125 INFO L226 Difference]: Without dead ends: 1665 [2022-10-16 13:58:01,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:58:01,132 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 5429 mSDsluCounter, 2145 mSDsCounter, 0 mSdLazyCounter, 4657 mSolverCounterSat, 2851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5429 SdHoareTripleChecker+Valid, 3816 SdHoareTripleChecker+Invalid, 7508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2851 IncrementalHoareTripleChecker+Valid, 4657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:58:01,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5429 Valid, 3816 Invalid, 7508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2851 Valid, 4657 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-10-16 13:58:01,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2022-10-16 13:58:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1391. [2022-10-16 13:58:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1041 states have (on average 1.2651296829971181) internal successors, (1317), 1068 states have internal predecessors, (1317), 270 states have call successors, (270), 75 states have call predecessors, (270), 76 states have return successors, (275), 268 states have call predecessors, (275), 270 states have call successors, (275) [2022-10-16 13:58:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1862 transitions. [2022-10-16 13:58:01,345 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1862 transitions. Word has length 305 [2022-10-16 13:58:01,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:58:01,345 INFO L495 AbstractCegarLoop]: Abstraction has 1391 states and 1862 transitions. [2022-10-16 13:58:01,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 4 states have internal predecessors, (124), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-10-16 13:58:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1862 transitions. [2022-10-16 13:58:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-10-16 13:58:01,357 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:58:01,358 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:58:01,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:58:01,358 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:58:01,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:58:01,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1509994955, now seen corresponding path program 1 times [2022-10-16 13:58:01,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:58:01,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141097653] [2022-10-16 13:58:01,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:01,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:58:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:58:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:58:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:58:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:58:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:58:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:58:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:58:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:58:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:58:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:58:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:58:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:58:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:58:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:58:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:58:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:58:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:58:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:58:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-10-16 13:58:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:58:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:58:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 13:58:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-16 13:58:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-10-16 13:58:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:58:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-16 13:58:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:58:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-10-16 13:58:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:58:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:58:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:58:02,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:58:02,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141097653] [2022-10-16 13:58:02,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141097653] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:58:02,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720452285] [2022-10-16 13:58:02,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:58:02,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:58:02,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:58:02,523 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 13:58:02,524 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 13:58:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:58:03,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3289 conjuncts, 128 conjunts are in the unsatisfiable core [2022-10-16 13:58:03,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:58:03,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-16 13:58:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-10-16 13:58:04,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:58:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-10-16 13:58:06,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720452285] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:58:06,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:58:06,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 18, 14] total 38 [2022-10-16 13:58:06,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452590481] [2022-10-16 13:58:06,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:58:06,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-16 13:58:06,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:58:06,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-16 13:58:06,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1296, Unknown=0, NotChecked=0, Total=1406 [2022-10-16 13:58:06,084 INFO L87 Difference]: Start difference. First operand 1391 states and 1862 transitions. Second operand has 38 states, 34 states have (on average 6.0) internal successors, (204), 27 states have internal predecessors, (204), 8 states have call successors, (62), 8 states have call predecessors, (62), 6 states have return successors, (55), 9 states have call predecessors, (55), 8 states have call successors, (55) [2022-10-16 13:58:21,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:25,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:58:32,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:02,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:08,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:13,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:59:19,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:59:19,059 INFO L93 Difference]: Finished difference Result 3189 states and 4373 transitions. [2022-10-16 13:59:19,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 13:59:19,060 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 34 states have (on average 6.0) internal successors, (204), 27 states have internal predecessors, (204), 8 states have call successors, (62), 8 states have call predecessors, (62), 6 states have return successors, (55), 9 states have call predecessors, (55), 8 states have call successors, (55) Word has length 308 [2022-10-16 13:59:19,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:59:19,073 INFO L225 Difference]: With dead ends: 3189 [2022-10-16 13:59:19,073 INFO L226 Difference]: Without dead ends: 1816 [2022-10-16 13:59:19,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=559, Invalid=3731, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 13:59:19,082 INFO L413 NwaCegarLoop]: 1798 mSDtfsCounter, 6163 mSDsluCounter, 12334 mSDsCounter, 0 mSdLazyCounter, 36434 mSolverCounterSat, 2976 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6249 SdHoareTripleChecker+Valid, 14132 SdHoareTripleChecker+Invalid, 41313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2976 IncrementalHoareTripleChecker+Valid, 36434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1903 IncrementalHoareTripleChecker+Unchecked, 70.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:59:19,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6249 Valid, 14132 Invalid, 41313 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2976 Valid, 36434 Invalid, 0 Unknown, 1903 Unchecked, 70.2s Time] [2022-10-16 13:59:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2022-10-16 13:59:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1410. [2022-10-16 13:59:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1058 states have (on average 1.2637051039697542) internal successors, (1337), 1085 states have internal predecessors, (1337), 271 states have call successors, (271), 76 states have call predecessors, (271), 77 states have return successors, (276), 269 states have call predecessors, (276), 271 states have call successors, (276) [2022-10-16 13:59:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1884 transitions. [2022-10-16 13:59:19,280 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1884 transitions. Word has length 308 [2022-10-16 13:59:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:59:19,281 INFO L495 AbstractCegarLoop]: Abstraction has 1410 states and 1884 transitions. [2022-10-16 13:59:19,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 34 states have (on average 6.0) internal successors, (204), 27 states have internal predecessors, (204), 8 states have call successors, (62), 8 states have call predecessors, (62), 6 states have return successors, (55), 9 states have call predecessors, (55), 8 states have call successors, (55) [2022-10-16 13:59:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1884 transitions. [2022-10-16 13:59:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-10-16 13:59:19,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:59:19,290 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:59:19,340 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 13:59:19,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 13:59:19,505 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting mdio_readErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ipg_nic_openErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ipg_nic_openErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 13:59:19,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:59:19,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1052077331, now seen corresponding path program 1 times [2022-10-16 13:59:19,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:59:19,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377496273] [2022-10-16 13:59:19,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:19,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:59:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:59:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:59:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:59:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:59:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:59:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-16 13:59:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:59:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 13:59:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:59:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 13:59:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:59:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 13:59:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 13:59:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-16 13:59:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-16 13:59:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-16 13:59:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-16 13:59:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:59:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 13:59:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-16 13:59:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-16 13:59:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-16 13:59:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:59:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-16 13:59:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:59:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-10-16 13:59:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:59:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:59:20,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:59:20,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377496273] [2022-10-16 13:59:20,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377496273] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:59:20,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643415738] [2022-10-16 13:59:20,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:20,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:59:20,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:59:20,811 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 13:59:20,831 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 13:59:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:22,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 3299 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 13:59:22,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:59:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 55 proven. 7 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-10-16 13:59:22,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:59:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-10-16 13:59:22,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643415738] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:59:22,427 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:59:22,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 16 [2022-10-16 13:59:22,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722280947] [2022-10-16 13:59:22,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:59:22,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 13:59:22,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:59:22,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 13:59:22,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:59:22,431 INFO L87 Difference]: Start difference. First operand 1410 states and 1884 transitions. Second operand has 16 states, 16 states have (on average 11.625) internal successors, (186), 11 states have internal predecessors, (186), 2 states have call successors, (60), 7 states have call predecessors, (60), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50)