/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--usb--misc--uss720.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:59:47,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:59:47,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:59:47,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:59:47,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:59:47,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:59:47,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:59:47,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:59:47,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:59:47,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:59:47,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:59:47,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:59:47,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:59:47,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:59:47,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:59:47,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:59:47,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:59:47,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:59:47,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:59:47,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:59:47,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:59:47,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:59:47,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:59:47,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:59:47,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:59:47,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:59:47,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:59:47,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:59:47,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:59:47,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:59:47,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:59:47,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:59:47,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:59:47,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:59:47,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:59:47,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:59:47,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:59:47,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:59:47,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:59:47,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:59:47,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:59:47,781 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 13:59:47,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:59:47,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:59:47,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:59:47,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:59:47,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:59:47,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:59:47,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:59:47,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:59:47,840 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:59:47,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:59:47,841 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:59:47,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:59:47,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:59:47,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:59:47,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:59:47,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:59:47,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:59:47,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:59:47,844 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:59:47,844 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:59:47,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:59:47,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:59:47,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:59:47,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:59:47,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:59:47,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:59:47,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:59:47,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:59:47,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:59:47,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:59:47,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:59:47,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:59:47,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:59:47,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:59:48,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:59:48,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:59:48,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:59:48,313 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:59:48,314 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:59:48,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.c [2022-10-16 13:59:48,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1d66647/c8ac34d3be5848f4a75a762d85ccd2dd/FLAG2f4b9ad5a [2022-10-16 13:59:49,523 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:59:49,525 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.c [2022-10-16 13:59:49,606 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1d66647/c8ac34d3be5848f4a75a762d85ccd2dd/FLAG2f4b9ad5a [2022-10-16 13:59:49,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1d66647/c8ac34d3be5848f4a75a762d85ccd2dd [2022-10-16 13:59:49,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:59:49,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:59:49,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:59:49,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:59:49,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:59:49,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:49" (1/1) ... [2022-10-16 13:59:49,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769a485a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:49, skipping insertion in model container [2022-10-16 13:59:49,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:49" (1/1) ... [2022-10-16 13:59:49,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:59:50,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:59:53,160 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[290833,290846] [2022-10-16 13:59:53,166 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[291407,291420] [2022-10-16 13:59:53,171 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[292606,292619] [2022-10-16 13:59:53,176 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293314,293327] [2022-10-16 13:59:53,180 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293755,293768] [2022-10-16 13:59:53,185 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293987,294000] [2022-10-16 13:59:53,190 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[294565,294578] [2022-10-16 13:59:53,195 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295155,295168] [2022-10-16 13:59:53,200 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295572,295585] [2022-10-16 13:59:53,204 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295969,295982] [2022-10-16 13:59:53,209 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[296204,296217] [2022-10-16 13:59:53,214 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[296952,296965] [2022-10-16 13:59:53,219 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[297373,297386] [2022-10-16 13:59:53,223 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[298000,298013] [2022-10-16 13:59:53,227 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[298415,298428] [2022-10-16 13:59:53,232 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[299059,299072] [2022-10-16 13:59:53,237 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[299789,299802] [2022-10-16 13:59:53,241 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[300625,300638] [2022-10-16 13:59:53,247 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[301971,301984] [2022-10-16 13:59:53,252 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[302369,302382] [2022-10-16 13:59:53,256 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[302926,302939] [2022-10-16 13:59:53,261 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[303309,303322] [2022-10-16 13:59:53,266 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[303925,303938] [2022-10-16 13:59:53,270 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[304499,304512] [2022-10-16 13:59:53,275 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[305412,305425] [2022-10-16 13:59:53,280 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[305803,305816] [2022-10-16 13:59:53,285 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[306032,306045] [2022-10-16 13:59:53,289 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[306438,306451] [2022-10-16 13:59:53,294 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[307295,307308] [2022-10-16 13:59:53,299 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[307702,307715] [2022-10-16 13:59:53,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:59:53,328 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:59:53,661 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[290833,290846] [2022-10-16 13:59:53,661 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[291407,291420] [2022-10-16 13:59:53,662 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[292606,292619] [2022-10-16 13:59:53,663 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293314,293327] [2022-10-16 13:59:53,664 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293755,293768] [2022-10-16 13:59:53,664 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[293987,294000] [2022-10-16 13:59:53,665 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[294565,294578] [2022-10-16 13:59:53,665 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295155,295168] [2022-10-16 13:59:53,666 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295572,295585] [2022-10-16 13:59:53,666 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[295969,295982] [2022-10-16 13:59:53,666 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[296204,296217] [2022-10-16 13:59:53,667 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[296952,296965] [2022-10-16 13:59:53,668 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[297373,297386] [2022-10-16 13:59:53,668 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[298000,298013] [2022-10-16 13:59:53,668 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[298415,298428] [2022-10-16 13:59:53,669 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[299059,299072] [2022-10-16 13:59:53,670 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[299789,299802] [2022-10-16 13:59:53,670 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[300625,300638] [2022-10-16 13:59:53,671 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[301971,301984] [2022-10-16 13:59:53,672 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[302369,302382] [2022-10-16 13:59:53,672 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[302926,302939] [2022-10-16 13:59:53,673 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[303309,303322] [2022-10-16 13:59:53,673 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[303925,303938] [2022-10-16 13:59:53,674 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[304499,304512] [2022-10-16 13:59:53,674 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[305412,305425] [2022-10-16 13:59:53,675 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[305803,305816] [2022-10-16 13:59:53,675 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[306032,306045] [2022-10-16 13:59:53,676 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[306438,306451] [2022-10-16 13:59:53,676 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[307295,307308] [2022-10-16 13:59:53,677 WARN L230 ndardFunctionHandler]: 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--usb--misc--uss720.ko.cil.c[307702,307715] [2022-10-16 13:59:53,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:59:53,910 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:59:53,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53 WrapperNode [2022-10-16 13:59:53,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:59:53,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:59:53,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:59:53,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:59:53,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,245 INFO L138 Inliner]: procedures = 543, calls = 1466, calls flagged for inlining = 222, calls inlined = 152, statements flattened = 3151 [2022-10-16 13:59:54,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:59:54,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:59:54,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:59:54,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:59:54,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,590 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:59:54,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:59:54,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:59:54,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:59:54,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (1/1) ... [2022-10-16 13:59:54,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:59:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:59:54,697 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 13:59:54,721 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 13:59:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-10-16 13:59:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-10-16 13:59:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:59:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:59:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 13:59:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 13:59:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2022-10-16 13:59:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2022-10-16 13:59:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2022-10-16 13:59:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2022-10-16 13:59:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 13:59:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 13:59:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:59:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:59:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:59:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:59:54,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:59:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:59:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 13:59:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 13:59:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:59:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:59:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:59:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:59:54,782 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_status [2022-10-16 13:59:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_status [2022-10-16 13:59:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:59:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 13:59:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_data [2022-10-16 13:59:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_data [2022-10-16 13:59:54,783 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_port [2022-10-16 13:59:54,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:59:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:59:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:59:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:59:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 13:59:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 13:59:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:59:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:59:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:59:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:59:54,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:59:54,787 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2022-10-16 13:59:54,787 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2022-10-16 13:59:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:59:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:59:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:59:54,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 13:59:54,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 13:59:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-16 13:59:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-16 13:59:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:59:54,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:59:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:59:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:59:54,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:59:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure parport_put_port [2022-10-16 13:59:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 13:59:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 13:59:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 13:59:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:59:54,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:59:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:59:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:59:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_dev [2022-10-16 13:59:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_dev [2022-10-16 13:59:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:59:54,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:59:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:59:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:59:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2022-10-16 13:59:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2022-10-16 13:59:54,803 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 13:59:54,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 13:59:54,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:59:54,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:59:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 13:59:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 13:59:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:59:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:59:54,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:59:54,805 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 13:59:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2022-10-16 13:59:54,806 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:59:54,806 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:59:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:59:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 13:59:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-16 13:59:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:59:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 13:59:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-16 13:59:54,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2022-10-16 13:59:54,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2022-10-16 13:59:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 13:59:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-10-16 13:59:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 13:59:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:59:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:59:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2022-10-16 13:59:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2022-10-16 13:59:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:59:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:59:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_1284_register [2022-10-16 13:59:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_1284_register [2022-10-16 13:59:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure parport_ieee1284_interrupt [2022-10-16 13:59:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-16 13:59:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-16 13:59:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:59:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2022-10-16 13:59:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:59:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:59:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2022-10-16 13:59:54,810 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2022-10-16 13:59:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-10-16 13:59:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure parport_ieee1284_read_byte [2022-10-16 13:59:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:59:54,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:59:54,811 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-16 13:59:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:59:54,812 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:59:54,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:59:54,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:59:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 13:59:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 13:59:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:59:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:59:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure parport_announce_port [2022-10-16 13:59:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:59:54,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-16 13:59:54,814 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:59:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 13:59:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2022-10-16 13:59:54,815 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2022-10-16 13:59:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:59:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:59:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_control [2022-10-16 13:59:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_control [2022-10-16 13:59:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:59:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-16 13:59:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 13:59:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 13:59:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:59:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:59:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 13:59:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 13:59:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:59:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:59:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2022-10-16 13:59:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2022-10-16 13:59:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-16 13:59:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-16 13:59:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 13:59:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 13:59:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure clear_epp_timeout [2022-10-16 13:59:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_epp_timeout [2022-10-16 13:59:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:59:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:59:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2022-10-16 13:59:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2022-10-16 13:59:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2022-10-16 13:59:54,818 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 13:59:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_async_requests_priv [2022-10-16 13:59:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_async_requests_priv [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:59:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-16 13:59:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:59:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:59:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-16 13:59:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 13:59:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 13:59:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 13:59:54,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 13:59:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 13:59:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 13:59:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:59:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:59:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:59:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:59:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:59:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:59:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:59:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:59:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:59:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:59:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 13:59:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 13:59:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:59:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:59:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:59:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:59:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 13:59:54,827 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 13:59:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 13:59:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure parport_ieee1284_read_nibble [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-10-16 13:59:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 13:59:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:59:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure parport_remove_port [2022-10-16 13:59:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:59:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:59:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:59:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:59:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:59:55,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:59:55,603 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:59:58,569 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:59:58,591 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:59:58,591 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 13:59:58,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:58 BoogieIcfgContainer [2022-10-16 13:59:58,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:59:58,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:59:58,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:59:58,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:59:58,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:59:49" (1/3) ... [2022-10-16 13:59:58,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561ad05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:58, skipping insertion in model container [2022-10-16 13:59:58,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:53" (2/3) ... [2022-10-16 13:59:58,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561ad05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:58, skipping insertion in model container [2022-10-16 13:59:58,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:58" (3/3) ... [2022-10-16 13:59:58,607 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.c [2022-10-16 13:59:58,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:59:58,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-10-16 13:59:58,726 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:59:58,735 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;@2b1e1342, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:59:58,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-10-16 13:59:58,747 INFO L276 IsEmpty]: Start isEmpty. Operand has 1189 states, 804 states have (on average 1.3171641791044777) internal successors, (1059), 873 states have internal predecessors, (1059), 267 states have call successors, (267), 93 states have call predecessors, (267), 93 states have return successors, (267), 260 states have call predecessors, (267), 267 states have call successors, (267) [2022-10-16 13:59:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 13:59:58,787 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:59:58,788 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:59:58,789 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting set_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 13:59:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:59:58,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1268047799, now seen corresponding path program 1 times [2022-10-16 13:59:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:59:58,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558831064] [2022-10-16 13:59:58,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:59:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:59:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:59:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 13:59:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 13:59:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:59:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 13:59:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 13:59:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:59:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:59:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:59:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:59:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:59:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:59:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:59:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:59:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:59:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:59:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:59:59,839 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 13:59:59,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:59:59,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558831064] [2022-10-16 13:59:59,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558831064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:59:59,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:59:59,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:59:59,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707552432] [2022-10-16 13:59:59,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:59:59,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:59:59,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:59:59,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:59:59,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:59:59,907 INFO L87 Difference]: Start difference. First operand has 1189 states, 804 states have (on average 1.3171641791044777) internal successors, (1059), 873 states have internal predecessors, (1059), 267 states have call successors, (267), 93 states have call predecessors, (267), 93 states have return successors, (267), 260 states have call predecessors, (267), 267 states have call successors, (267) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:00:03,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:03,233 INFO L93 Difference]: Finished difference Result 2447 states and 3560 transitions. [2022-10-16 14:00:03,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:00:03,236 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2022-10-16 14:00:03,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:03,262 INFO L225 Difference]: With dead ends: 2447 [2022-10-16 14:00:03,262 INFO L226 Difference]: Without dead ends: 1043 [2022-10-16 14:00:03,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:03,286 INFO L413 NwaCegarLoop]: 1368 mSDtfsCounter, 1798 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 1228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1228 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:03,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1798 Valid, 2473 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1228 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-16 14:00:03,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2022-10-16 14:00:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 913. [2022-10-16 14:00:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 654 states have (on average 1.2737003058103975) internal successors, (833), 684 states have internal predecessors, (833), 193 states have call successors, (193), 48 states have call predecessors, (193), 48 states have return successors, (193), 187 states have call predecessors, (193), 193 states have call successors, (193) [2022-10-16 14:00:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1219 transitions. [2022-10-16 14:00:03,469 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1219 transitions. Word has length 111 [2022-10-16 14:00:03,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:03,469 INFO L495 AbstractCegarLoop]: Abstraction has 913 states and 1219 transitions. [2022-10-16 14:00:03,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2022-10-16 14:00:03,470 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1219 transitions. [2022-10-16 14:00:03,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 14:00:03,474 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:03,474 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:03,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:00:03,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:03,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash -124246756, now seen corresponding path program 1 times [2022-10-16 14:00:03,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:03,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103357121] [2022-10-16 14:00:03,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:03,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:03,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:00:04,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:04,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103357121] [2022-10-16 14:00:04,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103357121] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:04,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:04,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:00:04,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266082391] [2022-10-16 14:00:04,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:04,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:00:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:04,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:00:04,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:00:04,344 INFO L87 Difference]: Start difference. First operand 913 states and 1219 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:00:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:10,867 INFO L93 Difference]: Finished difference Result 2910 states and 4206 transitions. [2022-10-16 14:00:10,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:00:10,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 150 [2022-10-16 14:00:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:10,901 INFO L225 Difference]: With dead ends: 2910 [2022-10-16 14:00:10,902 INFO L226 Difference]: Without dead ends: 2035 [2022-10-16 14:00:10,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:00:10,923 INFO L413 NwaCegarLoop]: 1371 mSDtfsCounter, 3818 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 2309 mSolverCounterSat, 2293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2293 IncrementalHoareTripleChecker+Valid, 2309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:10,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3856 Valid, 3055 Invalid, 4602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2293 Valid, 2309 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 14:00:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2022-10-16 14:00:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1887. [2022-10-16 14:00:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1887 states, 1366 states have (on average 1.2664714494875549) internal successors, (1730), 1408 states have internal predecessors, (1730), 393 states have call successors, (393), 96 states have call predecessors, (393), 112 states have return successors, (533), 394 states have call predecessors, (533), 393 states have call successors, (533) [2022-10-16 14:00:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2656 transitions. [2022-10-16 14:00:11,150 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2656 transitions. Word has length 150 [2022-10-16 14:00:11,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:11,153 INFO L495 AbstractCegarLoop]: Abstraction has 1887 states and 2656 transitions. [2022-10-16 14:00:11,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-10-16 14:00:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2656 transitions. [2022-10-16 14:00:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-16 14:00:11,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:11,161 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:00:11,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:00:11,162 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:11,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2013079873, now seen corresponding path program 1 times [2022-10-16 14:00:11,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:11,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818206847] [2022-10-16 14:00:11,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:11,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:00:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:00:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:00:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:00:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:00:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:00:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:00:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-10-16 14:00:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 14:00:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 14:00:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-10-16 14:00:12,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:12,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818206847] [2022-10-16 14:00:12,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818206847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:12,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:12,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-16 14:00:12,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527291851] [2022-10-16 14:00:12,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:12,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:00:12,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:12,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:00:12,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:00:12,250 INFO L87 Difference]: Start difference. First operand 1887 states and 2656 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:00:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:21,649 INFO L93 Difference]: Finished difference Result 4389 states and 6390 transitions. [2022-10-16 14:00:21,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:00:21,650 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 135 [2022-10-16 14:00:21,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:21,678 INFO L225 Difference]: With dead ends: 4389 [2022-10-16 14:00:21,678 INFO L226 Difference]: Without dead ends: 2782 [2022-10-16 14:00:21,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:00:21,693 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 3080 mSDsluCounter, 4276 mSDsCounter, 0 mSdLazyCounter, 5630 mSolverCounterSat, 1960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3080 SdHoareTripleChecker+Valid, 5703 SdHoareTripleChecker+Invalid, 7590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1960 IncrementalHoareTripleChecker+Valid, 5630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:21,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3080 Valid, 5703 Invalid, 7590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1960 Valid, 5630 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-10-16 14:00:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2782 states. [2022-10-16 14:00:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2782 to 2128. [2022-10-16 14:00:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2128 states, 1532 states have (on average 1.262402088772846) internal successors, (1934), 1581 states have internal predecessors, (1934), 467 states have call successors, (467), 96 states have call predecessors, (467), 113 states have return successors, (631), 468 states have call predecessors, (631), 467 states have call successors, (631) [2022-10-16 14:00:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 2128 states and 3032 transitions. [2022-10-16 14:00:21,950 INFO L78 Accepts]: Start accepts. Automaton has 2128 states and 3032 transitions. Word has length 135 [2022-10-16 14:00:21,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:21,954 INFO L495 AbstractCegarLoop]: Abstraction has 2128 states and 3032 transitions. [2022-10-16 14:00:21,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-10-16 14:00:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 3032 transitions. [2022-10-16 14:00:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 14:00:21,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:21,963 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2022-10-16 14:00:21,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:00:21,963 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:21,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:21,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1409337256, now seen corresponding path program 1 times [2022-10-16 14:00:21,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:21,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459014322] [2022-10-16 14:00:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:21,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:00:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:00:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:00:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:00:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:00:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:00:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:00:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 14:00:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 14:00:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:00:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-10-16 14:00:23,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:23,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459014322] [2022-10-16 14:00:23,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459014322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:23,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:23,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:00:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105925325] [2022-10-16 14:00:23,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:23,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:00:23,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:00:23,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:00:23,164 INFO L87 Difference]: Start difference. First operand 2128 states and 3032 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:00:31,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:31,228 INFO L93 Difference]: Finished difference Result 4292 states and 6654 transitions. [2022-10-16 14:00:31,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 14:00:31,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2022-10-16 14:00:31,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:31,255 INFO L225 Difference]: With dead ends: 4292 [2022-10-16 14:00:31,256 INFO L226 Difference]: Without dead ends: 2350 [2022-10-16 14:00:31,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-10-16 14:00:31,283 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 1495 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 4055 mSolverCounterSat, 1150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1495 SdHoareTripleChecker+Valid, 3773 SdHoareTripleChecker+Invalid, 5205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1150 IncrementalHoareTripleChecker+Valid, 4055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:31,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1495 Valid, 3773 Invalid, 5205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1150 Valid, 4055 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-10-16 14:00:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2022-10-16 14:00:31,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 2140. [2022-10-16 14:00:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2140 states, 1541 states have (on average 1.2608695652173914) internal successors, (1943), 1590 states have internal predecessors, (1943), 467 states have call successors, (467), 96 states have call predecessors, (467), 116 states have return successors, (637), 471 states have call predecessors, (637), 467 states have call successors, (637) [2022-10-16 14:00:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 3047 transitions. [2022-10-16 14:00:31,527 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 3047 transitions. Word has length 136 [2022-10-16 14:00:31,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:31,527 INFO L495 AbstractCegarLoop]: Abstraction has 2140 states and 3047 transitions. [2022-10-16 14:00:31,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:00:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 3047 transitions. [2022-10-16 14:00:31,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 14:00:31,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:31,532 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:00:31,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:00:31,533 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash 374003533, now seen corresponding path program 1 times [2022-10-16 14:00:31,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:31,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400922188] [2022-10-16 14:00:31,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:00:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:00:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:00:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:00:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:00:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:00:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:00:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 14:00:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:00:32,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:32,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400922188] [2022-10-16 14:00:32,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400922188] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:32,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:32,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:00:32,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261906718] [2022-10-16 14:00:32,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:32,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:00:32,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:32,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:00:32,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:00:32,229 INFO L87 Difference]: Start difference. First operand 2140 states and 3047 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:00:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:39,337 INFO L93 Difference]: Finished difference Result 4293 states and 6343 transitions. [2022-10-16 14:00:39,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:00:39,338 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2022-10-16 14:00:39,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:39,362 INFO L225 Difference]: With dead ends: 4293 [2022-10-16 14:00:39,362 INFO L226 Difference]: Without dead ends: 2748 [2022-10-16 14:00:39,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:00:39,373 INFO L413 NwaCegarLoop]: 1376 mSDtfsCounter, 2064 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 3788 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 4925 SdHoareTripleChecker+Invalid, 5370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 3788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:39,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 4925 Invalid, 5370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1582 Valid, 3788 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-10-16 14:00:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-10-16 14:00:39,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2148. [2022-10-16 14:00:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2148 states, 1547 states have (on average 1.259857789269554) internal successors, (1949), 1596 states have internal predecessors, (1949), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 473 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:00:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 2148 states and 3104 transitions. [2022-10-16 14:00:39,621 INFO L78 Accepts]: Start accepts. Automaton has 2148 states and 3104 transitions. Word has length 134 [2022-10-16 14:00:39,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:39,623 INFO L495 AbstractCegarLoop]: Abstraction has 2148 states and 3104 transitions. [2022-10-16 14:00:39,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:00:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 3104 transitions. [2022-10-16 14:00:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 14:00:39,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:39,629 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:00:39,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:00:39,629 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:39,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:39,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1937796960, now seen corresponding path program 1 times [2022-10-16 14:00:39,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:39,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287344269] [2022-10-16 14:00:39,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:39,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:00:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:00:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:00:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:00:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:00:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:00:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:00:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-16 14:00:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:00:40,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:40,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287344269] [2022-10-16 14:00:40,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287344269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:40,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:40,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:00:40,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796835873] [2022-10-16 14:00:40,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:40,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:00:40,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:40,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:00:40,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:00:40,319 INFO L87 Difference]: Start difference. First operand 2148 states and 3104 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:00:48,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:48,740 INFO L93 Difference]: Finished difference Result 4309 states and 6408 transitions. [2022-10-16 14:00:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:00:48,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 139 [2022-10-16 14:00:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:48,768 INFO L225 Difference]: With dead ends: 4309 [2022-10-16 14:00:48,768 INFO L226 Difference]: Without dead ends: 2756 [2022-10-16 14:00:48,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:00:48,781 INFO L413 NwaCegarLoop]: 1372 mSDtfsCounter, 1698 mSDsluCounter, 4021 mSDsCounter, 0 mSdLazyCounter, 4478 mSolverCounterSat, 1103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 5393 SdHoareTripleChecker+Invalid, 5581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1103 IncrementalHoareTripleChecker+Valid, 4478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:48,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 5393 Invalid, 5581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1103 Valid, 4478 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 14:00:48,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2756 states. [2022-10-16 14:00:49,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2756 to 2152. [2022-10-16 14:00:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2152 states, 1551 states have (on average 1.2591876208897486) internal successors, (1953), 1598 states have internal predecessors, (1953), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 475 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:00:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 3108 transitions. [2022-10-16 14:00:49,037 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 3108 transitions. Word has length 139 [2022-10-16 14:00:49,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:49,038 INFO L495 AbstractCegarLoop]: Abstraction has 2152 states and 3108 transitions. [2022-10-16 14:00:49,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:00:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 3108 transitions. [2022-10-16 14:00:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 14:00:49,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:49,043 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:00:49,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:00:49,044 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:49,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:49,044 INFO L85 PathProgramCache]: Analyzing trace with hash 585776921, now seen corresponding path program 1 times [2022-10-16 14:00:49,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:49,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104922334] [2022-10-16 14:00:49,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:49,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:00:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:00:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:00:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:00:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:00:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:00:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:00:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 14:00:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:00:49,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:49,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104922334] [2022-10-16 14:00:49,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104922334] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:49,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:49,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:00:49,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731783155] [2022-10-16 14:00:49,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:49,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:00:49,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:49,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:00:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:00:49,807 INFO L87 Difference]: Start difference. First operand 2152 states and 3108 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 14:00:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:00:55,949 INFO L93 Difference]: Finished difference Result 3951 states and 6019 transitions. [2022-10-16 14:00:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:00:55,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 137 [2022-10-16 14:00:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:00:55,973 INFO L225 Difference]: With dead ends: 3951 [2022-10-16 14:00:55,973 INFO L226 Difference]: Without dead ends: 2390 [2022-10-16 14:00:55,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:00:55,987 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 1951 mSDsluCounter, 1906 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 1618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 4521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1618 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:00:55,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 2975 Invalid, 4521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1618 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 14:00:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2022-10-16 14:00:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 2168. [2022-10-16 14:00:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2168 states, 1567 states have (on average 1.2590938098276963) internal successors, (1973), 1614 states have internal predecessors, (1973), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 475 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:00:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 2168 states and 3128 transitions. [2022-10-16 14:00:56,315 INFO L78 Accepts]: Start accepts. Automaton has 2168 states and 3128 transitions. Word has length 137 [2022-10-16 14:00:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:00:56,316 INFO L495 AbstractCegarLoop]: Abstraction has 2168 states and 3128 transitions. [2022-10-16 14:00:56,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-16 14:00:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 3128 transitions. [2022-10-16 14:00:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-16 14:00:56,322 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:00:56,322 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 14:00:56,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:00:56,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:00:56,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:00:56,323 INFO L85 PathProgramCache]: Analyzing trace with hash 987747595, now seen corresponding path program 1 times [2022-10-16 14:00:56,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:00:56,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848259488] [2022-10-16 14:00:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:00:56,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:00:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:00:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:00:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:00:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:00:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 14:00:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 14:00:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:00:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:00:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 14:00:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:00:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:00:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:00:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:00:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 14:00:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-16 14:00:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:00:57,181 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-10-16 14:00:57,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:00:57,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848259488] [2022-10-16 14:00:57,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848259488] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:00:57,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:00:57,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:00:57,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385656180] [2022-10-16 14:00:57,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:00:57,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:00:57,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:00:57,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:00:57,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:00:57,184 INFO L87 Difference]: Start difference. First operand 2168 states and 3128 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 14:01:05,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:05,415 INFO L93 Difference]: Finished difference Result 4302 states and 6411 transitions. [2022-10-16 14:01:05,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:01:05,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 170 [2022-10-16 14:01:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:05,434 INFO L225 Difference]: With dead ends: 4302 [2022-10-16 14:01:05,434 INFO L226 Difference]: Without dead ends: 2316 [2022-10-16 14:01:05,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:01:05,449 INFO L413 NwaCegarLoop]: 2078 mSDtfsCounter, 2396 mSDsluCounter, 2929 mSDsCounter, 0 mSdLazyCounter, 4066 mSolverCounterSat, 1856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2431 SdHoareTripleChecker+Valid, 5007 SdHoareTripleChecker+Invalid, 5922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1856 IncrementalHoareTripleChecker+Valid, 4066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:05,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2431 Valid, 5007 Invalid, 5922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1856 Valid, 4066 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-10-16 14:01:05,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-10-16 14:01:05,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2159. [2022-10-16 14:01:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1560 states have (on average 1.2583333333333333) internal successors, (1963), 1605 states have internal predecessors, (1963), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 475 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:01:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3118 transitions. [2022-10-16 14:01:05,671 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3118 transitions. Word has length 170 [2022-10-16 14:01:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:05,672 INFO L495 AbstractCegarLoop]: Abstraction has 2159 states and 3118 transitions. [2022-10-16 14:01:05,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 14:01:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3118 transitions. [2022-10-16 14:01:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-16 14:01:05,677 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:05,677 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:01:05,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:01:05,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:05,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:05,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1320895551, now seen corresponding path program 1 times [2022-10-16 14:01:05,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:05,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971136939] [2022-10-16 14:01:05,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:05,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 14:01:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 14:01:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 14:01:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-10-16 14:01:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:06,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971136939] [2022-10-16 14:01:06,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971136939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:06,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:06,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:01:06,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065945486] [2022-10-16 14:01:06,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:06,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:01:06,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:06,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:01:06,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:01:06,713 INFO L87 Difference]: Start difference. First operand 2159 states and 3118 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:01:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:13,135 INFO L93 Difference]: Finished difference Result 4308 states and 6473 transitions. [2022-10-16 14:01:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:01:13,136 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 142 [2022-10-16 14:01:13,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:13,158 INFO L225 Difference]: With dead ends: 4308 [2022-10-16 14:01:13,158 INFO L226 Difference]: Without dead ends: 2363 [2022-10-16 14:01:13,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:01:13,173 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 1654 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 3571 mSolverCounterSat, 1360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1654 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 4931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1360 IncrementalHoareTripleChecker+Valid, 3571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:13,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1654 Valid, 3474 Invalid, 4931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1360 Valid, 3571 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 14:01:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2022-10-16 14:01:13,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 2163. [2022-10-16 14:01:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2163 states, 1564 states have (on average 1.2576726342710998) internal successors, (1967), 1607 states have internal predecessors, (1967), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 477 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:01:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 2163 states and 3122 transitions. [2022-10-16 14:01:13,417 INFO L78 Accepts]: Start accepts. Automaton has 2163 states and 3122 transitions. Word has length 142 [2022-10-16 14:01:13,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:13,417 INFO L495 AbstractCegarLoop]: Abstraction has 2163 states and 3122 transitions. [2022-10-16 14:01:13,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-16 14:01:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 3122 transitions. [2022-10-16 14:01:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-10-16 14:01:13,422 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:13,422 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:13,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 14:01:13,423 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:13,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1660350041, now seen corresponding path program 1 times [2022-10-16 14:01:13,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:13,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835395418] [2022-10-16 14:01:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:13,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-10-16 14:01:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:01:14,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:14,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835395418] [2022-10-16 14:01:14,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835395418] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:14,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:14,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:01:14,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674401460] [2022-10-16 14:01:14,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:14,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:01:14,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:14,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:01:14,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:14,069 INFO L87 Difference]: Start difference. First operand 2163 states and 3122 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:21,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:21,258 INFO L93 Difference]: Finished difference Result 4341 states and 6442 transitions. [2022-10-16 14:01:21,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:01:21,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 141 [2022-10-16 14:01:21,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:21,283 INFO L225 Difference]: With dead ends: 4341 [2022-10-16 14:01:21,283 INFO L226 Difference]: Without dead ends: 2773 [2022-10-16 14:01:21,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:01:21,292 INFO L413 NwaCegarLoop]: 1373 mSDtfsCounter, 1867 mSDsluCounter, 3549 mSDsCounter, 0 mSdLazyCounter, 3974 mSolverCounterSat, 1351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 4922 SdHoareTripleChecker+Invalid, 5325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1351 IncrementalHoareTripleChecker+Valid, 3974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:21,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 4922 Invalid, 5325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1351 Valid, 3974 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 14:01:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-10-16 14:01:21,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2167. [2022-10-16 14:01:21,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 1568 states have (on average 1.257015306122449) internal successors, (1971), 1609 states have internal predecessors, (1971), 467 states have call successors, (467), 96 states have call predecessors, (467), 118 states have return successors, (688), 479 states have call predecessors, (688), 467 states have call successors, (688) [2022-10-16 14:01:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 3126 transitions. [2022-10-16 14:01:21,561 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 3126 transitions. Word has length 141 [2022-10-16 14:01:21,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:21,562 INFO L495 AbstractCegarLoop]: Abstraction has 2167 states and 3126 transitions. [2022-10-16 14:01:21,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 3126 transitions. [2022-10-16 14:01:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 14:01:21,567 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:21,567 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:21,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:01:21,568 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:21,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2017882849, now seen corresponding path program 1 times [2022-10-16 14:01:21,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:21,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385860952] [2022-10-16 14:01:21,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:21,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 14:01:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:01:22,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:22,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385860952] [2022-10-16 14:01:22,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385860952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:22,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:22,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:01:22,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631804286] [2022-10-16 14:01:22,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:22,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:01:22,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:01:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:22,292 INFO L87 Difference]: Start difference. First operand 2167 states and 3126 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 7 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:30,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:30,324 INFO L93 Difference]: Finished difference Result 3947 states and 5929 transitions. [2022-10-16 14:01:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:01:30,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 7 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 1 states have call successors, (19) Word has length 140 [2022-10-16 14:01:30,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:30,345 INFO L225 Difference]: With dead ends: 3947 [2022-10-16 14:01:30,346 INFO L226 Difference]: Without dead ends: 2375 [2022-10-16 14:01:30,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:01:30,355 INFO L413 NwaCegarLoop]: 1073 mSDtfsCounter, 1668 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 3886 mSolverCounterSat, 1362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 5248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1362 IncrementalHoareTripleChecker+Valid, 3886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:30,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 3754 Invalid, 5248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1362 Valid, 3886 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 14:01:30,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-10-16 14:01:30,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2175. [2022-10-16 14:01:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2175 states, 1574 states have (on average 1.2560355781448538) internal successors, (1977), 1615 states have internal predecessors, (1977), 467 states have call successors, (467), 96 states have call predecessors, (467), 120 states have return successors, (724), 481 states have call predecessors, (724), 467 states have call successors, (724) [2022-10-16 14:01:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 2175 states and 3168 transitions. [2022-10-16 14:01:30,607 INFO L78 Accepts]: Start accepts. Automaton has 2175 states and 3168 transitions. Word has length 140 [2022-10-16 14:01:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:30,608 INFO L495 AbstractCegarLoop]: Abstraction has 2175 states and 3168 transitions. [2022-10-16 14:01:30,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 7 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 3168 transitions. [2022-10-16 14:01:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-16 14:01:30,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:30,614 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:30,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:01:30,614 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:30,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:30,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1905047895, now seen corresponding path program 1 times [2022-10-16 14:01:30,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:30,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712847092] [2022-10-16 14:01:30,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:30,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 14:01:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-10-16 14:01:31,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:31,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712847092] [2022-10-16 14:01:31,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712847092] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:31,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:31,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-16 14:01:31,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074124897] [2022-10-16 14:01:31,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:31,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:01:31,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:31,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:01:31,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:01:31,223 INFO L87 Difference]: Start difference. First operand 2175 states and 3168 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:39,574 INFO L93 Difference]: Finished difference Result 4369 states and 6544 transitions. [2022-10-16 14:01:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:01:39,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2022-10-16 14:01:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:39,593 INFO L225 Difference]: With dead ends: 4369 [2022-10-16 14:01:39,593 INFO L226 Difference]: Without dead ends: 2789 [2022-10-16 14:01:39,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:01:39,601 INFO L413 NwaCegarLoop]: 1357 mSDtfsCounter, 1698 mSDsluCounter, 3971 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 1119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 5328 SdHoareTripleChecker+Invalid, 5541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1119 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:39,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 5328 Invalid, 5541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1119 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-10-16 14:01:39,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2789 states. [2022-10-16 14:01:39,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2789 to 2179. [2022-10-16 14:01:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 1578 states have (on average 1.255386565272497) internal successors, (1981), 1617 states have internal predecessors, (1981), 467 states have call successors, (467), 96 states have call predecessors, (467), 120 states have return successors, (724), 483 states have call predecessors, (724), 467 states have call successors, (724) [2022-10-16 14:01:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 3172 transitions. [2022-10-16 14:01:39,916 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 3172 transitions. Word has length 145 [2022-10-16 14:01:39,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:39,917 INFO L495 AbstractCegarLoop]: Abstraction has 2179 states and 3172 transitions. [2022-10-16 14:01:39,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 7 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-16 14:01:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 3172 transitions. [2022-10-16 14:01:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 14:01:39,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:39,924 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:39,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:01:39,924 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:39,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:39,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2080380360, now seen corresponding path program 1 times [2022-10-16 14:01:39,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:39,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974352105] [2022-10-16 14:01:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:39,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:01:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:01:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:01:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:01:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:01:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 14:01:41,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:41,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974352105] [2022-10-16 14:01:41,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974352105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:41,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:41,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-16 14:01:41,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90463706] [2022-10-16 14:01:41,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:41,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:01:41,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:41,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:01:41,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:01:41,180 INFO L87 Difference]: Start difference. First operand 2179 states and 3172 transitions. Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2022-10-16 14:01:50,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:01:50,211 INFO L93 Difference]: Finished difference Result 4444 states and 6987 transitions. [2022-10-16 14:01:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 14:01:50,214 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) Word has length 172 [2022-10-16 14:01:50,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:01:50,231 INFO L225 Difference]: With dead ends: 4444 [2022-10-16 14:01:50,231 INFO L226 Difference]: Without dead ends: 2395 [2022-10-16 14:01:50,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:01:50,242 INFO L413 NwaCegarLoop]: 1069 mSDtfsCounter, 2908 mSDsluCounter, 2758 mSDsCounter, 0 mSdLazyCounter, 5119 mSolverCounterSat, 1911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3012 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 7030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1911 IncrementalHoareTripleChecker+Valid, 5119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:01:50,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3012 Valid, 3827 Invalid, 7030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1911 Valid, 5119 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-10-16 14:01:50,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2022-10-16 14:01:50,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2179. [2022-10-16 14:01:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 1578 states have (on average 1.2541191381495564) internal successors, (1979), 1617 states have internal predecessors, (1979), 467 states have call successors, (467), 96 states have call predecessors, (467), 120 states have return successors, (724), 483 states have call predecessors, (724), 467 states have call successors, (724) [2022-10-16 14:01:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 3170 transitions. [2022-10-16 14:01:50,505 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 3170 transitions. Word has length 172 [2022-10-16 14:01:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:01:50,506 INFO L495 AbstractCegarLoop]: Abstraction has 2179 states and 3170 transitions. [2022-10-16 14:01:50,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 6 states have internal predecessors, (90), 4 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 5 states have call predecessors, (26), 4 states have call successors, (26) [2022-10-16 14:01:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 3170 transitions. [2022-10-16 14:01:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-10-16 14:01:50,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:01:50,512 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:01:50,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:01:50,512 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:01:50,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:01:50,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1186894022, now seen corresponding path program 1 times [2022-10-16 14:01:50,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:01:50,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834355163] [2022-10-16 14:01:50,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:01:50,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:01:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 14:01:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 14:01:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 14:01:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 14:01:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 14:01:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-16 14:01:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 14:01:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 14:01:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 14:01:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 14:01:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 14:01:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 14:01:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 14:01:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 14:01:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 14:01:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 14:01:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 14:01:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:52,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 14:01:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 14:01:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-16 14:01:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-16 14:01:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:01:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 14:01:52,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:01:52,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834355163] [2022-10-16 14:01:52,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834355163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:01:52,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:01:52,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 14:01:52,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716353246] [2022-10-16 14:01:52,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:01:52,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:01:52,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:01:52,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:01:52,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:01:52,135 INFO L87 Difference]: Start difference. First operand 2179 states and 3170 transitions. Second operand has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (29), 7 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 14:02:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:02,782 INFO L93 Difference]: Finished difference Result 4224 states and 6554 transitions. [2022-10-16 14:02:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:02:02,783 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (29), 7 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2022-10-16 14:02:02,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:02,796 INFO L225 Difference]: With dead ends: 4224 [2022-10-16 14:02:02,796 INFO L226 Difference]: Without dead ends: 2231 [2022-10-16 14:02:02,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2022-10-16 14:02:02,810 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 1540 mSDsluCounter, 4808 mSDsCounter, 0 mSdLazyCounter, 7204 mSolverCounterSat, 1223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 5873 SdHoareTripleChecker+Invalid, 8427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1223 IncrementalHoareTripleChecker+Valid, 7204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:02,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 5873 Invalid, 8427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1223 Valid, 7204 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-10-16 14:02:02,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-10-16 14:02:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2117. [2022-10-16 14:02:03,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1536 states have (on average 1.251953125) internal successors, (1923), 1574 states have internal predecessors, (1923), 447 states have call successors, (447), 96 states have call predecessors, (447), 120 states have return successors, (698), 464 states have call predecessors, (698), 447 states have call successors, (698) [2022-10-16 14:02:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 3068 transitions. [2022-10-16 14:02:03,131 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 3068 transitions. Word has length 172 [2022-10-16 14:02:03,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:03,134 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 3068 transitions. [2022-10-16 14:02:03,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 7 states have internal predecessors, (90), 2 states have call successors, (29), 7 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 14:02:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 3068 transitions. [2022-10-16 14:02:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-10-16 14:02:03,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:03,142 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 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] [2022-10-16 14:02:03,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:02:03,142 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:03,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:03,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2077783472, now seen corresponding path program 1 times [2022-10-16 14:02:03,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:03,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325112494] [2022-10-16 14:02:03,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:03,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:03,231 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:03,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469174471] [2022-10-16 14:02:03,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:03,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:03,235 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 14:02:03,250 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 14:02:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:04,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 2220 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 14:02:04,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-10-16 14:02:04,445 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:02:04,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:04,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325112494] [2022-10-16 14:02:04,446 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:04,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469174471] [2022-10-16 14:02:04,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469174471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:04,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:04,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-10-16 14:02:04,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274926919] [2022-10-16 14:02:04,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:04,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 14:02:04,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:04,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 14:02:04,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:02:04,449 INFO L87 Difference]: Start difference. First operand 2117 states and 3068 transitions. Second operand has 19 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2022-10-16 14:02:05,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:05,587 INFO L93 Difference]: Finished difference Result 3793 states and 5430 transitions. [2022-10-16 14:02:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:02:05,588 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) Word has length 199 [2022-10-16 14:02:05,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:05,602 INFO L225 Difference]: With dead ends: 3793 [2022-10-16 14:02:05,602 INFO L226 Difference]: Without dead ends: 1874 [2022-10-16 14:02:05,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=794, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:02:05,612 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 83 mSDsluCounter, 19994 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 21177 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:05,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 21177 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:02:05,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-10-16 14:02:05,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1874. [2022-10-16 14:02:05,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1371 states have (on average 1.2509117432530998) internal successors, (1715), 1399 states have internal predecessors, (1715), 369 states have call successors, (369), 96 states have call predecessors, (369), 120 states have return successors, (595), 386 states have call predecessors, (595), 369 states have call successors, (595) [2022-10-16 14:02:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 2679 transitions. [2022-10-16 14:02:05,950 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 2679 transitions. Word has length 199 [2022-10-16 14:02:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:05,951 INFO L495 AbstractCegarLoop]: Abstraction has 1874 states and 2679 transitions. [2022-10-16 14:02:05,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (30), 7 states have call predecessors, (30), 7 states have call successors, (30) [2022-10-16 14:02:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2679 transitions. [2022-10-16 14:02:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-10-16 14:02:05,957 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:05,957 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 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] [2022-10-16 14:02:06,005 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 14:02:06,172 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,SelfDestructingSolverStorable14 [2022-10-16 14:02:06,172 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:06,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2019915739, now seen corresponding path program 1 times [2022-10-16 14:02:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:06,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870066340] [2022-10-16 14:02:06,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:06,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:06,247 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:06,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [564936002] [2022-10-16 14:02:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:06,249 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 14:02:06,270 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 14:02:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:06,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:02:06,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-10-16 14:02:06,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:02:06,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:06,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870066340] [2022-10-16 14:02:06,989 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:06,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564936002] [2022-10-16 14:02:06,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564936002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:06,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:06,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:02:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452206761] [2022-10-16 14:02:06,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:06,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:02:06,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:06,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:02:06,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:02:06,992 INFO L87 Difference]: Start difference. First operand 1874 states and 2679 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 14:02:07,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:07,512 INFO L93 Difference]: Finished difference Result 2711 states and 3808 transitions. [2022-10-16 14:02:07,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:02:07,513 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 193 [2022-10-16 14:02:07,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:07,523 INFO L225 Difference]: With dead ends: 2711 [2022-10-16 14:02:07,523 INFO L226 Difference]: Without dead ends: 1874 [2022-10-16 14:02:07,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:02:07,527 INFO L413 NwaCegarLoop]: 1181 mSDtfsCounter, 690 mSDsluCounter, 3821 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:07,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 5002 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:02:07,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2022-10-16 14:02:07,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1872. [2022-10-16 14:02:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1370 states have (on average 1.2503649635036496) internal successors, (1713), 1398 states have internal predecessors, (1713), 368 states have call successors, (368), 96 states have call predecessors, (368), 120 states have return successors, (594), 385 states have call predecessors, (594), 368 states have call successors, (594) [2022-10-16 14:02:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2675 transitions. [2022-10-16 14:02:07,793 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2675 transitions. Word has length 193 [2022-10-16 14:02:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:07,794 INFO L495 AbstractCegarLoop]: Abstraction has 1872 states and 2675 transitions. [2022-10-16 14:02:07,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-10-16 14:02:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2675 transitions. [2022-10-16 14:02:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 14:02:07,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:07,802 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:07,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:08,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 14:02:08,017 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:08,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:08,018 INFO L85 PathProgramCache]: Analyzing trace with hash 464880936, now seen corresponding path program 1 times [2022-10-16 14:02:08,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:08,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544674122] [2022-10-16 14:02:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:08,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:08,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:08,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323670163] [2022-10-16 14:02:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:08,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:08,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:08,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:02:08,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:02:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:09,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2989 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 14:02:09,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2022-10-16 14:02:09,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:02:09,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:09,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544674122] [2022-10-16 14:02:09,240 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:09,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323670163] [2022-10-16 14:02:09,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323670163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:09,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:09,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 14:02:09,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592940728] [2022-10-16 14:02:09,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:09,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:02:09,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:09,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:02:09,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:02:09,243 INFO L87 Difference]: Start difference. First operand 1872 states and 2675 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 6 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-10-16 14:02:10,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:10,364 INFO L93 Difference]: Finished difference Result 4109 states and 5958 transitions. [2022-10-16 14:02:10,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:02:10,364 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 6 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 306 [2022-10-16 14:02:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:10,379 INFO L225 Difference]: With dead ends: 4109 [2022-10-16 14:02:10,379 INFO L226 Difference]: Without dead ends: 2410 [2022-10-16 14:02:10,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:02:10,387 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 1764 mSDsluCounter, 14354 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 15592 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:10,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 15592 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:02:10,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2022-10-16 14:02:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 1912. [2022-10-16 14:02:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1400 states have (on average 1.2478571428571428) internal successors, (1747), 1428 states have internal predecessors, (1747), 378 states have call successors, (378), 96 states have call predecessors, (378), 120 states have return successors, (604), 395 states have call predecessors, (604), 378 states have call successors, (604) [2022-10-16 14:02:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2729 transitions. [2022-10-16 14:02:10,721 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2729 transitions. Word has length 306 [2022-10-16 14:02:10,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:10,722 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2729 transitions. [2022-10-16 14:02:10,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 13 states have internal predecessors, (130), 6 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2022-10-16 14:02:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2729 transitions. [2022-10-16 14:02:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 14:02:10,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:10,730 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:10,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:10,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:10,945 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:10,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:10,946 INFO L85 PathProgramCache]: Analyzing trace with hash 17164468, now seen corresponding path program 1 times [2022-10-16 14:02:10,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:10,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28145254] [2022-10-16 14:02:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:10,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:11,091 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:11,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105998873] [2022-10-16 14:02:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:11,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:11,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:11,093 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:02:11,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:02:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:11,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2913 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-16 14:02:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2022-10-16 14:02:12,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:02:12,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:12,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28145254] [2022-10-16 14:02:12,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:12,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105998873] [2022-10-16 14:02:12,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105998873] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:02:12,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:02:12,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:02:12,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317584244] [2022-10-16 14:02:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:02:12,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:02:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:02:12,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:02:12,083 INFO L87 Difference]: Start difference. First operand 1912 states and 2729 transitions. Second operand has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-10-16 14:02:12,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:12,821 INFO L93 Difference]: Finished difference Result 4309 states and 6262 transitions. [2022-10-16 14:02:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:02:12,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 306 [2022-10-16 14:02:12,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:12,836 INFO L225 Difference]: With dead ends: 4309 [2022-10-16 14:02:12,836 INFO L226 Difference]: Without dead ends: 2446 [2022-10-16 14:02:12,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:02:12,845 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 641 mSDsluCounter, 9608 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 11138 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:12,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 11138 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:02:12,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-10-16 14:02:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1912. [2022-10-16 14:02:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1400 states have (on average 1.245) internal successors, (1743), 1428 states have internal predecessors, (1743), 378 states have call successors, (378), 96 states have call predecessors, (378), 120 states have return successors, (604), 395 states have call predecessors, (604), 378 states have call successors, (604) [2022-10-16 14:02:13,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2725 transitions. [2022-10-16 14:02:13,153 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2725 transitions. Word has length 306 [2022-10-16 14:02:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:13,154 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2725 transitions. [2022-10-16 14:02:13,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-10-16 14:02:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2725 transitions. [2022-10-16 14:02:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-16 14:02:13,163 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:13,163 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:13,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:13,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 14:02:13,379 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:13,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:13,380 INFO L85 PathProgramCache]: Analyzing trace with hash -523265038, now seen corresponding path program 1 times [2022-10-16 14:02:13,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:13,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9276760] [2022-10-16 14:02:13,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:13,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:13,514 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:13,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097253260] [2022-10-16 14:02:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:13,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:13,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:13,517 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:02:13,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:02:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:14,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 2914 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-16 14:02:14,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:15,163 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 225 proven. 3 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-10-16 14:02:15,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:02:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-10-16 14:02:15,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:02:15,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9276760] [2022-10-16 14:02:15,662 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 14:02:15,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097253260] [2022-10-16 14:02:15,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097253260] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:02:15,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 14:02:15,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-10-16 14:02:15,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687654301] [2022-10-16 14:02:15,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 14:02:15,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:02:15,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:02:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:02:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:02:15,665 INFO L87 Difference]: Start difference. First operand 1912 states and 2725 transitions. Second operand has 14 states, 13 states have (on average 12.923076923076923) internal successors, (168), 12 states have internal predecessors, (168), 5 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (66), 6 states have call predecessors, (66), 5 states have call successors, (66) [2022-10-16 14:02:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:02:16,564 INFO L93 Difference]: Finished difference Result 3806 states and 5425 transitions. [2022-10-16 14:02:16,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:02:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.923076923076923) internal successors, (168), 12 states have internal predecessors, (168), 5 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (66), 6 states have call predecessors, (66), 5 states have call successors, (66) Word has length 306 [2022-10-16 14:02:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:02:16,578 INFO L225 Difference]: With dead ends: 3806 [2022-10-16 14:02:16,578 INFO L226 Difference]: Without dead ends: 1912 [2022-10-16 14:02:16,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:02:16,587 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 345 mSDsluCounter, 11978 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 13153 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:02:16,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 13153 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:02:16,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2022-10-16 14:02:16,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1912. [2022-10-16 14:02:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1912 states, 1400 states have (on average 1.2442857142857142) internal successors, (1742), 1427 states have internal predecessors, (1742), 378 states have call successors, (378), 96 states have call predecessors, (378), 120 states have return successors, (604), 395 states have call predecessors, (604), 378 states have call successors, (604) [2022-10-16 14:02:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2724 transitions. [2022-10-16 14:02:16,964 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2724 transitions. Word has length 306 [2022-10-16 14:02:16,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:02:16,964 INFO L495 AbstractCegarLoop]: Abstraction has 1912 states and 2724 transitions. [2022-10-16 14:02:16,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.923076923076923) internal successors, (168), 12 states have internal predecessors, (168), 5 states have call successors, (67), 2 states have call predecessors, (67), 5 states have return successors, (66), 6 states have call predecessors, (66), 5 states have call successors, (66) [2022-10-16 14:02:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2724 transitions. [2022-10-16 14:02:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-10-16 14:02:16,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:02:16,970 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:02:17,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:02:17,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:17,185 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting kref_getErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [get_1284_registerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, get_1284_registerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, kref_subErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2022-10-16 14:02:17,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:02:17,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1430579185, now seen corresponding path program 1 times [2022-10-16 14:02:17,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:02:17,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549258869] [2022-10-16 14:02:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:17,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:02:17,293 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 14:02:17,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819141919] [2022-10-16 14:02:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:02:17,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:02:17,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:02:17,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:02:17,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:02:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:02:18,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 2932 conjuncts, 343 conjunts are in the unsatisfiable core [2022-10-16 14:02:18,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:02:18,867 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 13 treesize of output 9 [2022-10-16 14:02:18,872 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 13 treesize of output 9 [2022-10-16 14:02:19,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-10-16 14:02:19,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-10-16 14:02:19,658 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 16 treesize of output 19 [2022-10-16 14:02:19,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 23 [2022-10-16 14:02:19,820 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 11 treesize of output 7 [2022-10-16 14:02:22,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-10-16 14:02:22,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:02:24,283 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_4848 Int) (v_ArrVal_4849 Int) (v_ArrVal_4855 Int) (v_ArrVal_4853 Int) (v_ArrVal_4854 Int) (v_ArrVal_4851 Int) (INIT_LIST_HEAD_~list.offset Int)) (let ((.cse0 (+ 4 INIT_LIST_HEAD_~list.offset))) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_4853) .cse0 v_ArrVal_4851))) (= (store |c_old(#memory_int)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_int)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_4849) .cse0 v_ArrVal_4848)) |c_#memory_int|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_4854) .cse0 v_ArrVal_4855))) (<= |c_INIT_LIST_HEAD_#in~list.offset| INIT_LIST_HEAD_~list.offset)))) is different from true [2022-10-16 14:02:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,373 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-10-16 14:02:24,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-10-16 14:02:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:02:24,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2022-10-16 14:02:24,714 INFO L356 Elim1Store]: treesize reduction 98, result has 36.8 percent of original size [2022-10-16 14:02:24,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 78 [2022-10-16 14:02:24,939 INFO L356 Elim1Store]: treesize reduction 94, result has 36.9 percent of original size [2022-10-16 14:02:24,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 78 [2022-10-16 14:02:25,056 INFO L356 Elim1Store]: treesize reduction 169, result has 31.0 percent of original size [2022-10-16 14:02:25,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 105 [2022-10-16 14:03:03,844 WARN L233 SmtUtils]: Spent 32.32s on a formula simplification. DAG size of input: 666 DAG size of output: 644 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-16 14:03:03,850 INFO L356 Elim1Store]: treesize reduction 106, result has 93.0 percent of original size [2022-10-16 14:03:03,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 28 new quantified variables, introduced 153 case distinctions, treesize of input 789 treesize of output 1921 [2022-10-16 14:03:05,825 INFO L244 Elim1Store]: Index analysis took 1544 ms