/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--memstick--core--mspro_block.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:52:17,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:52:17,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:52:17,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:52:17,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:52:17,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:52:17,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:52:17,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:52:17,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:52:17,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:52:17,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:52:17,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:52:17,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:52:17,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:52:17,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:52:17,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:52:17,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:52:17,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:52:17,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:52:17,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:52:17,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:52:17,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:52:17,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:52:17,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:52:17,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:52:17,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:52:17,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:52:17,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:52:17,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:52:17,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:52:17,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:52:17,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:52:17,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:52:17,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:52:17,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:52:17,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:52:17,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:52:17,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:52:17,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:52:17,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:52:17,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:52:17,982 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 13:52:18,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:52:18,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:52:18,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:52:18,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:52:18,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:52:18,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:52:18,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:52:18,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:52:18,051 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:52:18,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:52:18,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:52:18,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:52:18,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:52:18,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:52:18,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:52:18,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:52:18,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:52:18,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:52:18,055 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:52:18,055 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:52:18,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:52:18,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:52:18,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:52:18,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:52:18,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:52:18,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:52:18,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:52:18,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:52:18,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:52:18,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:52:18,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:52:18,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:52:18,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:52:18,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:52:18,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:52:18,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:52:18,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:52:18,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:52:18,605 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:52:18,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c [2022-10-16 13:52:18,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b144bdf/83674ff4fe2e4426af08b5ae6cfab173/FLAG13bf03060 [2022-10-16 13:52:19,892 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:52:19,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c [2022-10-16 13:52:19,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b144bdf/83674ff4fe2e4426af08b5ae6cfab173/FLAG13bf03060 [2022-10-16 13:52:20,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2b144bdf/83674ff4fe2e4426af08b5ae6cfab173 [2022-10-16 13:52:20,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:52:20,136 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:52:20,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:52:20,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:52:20,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:52:20,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:20" (1/1) ... [2022-10-16 13:52:20,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49630031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:20, skipping insertion in model container [2022-10-16 13:52:20,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:52:20" (1/1) ... [2022-10-16 13:52:20,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:52:20,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:52:23,676 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--memstick--core--mspro_block.ko.cil.c[315365,315378] [2022-10-16 13:52:23,681 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--memstick--core--mspro_block.ko.cil.c[315939,315952] [2022-10-16 13:52:23,686 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--memstick--core--mspro_block.ko.cil.c[317138,317151] [2022-10-16 13:52:23,691 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--memstick--core--mspro_block.ko.cil.c[317846,317859] [2022-10-16 13:52:23,695 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--memstick--core--mspro_block.ko.cil.c[318287,318300] [2022-10-16 13:52:23,699 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--memstick--core--mspro_block.ko.cil.c[318519,318532] [2022-10-16 13:52:23,704 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--memstick--core--mspro_block.ko.cil.c[319097,319110] [2022-10-16 13:52:23,708 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--memstick--core--mspro_block.ko.cil.c[319687,319700] [2022-10-16 13:52:23,712 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--memstick--core--mspro_block.ko.cil.c[320104,320117] [2022-10-16 13:52:23,716 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--memstick--core--mspro_block.ko.cil.c[320501,320514] [2022-10-16 13:52:23,720 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--memstick--core--mspro_block.ko.cil.c[320736,320749] [2022-10-16 13:52:23,724 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--memstick--core--mspro_block.ko.cil.c[321484,321497] [2022-10-16 13:52:23,729 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--memstick--core--mspro_block.ko.cil.c[321905,321918] [2022-10-16 13:52:23,734 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--memstick--core--mspro_block.ko.cil.c[322532,322545] [2022-10-16 13:52:23,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c[322947,322960] [2022-10-16 13:52:23,743 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--memstick--core--mspro_block.ko.cil.c[323591,323604] [2022-10-16 13:52:23,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c[324321,324334] [2022-10-16 13:52:23,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c[325157,325170] [2022-10-16 13:52:23,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c[326503,326516] [2022-10-16 13:52:23,763 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--memstick--core--mspro_block.ko.cil.c[326901,326914] [2022-10-16 13:52:23,768 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--memstick--core--mspro_block.ko.cil.c[327458,327471] [2022-10-16 13:52:23,773 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--memstick--core--mspro_block.ko.cil.c[327841,327854] [2022-10-16 13:52:23,777 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--memstick--core--mspro_block.ko.cil.c[328457,328470] [2022-10-16 13:52:23,782 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--memstick--core--mspro_block.ko.cil.c[329031,329044] [2022-10-16 13:52:23,788 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--memstick--core--mspro_block.ko.cil.c[329944,329957] [2022-10-16 13:52:23,793 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--memstick--core--mspro_block.ko.cil.c[330335,330348] [2022-10-16 13:52:23,798 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--memstick--core--mspro_block.ko.cil.c[330564,330577] [2022-10-16 13:52:23,802 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--memstick--core--mspro_block.ko.cil.c[330970,330983] [2022-10-16 13:52:23,807 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--memstick--core--mspro_block.ko.cil.c[331827,331840] [2022-10-16 13:52:23,812 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--memstick--core--mspro_block.ko.cil.c[332234,332247] [2022-10-16 13:52:23,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:52:23,843 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:52:24,340 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--memstick--core--mspro_block.ko.cil.c[315365,315378] [2022-10-16 13:52:24,341 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--memstick--core--mspro_block.ko.cil.c[315939,315952] [2022-10-16 13:52:24,342 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--memstick--core--mspro_block.ko.cil.c[317138,317151] [2022-10-16 13:52:24,343 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--memstick--core--mspro_block.ko.cil.c[317846,317859] [2022-10-16 13:52:24,345 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--memstick--core--mspro_block.ko.cil.c[318287,318300] [2022-10-16 13:52:24,345 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--memstick--core--mspro_block.ko.cil.c[318519,318532] [2022-10-16 13:52:24,346 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--memstick--core--mspro_block.ko.cil.c[319097,319110] [2022-10-16 13:52:24,348 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--memstick--core--mspro_block.ko.cil.c[319687,319700] [2022-10-16 13:52:24,348 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--memstick--core--mspro_block.ko.cil.c[320104,320117] [2022-10-16 13:52:24,349 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--memstick--core--mspro_block.ko.cil.c[320501,320514] [2022-10-16 13:52:24,350 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--memstick--core--mspro_block.ko.cil.c[320736,320749] [2022-10-16 13:52:24,350 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--memstick--core--mspro_block.ko.cil.c[321484,321497] [2022-10-16 13:52:24,351 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--memstick--core--mspro_block.ko.cil.c[321905,321918] [2022-10-16 13:52:24,352 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--memstick--core--mspro_block.ko.cil.c[322532,322545] [2022-10-16 13:52:24,354 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--memstick--core--mspro_block.ko.cil.c[322947,322960] [2022-10-16 13:52:24,355 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--memstick--core--mspro_block.ko.cil.c[323591,323604] [2022-10-16 13:52:24,356 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--memstick--core--mspro_block.ko.cil.c[324321,324334] [2022-10-16 13:52:24,356 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--memstick--core--mspro_block.ko.cil.c[325157,325170] [2022-10-16 13:52:24,358 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--memstick--core--mspro_block.ko.cil.c[326503,326516] [2022-10-16 13:52:24,358 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--memstick--core--mspro_block.ko.cil.c[326901,326914] [2022-10-16 13:52:24,359 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--memstick--core--mspro_block.ko.cil.c[327458,327471] [2022-10-16 13:52:24,360 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--memstick--core--mspro_block.ko.cil.c[327841,327854] [2022-10-16 13:52:24,361 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--memstick--core--mspro_block.ko.cil.c[328457,328470] [2022-10-16 13:52:24,367 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--memstick--core--mspro_block.ko.cil.c[329031,329044] [2022-10-16 13:52:24,368 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--memstick--core--mspro_block.ko.cil.c[329944,329957] [2022-10-16 13:52:24,369 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--memstick--core--mspro_block.ko.cil.c[330335,330348] [2022-10-16 13:52:24,369 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--memstick--core--mspro_block.ko.cil.c[330564,330577] [2022-10-16 13:52:24,370 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--memstick--core--mspro_block.ko.cil.c[330970,330983] [2022-10-16 13:52:24,370 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--memstick--core--mspro_block.ko.cil.c[331827,331840] [2022-10-16 13:52:24,371 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--memstick--core--mspro_block.ko.cil.c[332234,332247] [2022-10-16 13:52:24,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:52:24,658 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:52:24,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24 WrapperNode [2022-10-16 13:52:24,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:52:24,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:52:24,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:52:24,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:52:24,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:24,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,014 INFO L138 Inliner]: procedures = 584, calls = 1924, calls flagged for inlining = 218, calls inlined = 125, statements flattened = 2565 [2022-10-16 13:52:25,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:52:25,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:52:25,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:52:25,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:52:25,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,205 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:52:25,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:52:25,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:52:25,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:52:25,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (1/1) ... [2022-10-16 13:52:25,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:52:25,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:52:25,306 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 13:52:25,333 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 13:52:25,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-10-16 13:52:25,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-10-16 13:52:25,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:52:25,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-16 13:52:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-16 13:52:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-16 13:52:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-16 13:52:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-16 13:52:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:52:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:52:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-16 13:52:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:52:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-16 13:52:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:52:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-16 13:52:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-16 13:52:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-16 13:52:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:52:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-16 13:52:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:52:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-16 13:52:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mspro_block_disk_lock [2022-10-16 13:52:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mspro_block_disk_lock [2022-10-16 13:52:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 13:52:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 13:52:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 13:52:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-10-16 13:52:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 13:52:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 13:52:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:52:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-16 13:52:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-16 13:52:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-16 13:52:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:52:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:52:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-16 13:52:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_get_drvdata [2022-10-16 13:52:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_get_drvdata [2022-10-16 13:52:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2022-10-16 13:52:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 13:52:25,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 13:52:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:52:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-16 13:52:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 13:52:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_mrq_complete_of_memstick_dev [2022-10-16 13:52:25,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_mrq_complete_of_memstick_dev [2022-10-16 13:52:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_prep_rq [2022-10-16 13:52:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-16 13:52:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_wait_for_ced [2022-10-16 13:52:25,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_wait_for_ced [2022-10-16 13:52:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 13:52:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-16 13:52:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-16 13:52:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:52:25,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-16 13:52:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:52:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:52:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-16 13:52:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-16 13:52:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-16 13:52:25,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-16 13:52:25,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-16 13:52:25,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-16 13:52:25,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:52:25,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-16 13:52:25,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-16 13:52:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-16 13:52:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-16 13:52:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-16 13:52:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:52:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-16 13:52:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-10-16 13:52:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-16 13:52:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~TO~VOID [2022-10-16 13:52:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~TO~VOID [2022-10-16 13:52:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:52:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-16 13:52:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:52:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-16 13:52:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:52:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-16 13:52:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-16 13:52:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-10-16 13:52:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-16 13:52:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-16 13:52:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:52:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-10-16 13:52:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-10-16 13:52:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:52:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-16 13:52:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-16 13:52:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 13:52:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-10-16 13:52:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_register_driver [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_attr_name [2022-10-16 13:52:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_attr_name [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_new_req [2022-10-16 13:52:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:52:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-16 13:52:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-16 13:52:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-16 13:52:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-10-16 13:52:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2022-10-16 13:52:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2022-10-16 13:52:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:52:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:52:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-16 13:52:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-16 13:52:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-10-16 13:52:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_rw_addr [2022-10-16 13:52:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 13:52:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 13:52:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-16 13:52:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:52:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-16 13:52:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_init_card [2022-10-16 13:52:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_init_card [2022-10-16 13:52:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 13:52:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 13:52:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:52:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-16 13:52:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-10-16 13:52:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:52:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:52:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:52:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-16 13:52:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:52:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-16 13:52:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-16 13:52:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-16 13:52:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:52:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-16 13:52:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:52:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_disk_release [2022-10-16 13:52:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_disk_release [2022-10-16 13:52:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:52:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-16 13:52:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_set_drvdata [2022-10-16 13:52:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure memstick_set_drvdata [2022-10-16 13:52:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:52:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-16 13:52:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-16 13:52:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:52:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-16 13:52:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2022-10-16 13:52:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_remove_mspro_block_disk_idr [2022-10-16 13:52:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_remove_mspro_block_disk_idr [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-16 13:52:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-16 13:52:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-16 13:52:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-16 13:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-16 13:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-10-16 13:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-10-16 13:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-16 13:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 13:52:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 13:52:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_set_interface [2022-10-16 13:52:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_set_interface [2022-10-16 13:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:52:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_data_clear [2022-10-16 13:52:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_data_clear [2022-10-16 13:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-10-16 13:52:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_from_sysfs_attr [2022-10-16 13:52:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_from_sysfs_attr [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure mspro_block_remove [2022-10-16 13:52:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mspro_block_remove [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:52:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:52:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:52:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-16 13:52:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-16 13:52:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-16 13:52:25,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-16 13:52:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-16 13:52:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:52:25,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-16 13:52:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_mspro_block_data [2022-10-16 13:52:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_mspro_block_data [2022-10-16 13:52:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 13:52:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:52:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-16 13:52:25,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:52:25,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:52:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:52:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_init_req [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-16 13:52:25,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-16 13:52:25,439 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:52:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_sched_completion [2022-10-16 13:52:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:52:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-16 13:52:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-16 13:52:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-16 13:52:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mspro_block_disk_lock [2022-10-16 13:52:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mspro_block_disk_lock [2022-10-16 13:52:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-16 13:52:25,440 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-16 13:52:25,440 INFO L130 BoogieDeclarations]: Found specification of procedure memstick_unregister_driver [2022-10-16 13:52:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2022-10-16 13:52:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 13:52:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 13:52:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:52:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-16 13:52:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-10-16 13:52:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_memstick_host [2022-10-16 13:52:25,441 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:52:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-16 13:52:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-16 13:52:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-10-16 13:52:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-10-16 13:52:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2022-10-16 13:52:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:52:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:52:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-16 13:52:26,030 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:52:26,035 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:52:29,562 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:52:29,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:52:29,584 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:52:29,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:29 BoogieIcfgContainer [2022-10-16 13:52:29,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:52:29,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:52:29,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:52:29,607 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:52:29,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:52:20" (1/3) ... [2022-10-16 13:52:29,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57620aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:29, skipping insertion in model container [2022-10-16 13:52:29,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:52:24" (2/3) ... [2022-10-16 13:52:29,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57620aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:52:29, skipping insertion in model container [2022-10-16 13:52:29,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:52:29" (3/3) ... [2022-10-16 13:52:29,610 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--memstick--core--mspro_block.ko.cil.c [2022-10-16 13:52:29,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:52:29,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 13:52:29,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:52:29,770 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;@7d396b63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:52:29,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 13:52:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 667 states have (on average 1.2458770614692654) internal successors, (831), 729 states have internal predecessors, (831), 257 states have call successors, (257), 95 states have call predecessors, (257), 95 states have return successors, (257), 255 states have call predecessors, (257), 257 states have call successors, (257) [2022-10-16 13:52:29,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 13:52:29,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:29,819 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-10-16 13:52:29,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash -83445671, now seen corresponding path program 1 times [2022-10-16 13:52:29,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:29,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99538230] [2022-10-16 13:52:29,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:30,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:52:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-10-16 13:52:31,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:31,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99538230] [2022-10-16 13:52:31,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99538230] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:52:31,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:52:31,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:52:31,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866740874] [2022-10-16 13:52:31,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:52:31,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:52:31,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:31,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:52:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:52:31,405 INFO L87 Difference]: Start difference. First operand has 1040 states, 667 states have (on average 1.2458770614692654) internal successors, (831), 729 states have internal predecessors, (831), 257 states have call successors, (257), 95 states have call predecessors, (257), 95 states have return successors, (257), 255 states have call predecessors, (257), 257 states have call successors, (257) Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:52:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:52:35,252 INFO L93 Difference]: Finished difference Result 2047 states and 2839 transitions. [2022-10-16 13:52:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:52:35,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 218 [2022-10-16 13:52:35,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:52:35,279 INFO L225 Difference]: With dead ends: 2047 [2022-10-16 13:52:35,279 INFO L226 Difference]: Without dead ends: 753 [2022-10-16 13:52:35,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:52:35,298 INFO L413 NwaCegarLoop]: 1185 mSDtfsCounter, 1221 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 1125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1259 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1125 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:52:35,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1259 Valid, 1948 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1125 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 13:52:35,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-10-16 13:52:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 728. [2022-10-16 13:52:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 728 states, 500 states have (on average 1.232) internal successors, (616), 518 states have internal predecessors, (616), 165 states have call successors, (165), 48 states have call predecessors, (165), 48 states have return successors, (165), 164 states have call predecessors, (165), 165 states have call successors, (165) [2022-10-16 13:52:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 946 transitions. [2022-10-16 13:52:35,458 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 946 transitions. Word has length 218 [2022-10-16 13:52:35,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:52:35,459 INFO L495 AbstractCegarLoop]: Abstraction has 728 states and 946 transitions. [2022-10-16 13:52:35,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:52:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 946 transitions. [2022-10-16 13:52:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-10-16 13:52:35,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:35,467 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-10-16 13:52:35,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:52:35,468 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:35,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1133471697, now seen corresponding path program 1 times [2022-10-16 13:52:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:35,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593299820] [2022-10-16 13:52:35,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:35,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:35,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:52:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-10-16 13:52:36,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:36,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593299820] [2022-10-16 13:52:36,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593299820] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:52:36,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:52:36,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:52:36,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957403042] [2022-10-16 13:52:36,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:52:36,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:52:36,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:36,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:52:36,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:52:36,410 INFO L87 Difference]: Start difference. First operand 728 states and 946 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:52:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:52:39,417 INFO L93 Difference]: Finished difference Result 765 states and 1002 transitions. [2022-10-16 13:52:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:52:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 218 [2022-10-16 13:52:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:52:39,433 INFO L225 Difference]: With dead ends: 765 [2022-10-16 13:52:39,434 INFO L226 Difference]: Without dead ends: 763 [2022-10-16 13:52:39,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:52:39,444 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 776 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 2099 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:52:39,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 2099 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:52:39,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2022-10-16 13:52:39,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 735. [2022-10-16 13:52:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 506 states have (on average 1.2312252964426877) internal successors, (623), 524 states have internal predecessors, (623), 166 states have call successors, (166), 48 states have call predecessors, (166), 48 states have return successors, (166), 165 states have call predecessors, (166), 166 states have call successors, (166) [2022-10-16 13:52:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 955 transitions. [2022-10-16 13:52:39,551 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 955 transitions. Word has length 218 [2022-10-16 13:52:39,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:52:39,557 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 955 transitions. [2022-10-16 13:52:39,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:52:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 955 transitions. [2022-10-16 13:52:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-16 13:52:39,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:39,570 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:52:39,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:52:39,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:39,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:39,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1787335041, now seen corresponding path program 1 times [2022-10-16 13:52:39,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:39,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823016571] [2022-10-16 13:52:39,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:39,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2022-10-16 13:52:40,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:40,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823016571] [2022-10-16 13:52:40,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823016571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:52:40,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:52:40,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:52:40,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897756509] [2022-10-16 13:52:40,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:52:40,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:52:40,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:40,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:52:40,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:52:40,531 INFO L87 Difference]: Start difference. First operand 735 states and 955 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-10-16 13:52:45,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:52:45,108 INFO L93 Difference]: Finished difference Result 1467 states and 1921 transitions. [2022-10-16 13:52:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 13:52:45,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2022-10-16 13:52:45,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:52:45,127 INFO L225 Difference]: With dead ends: 1467 [2022-10-16 13:52:45,127 INFO L226 Difference]: Without dead ends: 1463 [2022-10-16 13:52:45,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:52:45,134 INFO L413 NwaCegarLoop]: 1113 mSDtfsCounter, 1463 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 814 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:52:45,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1600 Valid, 2474 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [814 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-16 13:52:45,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-10-16 13:52:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1402. [2022-10-16 13:52:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 980 states have (on average 1.2326530612244897) internal successors, (1208), 1002 states have internal predecessors, (1208), 315 states have call successors, (315), 94 states have call predecessors, (315), 92 states have return successors, (315), 310 states have call predecessors, (315), 315 states have call successors, (315) [2022-10-16 13:52:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1838 transitions. [2022-10-16 13:52:45,256 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1838 transitions. Word has length 219 [2022-10-16 13:52:45,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:52:45,257 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1838 transitions. [2022-10-16 13:52:45,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-10-16 13:52:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1838 transitions. [2022-10-16 13:52:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-16 13:52:45,262 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:45,262 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-10-16 13:52:45,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:52:45,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:45,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1920207958, now seen corresponding path program 1 times [2022-10-16 13:52:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:45,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645568276] [2022-10-16 13:52:45,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:45,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:52:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 13:52:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,096 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 13:52:46,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:46,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645568276] [2022-10-16 13:52:46,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645568276] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:52:46,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406236243] [2022-10-16 13:52:46,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:46,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:52:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:52:46,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:52:46,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:52:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:46,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2249 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:52:46,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:52:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 13:52:46,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:52:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 13:52:47,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406236243] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:52:47,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:52:47,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 3, 3] total 10 [2022-10-16 13:52:47,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512019034] [2022-10-16 13:52:47,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:52:47,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 13:52:47,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:47,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 13:52:47,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 13:52:47,026 INFO L87 Difference]: Start difference. First operand 1402 states and 1838 transitions. Second operand has 11 states, 10 states have (on average 11.0) internal successors, (110), 7 states have internal predecessors, (110), 6 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2022-10-16 13:52:53,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:52:53,067 INFO L93 Difference]: Finished difference Result 1517 states and 2015 transitions. [2022-10-16 13:52:53,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 13:52:53,068 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.0) internal successors, (110), 7 states have internal predecessors, (110), 6 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 228 [2022-10-16 13:52:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:52:53,081 INFO L225 Difference]: With dead ends: 1517 [2022-10-16 13:52:53,081 INFO L226 Difference]: Without dead ends: 1516 [2022-10-16 13:52:53,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 522 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2022-10-16 13:52:53,084 INFO L413 NwaCegarLoop]: 878 mSDtfsCounter, 465 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 2958 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:52:53,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 2958 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 13:52:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2022-10-16 13:52:53,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1442. [2022-10-16 13:52:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1014 states have (on average 1.2347140039447733) internal successors, (1252), 1036 states have internal predecessors, (1252), 321 states have call successors, (321), 94 states have call predecessors, (321), 92 states have return successors, (321), 316 states have call predecessors, (321), 321 states have call successors, (321) [2022-10-16 13:52:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1894 transitions. [2022-10-16 13:52:53,184 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1894 transitions. Word has length 228 [2022-10-16 13:52:53,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:52:53,186 INFO L495 AbstractCegarLoop]: Abstraction has 1442 states and 1894 transitions. [2022-10-16 13:52:53,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.0) internal successors, (110), 7 states have internal predecessors, (110), 6 states have call successors, (40), 5 states have call predecessors, (40), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2022-10-16 13:52:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1894 transitions. [2022-10-16 13:52:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-16 13:52:53,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:53,191 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-10-16 13:52:53,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:52:53,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:52:53,406 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting mspro_block_data_clearErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash 603097211, now seen corresponding path program 1 times [2022-10-16 13:52:53,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:53,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520367807] [2022-10-16 13:52:53,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:53,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:54,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:52:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 13:52:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 13:52:54,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:54,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520367807] [2022-10-16 13:52:54,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520367807] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:52:54,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776943657] [2022-10-16 13:52:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:52:54,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:52:54,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:52:54,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:52:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:54,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 2250 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:52:54,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:52:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-10-16 13:52:54,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:52:54,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776943657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:52:54,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:52:54,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-10-16 13:52:54,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347241156] [2022-10-16 13:52:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:52:54,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:52:54,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:54,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:52:54,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:52:54,869 INFO L87 Difference]: Start difference. First operand 1442 states and 1894 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 13:52:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:52:54,962 INFO L93 Difference]: Finished difference Result 1454 states and 1912 transitions. [2022-10-16 13:52:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:52:54,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 229 [2022-10-16 13:52:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:52:54,973 INFO L225 Difference]: With dead ends: 1454 [2022-10-16 13:52:54,974 INFO L226 Difference]: Without dead ends: 1453 [2022-10-16 13:52:54,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:52:54,976 INFO L413 NwaCegarLoop]: 955 mSDtfsCounter, 7 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2842 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:52:54,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2842 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:52:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2022-10-16 13:52:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1441. [2022-10-16 13:52:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1014 states have (on average 1.2287968441814596) internal successors, (1246), 1035 states have internal predecessors, (1246), 321 states have call successors, (321), 94 states have call predecessors, (321), 92 states have return successors, (321), 316 states have call predecessors, (321), 321 states have call successors, (321) [2022-10-16 13:52:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1888 transitions. [2022-10-16 13:52:55,066 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1888 transitions. Word has length 229 [2022-10-16 13:52:55,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:52:55,067 INFO L495 AbstractCegarLoop]: Abstraction has 1441 states and 1888 transitions. [2022-10-16 13:52:55,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 4 states have internal predecessors, (86), 3 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-10-16 13:52:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1888 transitions. [2022-10-16 13:52:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-10-16 13:52:55,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:52:55,073 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:52:55,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:52:55,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:52:55,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:52:55,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:52:55,289 INFO L85 PathProgramCache]: Analyzing trace with hash 84003746, now seen corresponding path program 1 times [2022-10-16 13:52:55,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:52:55,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893904205] [2022-10-16 13:52:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:52:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:52:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:52:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:52:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:52:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:52:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:52:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:52:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:52:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:52:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:52:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:52:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:52:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:52:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:52:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:52:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:52:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:52:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:52:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:52:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 13:52:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-16 13:52:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:52:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-10-16 13:52:56,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:52:56,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893904205] [2022-10-16 13:52:56,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893904205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:52:56,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:52:56,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:52:56,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013454615] [2022-10-16 13:52:56,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:52:56,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 13:52:56,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:52:56,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 13:52:56,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:52:56,024 INFO L87 Difference]: Start difference. First operand 1441 states and 1888 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 13:53:01,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:53:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:01,760 INFO L93 Difference]: Finished difference Result 1862 states and 2521 transitions. [2022-10-16 13:53:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:53:01,761 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 240 [2022-10-16 13:53:01,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:01,776 INFO L225 Difference]: With dead ends: 1862 [2022-10-16 13:53:01,776 INFO L226 Difference]: Without dead ends: 1860 [2022-10-16 13:53:01,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:53:01,779 INFO L413 NwaCegarLoop]: 1063 mSDtfsCounter, 552 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:01,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 2897 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 13:53:01,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-10-16 13:53:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1459. [2022-10-16 13:53:01,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1459 states, 1030 states have (on average 1.2310679611650486) internal successors, (1268), 1051 states have internal predecessors, (1268), 323 states have call successors, (323), 94 states have call predecessors, (323), 92 states have return successors, (323), 318 states have call predecessors, (323), 323 states have call successors, (323) [2022-10-16 13:53:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1914 transitions. [2022-10-16 13:53:01,896 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1914 transitions. Word has length 240 [2022-10-16 13:53:01,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:01,897 INFO L495 AbstractCegarLoop]: Abstraction has 1459 states and 1914 transitions. [2022-10-16 13:53:01,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-10-16 13:53:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1914 transitions. [2022-10-16 13:53:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-10-16 13:53:01,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:01,903 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:53:01,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:53:01,903 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_sysfs_remove_groupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:01,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:01,904 INFO L85 PathProgramCache]: Analyzing trace with hash -110982303, now seen corresponding path program 1 times [2022-10-16 13:53:01,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:01,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972224411] [2022-10-16 13:53:01,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:01,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:53:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:53:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:53:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:53:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:53:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:53:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:53:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:53:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:53:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:53:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:53:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:53:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:53:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:53:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:53:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-16 13:53:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-10-16 13:53:02,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:02,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972224411] [2022-10-16 13:53:02,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972224411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:02,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:02,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 13:53:02,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380512828] [2022-10-16 13:53:02,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:02,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:53:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:02,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:53:02,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:53:02,880 INFO L87 Difference]: Start difference. First operand 1459 states and 1914 transitions. Second operand has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-16 13:53:10,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:10,749 INFO L93 Difference]: Finished difference Result 2269 states and 2978 transitions. [2022-10-16 13:53:10,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 13:53:10,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 242 [2022-10-16 13:53:10,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:10,767 INFO L225 Difference]: With dead ends: 2269 [2022-10-16 13:53:10,767 INFO L226 Difference]: Without dead ends: 2267 [2022-10-16 13:53:10,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:53:10,770 INFO L413 NwaCegarLoop]: 1226 mSDtfsCounter, 2516 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 1116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2765 SdHoareTripleChecker+Valid, 3307 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1116 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:10,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2765 Valid, 3307 Invalid, 3835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1116 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-10-16 13:53:10,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2022-10-16 13:53:10,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2171. [2022-10-16 13:53:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2171 states, 1538 states have (on average 1.2308192457737321) internal successors, (1893), 1562 states have internal predecessors, (1893), 481 states have call successors, (481), 140 states have call predecessors, (481), 138 states have return successors, (481), 475 states have call predecessors, (481), 481 states have call successors, (481) [2022-10-16 13:53:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 2171 states and 2855 transitions. [2022-10-16 13:53:10,906 INFO L78 Accepts]: Start accepts. Automaton has 2171 states and 2855 transitions. Word has length 242 [2022-10-16 13:53:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:10,907 INFO L495 AbstractCegarLoop]: Abstraction has 2171 states and 2855 transitions. [2022-10-16 13:53:10,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.428571428571429) internal successors, (94), 4 states have internal predecessors, (94), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-16 13:53:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2855 transitions. [2022-10-16 13:53:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-10-16 13:53:10,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:10,914 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-10-16 13:53:10,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 13:53:10,914 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_sysfs_remove_groupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:10,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash 854517023, now seen corresponding path program 1 times [2022-10-16 13:53:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:10,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263709180] [2022-10-16 13:53:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:53:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:53:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:53:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:53:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:53:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:53:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:53:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:53:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:53:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:53:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:53:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:53:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:53:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:53:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:53:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-16 13:53:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-10-16 13:53:11,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:11,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263709180] [2022-10-16 13:53:11,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263709180] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:11,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:11,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:53:11,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851372391] [2022-10-16 13:53:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:11,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:53:11,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:11,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:53:11,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:53:11,677 INFO L87 Difference]: Start difference. First operand 2171 states and 2855 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 13:53:18,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:53:18,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:18,665 INFO L93 Difference]: Finished difference Result 4689 states and 6251 transitions. [2022-10-16 13:53:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:53:18,666 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2022-10-16 13:53:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:18,687 INFO L225 Difference]: With dead ends: 4689 [2022-10-16 13:53:18,688 INFO L226 Difference]: Without dead ends: 2554 [2022-10-16 13:53:18,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:53:18,699 INFO L413 NwaCegarLoop]: 1018 mSDtfsCounter, 302 mSDsluCounter, 3007 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 4025 SdHoareTripleChecker+Invalid, 2542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:18,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 4025 Invalid, 2542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2351 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-10-16 13:53:18,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2554 states. [2022-10-16 13:53:18,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2554 to 2183. [2022-10-16 13:53:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2183 states, 1547 states have (on average 1.2294764059469943) internal successors, (1902), 1571 states have internal predecessors, (1902), 481 states have call successors, (481), 140 states have call predecessors, (481), 141 states have return successors, (487), 478 states have call predecessors, (487), 481 states have call successors, (487) [2022-10-16 13:53:18,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 2183 states and 2870 transitions. [2022-10-16 13:53:18,854 INFO L78 Accepts]: Start accepts. Automaton has 2183 states and 2870 transitions. Word has length 243 [2022-10-16 13:53:18,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:18,855 INFO L495 AbstractCegarLoop]: Abstraction has 2183 states and 2870 transitions. [2022-10-16 13:53:18,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (27), 6 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-10-16 13:53:18,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2870 transitions. [2022-10-16 13:53:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-10-16 13:53:18,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:18,862 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2022-10-16 13:53:18,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:53:18,862 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:18,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:18,863 INFO L85 PathProgramCache]: Analyzing trace with hash -445877323, now seen corresponding path program 2 times [2022-10-16 13:53:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:18,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879314648] [2022-10-16 13:53:18,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:53:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:53:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:53:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:53:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:53:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:53:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:53:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:53:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:53:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:53:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:53:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 13:53:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-10-16 13:53:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-16 13:53:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-16 13:53:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-16 13:53:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-16 13:53:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-16 13:53:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-16 13:53:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-16 13:53:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-10-16 13:53:19,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:19,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879314648] [2022-10-16 13:53:19,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879314648] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:53:19,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562982764] [2022-10-16 13:53:19,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:53:19,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:19,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:19,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:53:20,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 13:53:20,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:53:20,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 13:53:20,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-16 13:53:20,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:20,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562982764] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:20,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:53:20,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2022-10-16 13:53:20,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362329154] [2022-10-16 13:53:20,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:20,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 13:53:20,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:20,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 13:53:20,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:53:20,679 INFO L87 Difference]: Start difference. First operand 2183 states and 2870 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:53:20,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:20,969 INFO L93 Difference]: Finished difference Result 4650 states and 6171 transitions. [2022-10-16 13:53:20,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 13:53:20,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 2 states have call successors, (24) Word has length 258 [2022-10-16 13:53:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:20,989 INFO L225 Difference]: With dead ends: 4650 [2022-10-16 13:53:20,989 INFO L226 Difference]: Without dead ends: 2503 [2022-10-16 13:53:20,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-10-16 13:53:21,000 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 87 mSDsluCounter, 8336 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 9392 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:21,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 9392 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:53:21,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-10-16 13:53:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2216. [2022-10-16 13:53:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 1571 states have (on average 1.2259707192870783) internal successors, (1926), 1595 states have internal predecessors, (1926), 481 states have call successors, (481), 140 states have call predecessors, (481), 150 states have return successors, (505), 487 states have call predecessors, (505), 481 states have call successors, (505) [2022-10-16 13:53:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2912 transitions. [2022-10-16 13:53:21,149 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2912 transitions. Word has length 258 [2022-10-16 13:53:21,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:21,149 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 2912 transitions. [2022-10-16 13:53:21,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 2 states have call successors, (24) [2022-10-16 13:53:21,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2912 transitions. [2022-10-16 13:53:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-10-16 13:53:21,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:21,156 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2022-10-16 13:53:21,201 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 13:53:21,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:21,370 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:21,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:21,371 INFO L85 PathProgramCache]: Analyzing trace with hash 551723046, now seen corresponding path program 1 times [2022-10-16 13:53:21,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:21,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448724584] [2022-10-16 13:53:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:21,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:21,459 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:21,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [411926689] [2022-10-16 13:53:21,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:21,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:21,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:21,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:21,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:53:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:22,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:53:22,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-10-16 13:53:22,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:53:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2022-10-16 13:53:22,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:22,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448724584] [2022-10-16 13:53:22,441 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:22,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411926689] [2022-10-16 13:53:22,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411926689] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:53:22,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:53:22,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-10-16 13:53:22,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36140099] [2022-10-16 13:53:22,442 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:53:22,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 13:53:22,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:22,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 13:53:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:53:22,444 INFO L87 Difference]: Start difference. First operand 2216 states and 2912 transitions. Second operand has 12 states, 11 states have (on average 12.545454545454545) internal successors, (138), 12 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 11 states have call predecessors, (37), 11 states have call successors, (37) [2022-10-16 13:53:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:22,664 INFO L93 Difference]: Finished difference Result 2433 states and 3232 transitions. [2022-10-16 13:53:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:53:22,665 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.545454545454545) internal successors, (138), 12 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 11 states have call predecessors, (37), 11 states have call successors, (37) Word has length 279 [2022-10-16 13:53:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:22,683 INFO L225 Difference]: With dead ends: 2433 [2022-10-16 13:53:22,684 INFO L226 Difference]: Without dead ends: 2432 [2022-10-16 13:53:22,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:53:22,687 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 93 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:22,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1942 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:53:22,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2022-10-16 13:53:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2342. [2022-10-16 13:53:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2342 states, 1679 states have (on average 1.2221560452650386) internal successors, (2052), 1703 states have internal predecessors, (2052), 499 states have call successors, (499), 140 states have call predecessors, (499), 150 states have return successors, (523), 505 states have call predecessors, (523), 499 states have call successors, (523) [2022-10-16 13:53:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3074 transitions. [2022-10-16 13:53:22,841 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3074 transitions. Word has length 279 [2022-10-16 13:53:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:22,841 INFO L495 AbstractCegarLoop]: Abstraction has 2342 states and 3074 transitions. [2022-10-16 13:53:22,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.545454545454545) internal successors, (138), 12 states have internal predecessors, (138), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (37), 11 states have call predecessors, (37), 11 states have call successors, (37) [2022-10-16 13:53:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3074 transitions. [2022-10-16 13:53:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-10-16 13:53:22,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:22,847 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:22,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:23,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:23,062 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_sysfs_remove_groupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:23,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:23,063 INFO L85 PathProgramCache]: Analyzing trace with hash -731565308, now seen corresponding path program 1 times [2022-10-16 13:53:23,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:23,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785479748] [2022-10-16 13:53:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:23,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:23,149 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:23,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389983573] [2022-10-16 13:53:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:23,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:23,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:23,151 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:23,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:53:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:23,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 13:53:23,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-10-16 13:53:24,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:24,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:24,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785479748] [2022-10-16 13:53:24,285 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:24,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389983573] [2022-10-16 13:53:24,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389983573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:24,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:24,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:53:24,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348759692] [2022-10-16 13:53:24,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:24,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:53:24,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:24,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:53:24,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:53:24,288 INFO L87 Difference]: Start difference. First operand 2342 states and 3074 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-16 13:53:25,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:25,123 INFO L93 Difference]: Finished difference Result 5408 states and 7098 transitions. [2022-10-16 13:53:25,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:53:25,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 284 [2022-10-16 13:53:25,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:25,165 INFO L225 Difference]: With dead ends: 5408 [2022-10-16 13:53:25,165 INFO L226 Difference]: Without dead ends: 5406 [2022-10-16 13:53:25,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:53:25,170 INFO L413 NwaCegarLoop]: 1867 mSDtfsCounter, 1643 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 3532 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:25,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 3532 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 13:53:25,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5406 states. [2022-10-16 13:53:25,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5406 to 5369. [2022-10-16 13:53:25,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5369 states, 3866 states have (on average 1.2232281427832385) internal successors, (4729), 3904 states have internal predecessors, (4729), 1143 states have call successors, (1143), 323 states have call predecessors, (1143), 346 states have return successors, (1199), 1156 states have call predecessors, (1199), 1143 states have call successors, (1199) [2022-10-16 13:53:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7071 transitions. [2022-10-16 13:53:25,609 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7071 transitions. Word has length 284 [2022-10-16 13:53:25,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:25,610 INFO L495 AbstractCegarLoop]: Abstraction has 5369 states and 7071 transitions. [2022-10-16 13:53:25,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-16 13:53:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7071 transitions. [2022-10-16 13:53:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-10-16 13:53:25,615 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:25,616 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:53:25,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:25,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 13:53:25,831 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:25,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:25,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1756710660, now seen corresponding path program 1 times [2022-10-16 13:53:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:25,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188347881] [2022-10-16 13:53:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:25,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:25,918 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:25,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872388240] [2022-10-16 13:53:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:25,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:25,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:25,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:53:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:26,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:53:26,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-10-16 13:53:26,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:53:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-10-16 13:53:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:26,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188347881] [2022-10-16 13:53:26,838 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:26,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872388240] [2022-10-16 13:53:26,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872388240] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:53:26,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:53:26,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-10-16 13:53:26,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335452953] [2022-10-16 13:53:26,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:53:26,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:53:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:53:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:53:26,841 INFO L87 Difference]: Start difference. First operand 5369 states and 7071 transitions. Second operand has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 5 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2022-10-16 13:53:27,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:27,792 INFO L93 Difference]: Finished difference Result 10504 states and 14748 transitions. [2022-10-16 13:53:27,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:53:27,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 5 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) Word has length 292 [2022-10-16 13:53:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:27,860 INFO L225 Difference]: With dead ends: 10504 [2022-10-16 13:53:27,860 INFO L226 Difference]: Without dead ends: 10503 [2022-10-16 13:53:27,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:53:27,868 INFO L413 NwaCegarLoop]: 1280 mSDtfsCounter, 970 mSDsluCounter, 2356 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1174 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:27,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1174 Valid, 3636 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 13:53:27,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10503 states. [2022-10-16 13:53:28,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10503 to 5551. [2022-10-16 13:53:28,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 4027 states have (on average 1.2334243853985598) internal successors, (4967), 4065 states have internal predecessors, (4967), 1164 states have call successors, (1164), 323 states have call predecessors, (1164), 346 states have return successors, (1220), 1177 states have call predecessors, (1220), 1164 states have call successors, (1220) [2022-10-16 13:53:28,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 7351 transitions. [2022-10-16 13:53:28,364 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 7351 transitions. Word has length 292 [2022-10-16 13:53:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:28,365 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 7351 transitions. [2022-10-16 13:53:28,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.6) internal successors, (128), 6 states have internal predecessors, (128), 5 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 5 states have call predecessors, (37), 5 states have call successors, (37) [2022-10-16 13:53:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 7351 transitions. [2022-10-16 13:53:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-10-16 13:53:28,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:28,371 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:53:28,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:28,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:28,586 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:28,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:28,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1376543122, now seen corresponding path program 1 times [2022-10-16 13:53:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:28,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837009552] [2022-10-16 13:53:28,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:28,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:28,663 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:28,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007768068] [2022-10-16 13:53:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:28,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:28,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:28,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:53:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:29,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:53:29,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:29,489 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-10-16 13:53:29,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:29,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:29,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837009552] [2022-10-16 13:53:29,489 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:29,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007768068] [2022-10-16 13:53:29,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007768068] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:29,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:29,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:53:29,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045728746] [2022-10-16 13:53:29,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:29,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:53:29,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:29,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:53:29,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:53:29,493 INFO L87 Difference]: Start difference. First operand 5551 states and 7351 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-10-16 13:53:30,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:30,033 INFO L93 Difference]: Finished difference Result 7646 states and 10493 transitions. [2022-10-16 13:53:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:53:30,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 293 [2022-10-16 13:53:30,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:30,070 INFO L225 Difference]: With dead ends: 7646 [2022-10-16 13:53:30,070 INFO L226 Difference]: Without dead ends: 7645 [2022-10-16 13:53:30,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:53:30,077 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 333 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:30,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 2478 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:53:30,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7645 states. [2022-10-16 13:53:30,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7645 to 5550. [2022-10-16 13:53:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5550 states, 4027 states have (on average 1.2282095852992303) internal successors, (4946), 4064 states have internal predecessors, (4946), 1164 states have call successors, (1164), 323 states have call predecessors, (1164), 346 states have return successors, (1220), 1177 states have call predecessors, (1220), 1164 states have call successors, (1220) [2022-10-16 13:53:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5550 states to 5550 states and 7330 transitions. [2022-10-16 13:53:30,616 INFO L78 Accepts]: Start accepts. Automaton has 5550 states and 7330 transitions. Word has length 293 [2022-10-16 13:53:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:30,617 INFO L495 AbstractCegarLoop]: Abstraction has 5550 states and 7330 transitions. [2022-10-16 13:53:30,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 3 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-10-16 13:53:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5550 states and 7330 transitions. [2022-10-16 13:53:30,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-16 13:53:30,625 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:30,625 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:30,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:30,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:30,841 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:30,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:30,841 INFO L85 PathProgramCache]: Analyzing trace with hash 154434333, now seen corresponding path program 2 times [2022-10-16 13:53:30,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:30,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536057695] [2022-10-16 13:53:30,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:30,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:30,938 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:30,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538945658] [2022-10-16 13:53:30,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:53:30,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:30,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:30,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:30,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 13:53:31,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 13:53:31,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:53:31,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 13:53:31,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2022-10-16 13:53:31,656 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536057695] [2022-10-16 13:53:31,657 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:31,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538945658] [2022-10-16 13:53:31,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538945658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:31,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:31,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:53:31,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238776514] [2022-10-16 13:53:31,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:31,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:53:31,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:31,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:53:31,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:53:31,661 INFO L87 Difference]: Start difference. First operand 5550 states and 7330 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-16 13:53:32,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:32,569 INFO L93 Difference]: Finished difference Result 12724 states and 17152 transitions. [2022-10-16 13:53:32,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:53:32,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 325 [2022-10-16 13:53:32,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:32,606 INFO L225 Difference]: With dead ends: 12724 [2022-10-16 13:53:32,606 INFO L226 Difference]: Without dead ends: 7210 [2022-10-16 13:53:32,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:53:32,633 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 448 mSDsluCounter, 3345 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 4618 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:32,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 4618 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:53:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7210 states. [2022-10-16 13:53:32,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7210 to 5091. [2022-10-16 13:53:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 3667 states have (on average 1.2178892827924734) internal successors, (4466), 3702 states have internal predecessors, (4466), 1065 states have call successors, (1065), 323 states have call predecessors, (1065), 346 states have return successors, (1121), 1080 states have call predecessors, (1121), 1065 states have call successors, (1121) [2022-10-16 13:53:32,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 6652 transitions. [2022-10-16 13:53:32,997 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 6652 transitions. Word has length 325 [2022-10-16 13:53:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:32,998 INFO L495 AbstractCegarLoop]: Abstraction has 5091 states and 6652 transitions. [2022-10-16 13:53:32,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-16 13:53:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 6652 transitions. [2022-10-16 13:53:33,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-10-16 13:53:33,005 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:33,005 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:33,050 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-10-16 13:53:33,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 13:53:33,219 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:33,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:33,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1481494841, now seen corresponding path program 1 times [2022-10-16 13:53:33,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:33,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236537018] [2022-10-16 13:53:33,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:33,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:33,326 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:33,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743470208] [2022-10-16 13:53:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:33,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:33,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:33,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:33,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 13:53:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:34,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2768 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:53:34,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-10-16 13:53:34,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:53:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-10-16 13:53:34,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:34,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236537018] [2022-10-16 13:53:34,781 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:34,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743470208] [2022-10-16 13:53:34,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743470208] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:53:34,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:53:34,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-10-16 13:53:34,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413868902] [2022-10-16 13:53:34,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:53:34,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 13:53:34,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 13:53:34,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:53:34,784 INFO L87 Difference]: Start difference. First operand 5091 states and 6652 transitions. Second operand has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 12 states have internal predecessors, (172), 11 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 11 states have call predecessors, (43), 11 states have call successors, (43) [2022-10-16 13:53:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:37,705 INFO L93 Difference]: Finished difference Result 14224 states and 20254 transitions. [2022-10-16 13:53:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:53:37,706 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 12 states have internal predecessors, (172), 11 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 11 states have call predecessors, (43), 11 states have call successors, (43) Word has length 327 [2022-10-16 13:53:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:37,774 INFO L225 Difference]: With dead ends: 14224 [2022-10-16 13:53:37,774 INFO L226 Difference]: Without dead ends: 14223 [2022-10-16 13:53:37,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:53:37,782 INFO L413 NwaCegarLoop]: 1595 mSDtfsCounter, 4642 mSDsluCounter, 3330 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 4925 SdHoareTripleChecker+Invalid, 1844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:37,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5146 Valid, 4925 Invalid, 1844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 13:53:37,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14223 states. [2022-10-16 13:53:38,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14223 to 5253. [2022-10-16 13:53:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 3811 states have (on average 1.2238257675150879) internal successors, (4664), 3846 states have internal predecessors, (4664), 1083 states have call successors, (1083), 323 states have call predecessors, (1083), 346 states have return successors, (1139), 1098 states have call predecessors, (1139), 1083 states have call successors, (1139) [2022-10-16 13:53:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 6886 transitions. [2022-10-16 13:53:38,395 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 6886 transitions. Word has length 327 [2022-10-16 13:53:38,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:38,396 INFO L495 AbstractCegarLoop]: Abstraction has 5253 states and 6886 transitions. [2022-10-16 13:53:38,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.636363636363637) internal successors, (172), 12 states have internal predecessors, (172), 11 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 11 states have call predecessors, (43), 11 states have call successors, (43) [2022-10-16 13:53:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 6886 transitions. [2022-10-16 13:53:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-10-16 13:53:38,405 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:38,406 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:53:38,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:38,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 13:53:38,620 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:38,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash 769865451, now seen corresponding path program 1 times [2022-10-16 13:53:38,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:38,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756836149] [2022-10-16 13:53:38,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:38,773 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:38,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743933789] [2022-10-16 13:53:38,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:38,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:38,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:38,775 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:38,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 13:53:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:39,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 3089 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 13:53:39,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-10-16 13:53:39,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:53:40,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 0 proven. 375 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-10-16 13:53:40,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:40,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756836149] [2022-10-16 13:53:40,298 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:40,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743933789] [2022-10-16 13:53:40,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743933789] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:53:40,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:53:40,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2022-10-16 13:53:40,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132539893] [2022-10-16 13:53:40,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:53:40,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 13:53:40,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:40,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 13:53:40,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:53:40,302 INFO L87 Difference]: Start difference. First operand 5253 states and 6886 transitions. Second operand has 24 states, 23 states have (on average 10.652173913043478) internal successors, (245), 24 states have internal predecessors, (245), 23 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (62), 23 states have call predecessors, (62), 23 states have call successors, (62) [2022-10-16 13:53:40,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:40,878 INFO L93 Difference]: Finished difference Result 6304 states and 8430 transitions. [2022-10-16 13:53:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 13:53:40,879 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 10.652173913043478) internal successors, (245), 24 states have internal predecessors, (245), 23 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (62), 23 states have call predecessors, (62), 23 states have call successors, (62) Word has length 416 [2022-10-16 13:53:40,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:40,909 INFO L225 Difference]: With dead ends: 6304 [2022-10-16 13:53:40,909 INFO L226 Difference]: Without dead ends: 6303 [2022-10-16 13:53:40,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 808 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:53:40,915 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 145 mSDsluCounter, 7604 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 8571 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:40,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 8571 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:53:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6303 states. [2022-10-16 13:53:41,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6303 to 5841. [2022-10-16 13:53:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5841 states, 4315 states have (on average 1.2171494785631518) internal successors, (5252), 4350 states have internal predecessors, (5252), 1167 states have call successors, (1167), 323 states have call predecessors, (1167), 346 states have return successors, (1223), 1182 states have call predecessors, (1223), 1167 states have call successors, (1223) [2022-10-16 13:53:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 7642 transitions. [2022-10-16 13:53:41,536 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 7642 transitions. Word has length 416 [2022-10-16 13:53:41,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:41,537 INFO L495 AbstractCegarLoop]: Abstraction has 5841 states and 7642 transitions. [2022-10-16 13:53:41,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 10.652173913043478) internal successors, (245), 24 states have internal predecessors, (245), 23 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (62), 23 states have call predecessors, (62), 23 states have call successors, (62) [2022-10-16 13:53:41,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 7642 transitions. [2022-10-16 13:53:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-10-16 13:53:41,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:41,547 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:41,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:41,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 13:53:41,762 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:41,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1512749436, now seen corresponding path program 1 times [2022-10-16 13:53:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:41,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436926618] [2022-10-16 13:53:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:41,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:41,895 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:41,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998899650] [2022-10-16 13:53:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:41,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:41,897 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:41,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 13:53:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:42,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 3373 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:53:42,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:42,905 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 11 treesize of output 5 [2022-10-16 13:53:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2022-10-16 13:53:42,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:42,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:42,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436926618] [2022-10-16 13:53:42,921 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:42,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998899650] [2022-10-16 13:53:42,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998899650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:42,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:42,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:53:42,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554931631] [2022-10-16 13:53:42,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:42,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:53:42,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:42,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:53:42,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:42,925 INFO L87 Difference]: Start difference. First operand 5841 states and 7642 transitions. Second operand has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2022-10-16 13:53:43,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:43,430 INFO L93 Difference]: Finished difference Result 5904 states and 7733 transitions. [2022-10-16 13:53:43,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:53:43,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 432 [2022-10-16 13:53:43,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:43,456 INFO L225 Difference]: With dead ends: 5904 [2022-10-16 13:53:43,456 INFO L226 Difference]: Without dead ends: 5903 [2022-10-16 13:53:43,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:43,462 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 86 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:43,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1800 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:53:43,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5903 states. [2022-10-16 13:53:43,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5903 to 5840. [2022-10-16 13:53:43,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5840 states, 4315 states have (on average 1.2155272305909617) internal successors, (5245), 4349 states have internal predecessors, (5245), 1167 states have call successors, (1167), 323 states have call predecessors, (1167), 346 states have return successors, (1223), 1182 states have call predecessors, (1223), 1167 states have call successors, (1223) [2022-10-16 13:53:43,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 7635 transitions. [2022-10-16 13:53:43,924 INFO L78 Accepts]: Start accepts. Automaton has 5840 states and 7635 transitions. Word has length 432 [2022-10-16 13:53:43,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:43,925 INFO L495 AbstractCegarLoop]: Abstraction has 5840 states and 7635 transitions. [2022-10-16 13:53:43,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 83.0) internal successors, (166), 3 states have internal predecessors, (166), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2022-10-16 13:53:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5840 states and 7635 transitions. [2022-10-16 13:53:43,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-10-16 13:53:43,934 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:43,934 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:43,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:44,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 13:53:44,148 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1090287382, now seen corresponding path program 1 times [2022-10-16 13:53:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665339982] [2022-10-16 13:53:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:44,243 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:44,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772673460] [2022-10-16 13:53:44,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:44,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:44,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:44,245 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:44,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 13:53:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:45,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 3110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:53:45,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:45,169 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 11 treesize of output 5 [2022-10-16 13:53:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-10-16 13:53:45,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:45,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:45,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665339982] [2022-10-16 13:53:45,185 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772673460] [2022-10-16 13:53:45,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772673460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:45,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:45,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:53:45,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672041686] [2022-10-16 13:53:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:45,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:53:45,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:45,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:53:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:45,190 INFO L87 Difference]: Start difference. First operand 5840 states and 7635 transitions. Second operand has 3 states, 2 states have (on average 66.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-10-16 13:53:45,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:45,578 INFO L93 Difference]: Finished difference Result 5903 states and 7726 transitions. [2022-10-16 13:53:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:53:45,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 66.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 356 [2022-10-16 13:53:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:45,608 INFO L225 Difference]: With dead ends: 5903 [2022-10-16 13:53:45,609 INFO L226 Difference]: Without dead ends: 5902 [2022-10-16 13:53:45,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:45,614 INFO L413 NwaCegarLoop]: 951 mSDtfsCounter, 84 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1800 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:45,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1800 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:53:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5902 states. [2022-10-16 13:53:46,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5902 to 5839. [2022-10-16 13:53:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 4315 states have (on average 1.2139049826187718) internal successors, (5238), 4348 states have internal predecessors, (5238), 1167 states have call successors, (1167), 323 states have call predecessors, (1167), 346 states have return successors, (1223), 1182 states have call predecessors, (1223), 1167 states have call successors, (1223) [2022-10-16 13:53:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 7628 transitions. [2022-10-16 13:53:46,244 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 7628 transitions. Word has length 356 [2022-10-16 13:53:46,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:46,245 INFO L495 AbstractCegarLoop]: Abstraction has 5839 states and 7628 transitions. [2022-10-16 13:53:46,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 66.0) internal successors, (132), 3 states have internal predecessors, (132), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2022-10-16 13:53:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 7628 transitions. [2022-10-16 13:53:46,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-10-16 13:53:46,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:46,257 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:46,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:46,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 13:53:46,471 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:46,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash -124900443, now seen corresponding path program 1 times [2022-10-16 13:53:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:46,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790133723] [2022-10-16 13:53:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:46,569 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:46,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778239010] [2022-10-16 13:53:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:46,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:46,571 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:46,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 13:53:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:47,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 13:53:47,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:47,459 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 13:53:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-10-16 13:53:47,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:47,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:47,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790133723] [2022-10-16 13:53:47,486 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:47,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778239010] [2022-10-16 13:53:47,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778239010] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:47,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:47,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:53:47,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119293619] [2022-10-16 13:53:47,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:47,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:53:47,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:47,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:53:47,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:53:47,490 INFO L87 Difference]: Start difference. First operand 5839 states and 7628 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-10-16 13:53:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:48,214 INFO L93 Difference]: Finished difference Result 12339 states and 16269 transitions. [2022-10-16 13:53:48,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:53:48,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 380 [2022-10-16 13:53:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:48,245 INFO L225 Difference]: With dead ends: 12339 [2022-10-16 13:53:48,246 INFO L226 Difference]: Without dead ends: 6536 [2022-10-16 13:53:48,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:53:48,275 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 87 mSDsluCounter, 3109 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:48,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 4191 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:53:48,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-10-16 13:53:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5839. [2022-10-16 13:53:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 4315 states have (on average 1.2139049826187718) internal successors, (5238), 4348 states have internal predecessors, (5238), 1167 states have call successors, (1167), 323 states have call predecessors, (1167), 346 states have return successors, (1223), 1182 states have call predecessors, (1223), 1167 states have call successors, (1223) [2022-10-16 13:53:48,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 7628 transitions. [2022-10-16 13:53:48,805 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 7628 transitions. Word has length 380 [2022-10-16 13:53:48,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:48,806 INFO L495 AbstractCegarLoop]: Abstraction has 5839 states and 7628 transitions. [2022-10-16 13:53:48,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2022-10-16 13:53:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 7628 transitions. [2022-10-16 13:53:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-10-16 13:53:48,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:48,817 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:48,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:49,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:49,031 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:49,031 INFO L85 PathProgramCache]: Analyzing trace with hash -540673292, now seen corresponding path program 1 times [2022-10-16 13:53:49,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:49,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818698383] [2022-10-16 13:53:49,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:49,127 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:49,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300592620] [2022-10-16 13:53:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:49,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:49,129 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:49,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 13:53:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:50,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:53:50,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:50,111 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 20 treesize of output 8 [2022-10-16 13:53:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2022-10-16 13:53:50,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:50,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:50,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818698383] [2022-10-16 13:53:50,137 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:50,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300592620] [2022-10-16 13:53:50,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300592620] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:50,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:50,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:53:50,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505574872] [2022-10-16 13:53:50,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:50,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:53:50,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:50,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:53:50,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:53:50,140 INFO L87 Difference]: Start difference. First operand 5839 states and 7628 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2022-10-16 13:53:51,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:51,909 INFO L93 Difference]: Finished difference Result 12339 states and 16269 transitions. [2022-10-16 13:53:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:53:51,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) Word has length 408 [2022-10-16 13:53:51,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:51,942 INFO L225 Difference]: With dead ends: 12339 [2022-10-16 13:53:51,942 INFO L226 Difference]: Without dead ends: 6536 [2022-10-16 13:53:51,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:53:51,969 INFO L413 NwaCegarLoop]: 1080 mSDtfsCounter, 87 mSDsluCounter, 4073 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 5153 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:51,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 5153 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 13:53:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-10-16 13:53:52,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5839. [2022-10-16 13:53:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 4315 states have (on average 1.2139049826187718) internal successors, (5238), 4348 states have internal predecessors, (5238), 1167 states have call successors, (1167), 323 states have call predecessors, (1167), 346 states have return successors, (1223), 1182 states have call predecessors, (1223), 1167 states have call successors, (1223) [2022-10-16 13:53:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 7628 transitions. [2022-10-16 13:53:52,567 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 7628 transitions. Word has length 408 [2022-10-16 13:53:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:52,568 INFO L495 AbstractCegarLoop]: Abstraction has 5839 states and 7628 transitions. [2022-10-16 13:53:52,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 2 states have call successors, (50) [2022-10-16 13:53:52,568 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 7628 transitions. [2022-10-16 13:53:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2022-10-16 13:53:52,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:52,582 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 10, 10, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:52,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:52,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:52,797 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:52,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:52,798 INFO L85 PathProgramCache]: Analyzing trace with hash 227995507, now seen corresponding path program 1 times [2022-10-16 13:53:52,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:52,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341085537] [2022-10-16 13:53:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:52,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:52,931 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:52,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749502632] [2022-10-16 13:53:52,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:52,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:52,933 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:52,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 13:53:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:54,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 4105 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:53:54,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-10-16 13:53:54,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:54,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:54,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341085537] [2022-10-16 13:53:54,223 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:54,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749502632] [2022-10-16 13:53:54,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749502632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:54,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:54,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:53:54,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954976158] [2022-10-16 13:53:54,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:54,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:53:54,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:54,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:53:54,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:54,226 INFO L87 Difference]: Start difference. First operand 5839 states and 7628 transitions. Second operand has 3 states, 2 states have (on average 99.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-10-16 13:53:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:54,596 INFO L93 Difference]: Finished difference Result 6330 states and 8391 transitions. [2022-10-16 13:53:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:53:54,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 99.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 594 [2022-10-16 13:53:54,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:54,622 INFO L225 Difference]: With dead ends: 6330 [2022-10-16 13:53:54,622 INFO L226 Difference]: Without dead ends: 6329 [2022-10-16 13:53:54,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:54,628 INFO L413 NwaCegarLoop]: 959 mSDtfsCounter, 58 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:54,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1892 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:53:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6329 states. [2022-10-16 13:53:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6329 to 6238. [2022-10-16 13:53:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 4623 states have (on average 1.226908933592905) internal successors, (5672), 4656 states have internal predecessors, (5672), 1258 states have call successors, (1258), 323 states have call predecessors, (1258), 346 states have return successors, (1321), 1273 states have call predecessors, (1321), 1258 states have call successors, (1321) [2022-10-16 13:53:55,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8251 transitions. [2022-10-16 13:53:55,199 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8251 transitions. Word has length 594 [2022-10-16 13:53:55,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:55,199 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8251 transitions. [2022-10-16 13:53:55,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 99.0) internal successors, (198), 3 states have internal predecessors, (198), 2 states have call successors, (66), 1 states have call predecessors, (66), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-10-16 13:53:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8251 transitions. [2022-10-16 13:53:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-10-16 13:53:55,209 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:55,210 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:55,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:55,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:55,426 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting mspro_block_init_cardErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:55,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:55,427 INFO L85 PathProgramCache]: Analyzing trace with hash 499603473, now seen corresponding path program 1 times [2022-10-16 13:53:55,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:55,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353425723] [2022-10-16 13:53:55,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:55,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:55,555 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:53:55,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954194616] [2022-10-16 13:53:55,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:55,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:53:55,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:53:55,558 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:53:55,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 13:53:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:56,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 3770 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:53:56,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:53:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2022-10-16 13:53:56,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:53:56,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:53:56,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353425723] [2022-10-16 13:53:56,787 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:53:56,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954194616] [2022-10-16 13:53:56,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954194616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:53:56,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:53:56,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:53:56,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812306398] [2022-10-16 13:53:56,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:53:56,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:53:56,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:53:56,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:53:56,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:56,789 INFO L87 Difference]: Start difference. First operand 6238 states and 8251 transitions. Second operand has 3 states, 2 states have (on average 82.0) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-10-16 13:53:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:53:57,159 INFO L93 Difference]: Finished difference Result 6315 states and 8363 transitions. [2022-10-16 13:53:57,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:53:57,162 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 82.0) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 497 [2022-10-16 13:53:57,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:53:57,186 INFO L225 Difference]: With dead ends: 6315 [2022-10-16 13:53:57,186 INFO L226 Difference]: Without dead ends: 6314 [2022-10-16 13:53:57,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:53:57,192 INFO L413 NwaCegarLoop]: 945 mSDtfsCounter, 57 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:53:57,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 1809 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:53:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2022-10-16 13:53:57,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 6237. [2022-10-16 13:53:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6237 states, 4623 states have (on average 1.2253947653039152) internal successors, (5665), 4655 states have internal predecessors, (5665), 1258 states have call successors, (1258), 323 states have call predecessors, (1258), 346 states have return successors, (1321), 1273 states have call predecessors, (1321), 1258 states have call successors, (1321) [2022-10-16 13:53:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6237 states to 6237 states and 8244 transitions. [2022-10-16 13:53:57,789 INFO L78 Accepts]: Start accepts. Automaton has 6237 states and 8244 transitions. Word has length 497 [2022-10-16 13:53:57,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:53:57,790 INFO L495 AbstractCegarLoop]: Abstraction has 6237 states and 8244 transitions. [2022-10-16 13:53:57,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 82.0) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-10-16 13:53:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6237 states and 8244 transitions. [2022-10-16 13:53:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-10-16 13:53:57,801 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:53:57,802 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2022-10-16 13:53:57,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 13:53:58,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-10-16 13:53:58,017 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_fs_sysfs_sysfs_remove_groupErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:53:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:53:58,018 INFO L85 PathProgramCache]: Analyzing trace with hash 482771925, now seen corresponding path program 1 times [2022-10-16 13:53:58,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:53:58,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849568707] [2022-10-16 13:53:58,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:53:58,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:53:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:53:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 13:53:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-16 13:53:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 13:53:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 13:53:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 13:53:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-16 13:53:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-10-16 13:53:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:53:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 13:53:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-16 13:53:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-16 13:53:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-16 13:53:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-16 13:53:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-10-16 13:53:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:53:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-10-16 13:53:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-10-16 13:53:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-10-16 13:53:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-10-16 13:53:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:53:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-10-16 13:53:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-16 13:54:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 13:54:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:54:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 13:54:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:54:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 13:54:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-16 13:54:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 13:54:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 13:54:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:54:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 13:54:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:54:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 13:54:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-16 13:54:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-10-16 13:54:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-10-16 13:54:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-10-16 13:54:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-10-16 13:54:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-10-16 13:54:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-10-16 13:54:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-10-16 13:54:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-10-16 13:54:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-10-16 13:54:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-10-16 13:54:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-10-16 13:54:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-16 13:54:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 13:54:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-10-16 13:54:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 13:54:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 13:54:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-10-16 13:54:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2022-10-16 13:54:00,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:00,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849568707] [2022-10-16 13:54:00,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849568707] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:54:00,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144756212] [2022-10-16 13:54:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:00,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:00,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:00,559 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:00,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 13:54:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:01,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:54:01,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 96 proven. 547 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-10-16 13:54:02,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:54:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2022-10-16 13:54:03,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144756212] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:54:03,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:54:03,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2022-10-16 13:54:03,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338653370] [2022-10-16 13:54:03,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:54:03,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 13:54:03,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 13:54:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2022-10-16 13:54:03,053 INFO L87 Difference]: Start difference. First operand 6237 states and 8244 transitions. Second operand has 19 states, 18 states have (on average 23.38888888888889) internal successors, (421), 13 states have internal predecessors, (421), 13 states have call successors, (158), 13 states have call predecessors, (158), 6 states have return successors, (152), 12 states have call predecessors, (152), 13 states have call successors, (152) [2022-10-16 13:54:13,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:54:21,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:54:27,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:54:30,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:30,904 INFO L93 Difference]: Finished difference Result 12589 states and 16731 transitions. [2022-10-16 13:54:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-10-16 13:54:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 23.38888888888889) internal successors, (421), 13 states have internal predecessors, (421), 13 states have call successors, (158), 13 states have call predecessors, (158), 6 states have return successors, (152), 12 states have call predecessors, (152), 13 states have call successors, (152) Word has length 489 [2022-10-16 13:54:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:30,949 INFO L225 Difference]: With dead ends: 12589 [2022-10-16 13:54:30,950 INFO L226 Difference]: Without dead ends: 12587 [2022-10-16 13:54:30,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1232 GetRequests, 1143 SyntacticMatches, 2 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2930 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1982, Invalid=5850, Unknown=0, NotChecked=0, Total=7832 [2022-10-16 13:54:30,960 INFO L413 NwaCegarLoop]: 792 mSDtfsCounter, 14025 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 8397 mSolverCounterSat, 9986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14227 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 18383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9986 IncrementalHoareTripleChecker+Valid, 8397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:30,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14227 Valid, 3137 Invalid, 18383 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9986 Valid, 8397 Invalid, 0 Unknown, 0 Unchecked, 24.1s Time] [2022-10-16 13:54:30,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12587 states. [2022-10-16 13:54:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12587 to 10500. [2022-10-16 13:54:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10500 states, 7770 states have (on average 1.2223938223938224) internal successors, (9498), 7817 states have internal predecessors, (9498), 2124 states have call successors, (2124), 553 states have call predecessors, (2124), 596 states have return successors, (2232), 2154 states have call predecessors, (2232), 2124 states have call successors, (2232) [2022-10-16 13:54:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10500 states to 10500 states and 13854 transitions. [2022-10-16 13:54:32,109 INFO L78 Accepts]: Start accepts. Automaton has 10500 states and 13854 transitions. Word has length 489 [2022-10-16 13:54:32,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:54:32,110 INFO L495 AbstractCegarLoop]: Abstraction has 10500 states and 13854 transitions. [2022-10-16 13:54:32,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 23.38888888888889) internal successors, (421), 13 states have internal predecessors, (421), 13 states have call successors, (158), 13 states have call predecessors, (158), 6 states have return successors, (152), 12 states have call predecessors, (152), 13 states have call successors, (152) [2022-10-16 13:54:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 10500 states and 13854 transitions. [2022-10-16 13:54:32,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-10-16 13:54:32,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:54:32,122 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:32,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 13:54:32,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:32,337 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:54:32,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:54:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -202288918, now seen corresponding path program 1 times [2022-10-16 13:54:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:54:32,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481497314] [2022-10-16 13:54:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:54:32,441 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:54:32,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [8549595] [2022-10-16 13:54:32,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:32,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:32,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:32,443 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:32,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 13:54:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:33,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 3533 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:54:33,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2022-10-16 13:54:33,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:54:33,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:33,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481497314] [2022-10-16 13:54:33,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:54:33,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8549595] [2022-10-16 13:54:33,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8549595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:54:33,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:54:33,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:54:33,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016226326] [2022-10-16 13:54:33,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:54:33,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:54:33,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:33,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:54:33,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:54:33,577 INFO L87 Difference]: Start difference. First operand 10500 states and 13854 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-10-16 13:54:34,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:34,628 INFO L93 Difference]: Finished difference Result 21012 states and 27756 transitions. [2022-10-16 13:54:34,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:54:34,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 463 [2022-10-16 13:54:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:34,685 INFO L225 Difference]: With dead ends: 21012 [2022-10-16 13:54:34,685 INFO L226 Difference]: Without dead ends: 10548 [2022-10-16 13:54:34,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:54:34,723 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 5 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:34,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2813 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:54:34,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10548 states. [2022-10-16 13:54:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10548 to 10524. [2022-10-16 13:54:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10524 states, 7794 states have (on average 1.2217090069284064) internal successors, (9522), 7841 states have internal predecessors, (9522), 2124 states have call successors, (2124), 553 states have call predecessors, (2124), 596 states have return successors, (2232), 2154 states have call predecessors, (2232), 2124 states have call successors, (2232) [2022-10-16 13:54:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10524 states to 10524 states and 13878 transitions. [2022-10-16 13:54:36,169 INFO L78 Accepts]: Start accepts. Automaton has 10524 states and 13878 transitions. Word has length 463 [2022-10-16 13:54:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:54:36,170 INFO L495 AbstractCegarLoop]: Abstraction has 10524 states and 13878 transitions. [2022-10-16 13:54:36,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-10-16 13:54:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 10524 states and 13878 transitions. [2022-10-16 13:54:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-10-16 13:54:36,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:54:36,178 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 16, 16, 16, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:54:36,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-10-16 13:54:36,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:36,380 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting mspro_block_data_clearErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:54:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:54:36,381 INFO L85 PathProgramCache]: Analyzing trace with hash -835299177, now seen corresponding path program 2 times [2022-10-16 13:54:36,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:54:36,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384552741] [2022-10-16 13:54:36,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:36,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:54:36,489 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:54:36,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989103461] [2022-10-16 13:54:36,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:54:36,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:36,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:36,490 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:36,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 13:54:37,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:54:37,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:54:37,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 3761 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 13:54:37,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3170 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2022-10-16 13:54:38,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:54:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3170 backedges. 0 proven. 1749 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2022-10-16 13:54:39,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:39,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384552741] [2022-10-16 13:54:39,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:54:39,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989103461] [2022-10-16 13:54:39,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989103461] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:54:39,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:54:39,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2022-10-16 13:54:39,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139407792] [2022-10-16 13:54:39,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:54:39,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-10-16 13:54:39,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:39,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-10-16 13:54:39,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 13:54:39,655 INFO L87 Difference]: Start difference. First operand 10524 states and 13878 transitions. Second operand has 48 states, 47 states have (on average 8.27659574468085) internal successors, (389), 48 states have internal predecessors, (389), 47 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (86), 47 states have call predecessors, (86), 47 states have call successors, (86) [2022-10-16 13:54:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:41,296 INFO L93 Difference]: Finished difference Result 14197 states and 19380 transitions. [2022-10-16 13:54:41,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 13:54:41,297 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.27659574468085) internal successors, (389), 48 states have internal predecessors, (389), 47 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (86), 47 states have call predecessors, (86), 47 states have call successors, (86) Word has length 536 [2022-10-16 13:54:41,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:41,361 INFO L225 Difference]: With dead ends: 14197 [2022-10-16 13:54:41,362 INFO L226 Difference]: Without dead ends: 14196 [2022-10-16 13:54:41,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1070 GetRequests, 1024 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 13:54:41,373 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 594 mSDsluCounter, 6766 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 7754 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:41,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 7754 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 13:54:41,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14196 states. [2022-10-16 13:54:42,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14196 to 12540. [2022-10-16 13:54:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12540 states, 9522 states have (on average 1.2117202268431002) internal successors, (11538), 9569 states have internal predecessors, (11538), 2412 states have call successors, (2412), 553 states have call predecessors, (2412), 596 states have return successors, (2520), 2442 states have call predecessors, (2520), 2412 states have call successors, (2520) [2022-10-16 13:54:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12540 states to 12540 states and 16470 transitions. [2022-10-16 13:54:42,665 INFO L78 Accepts]: Start accepts. Automaton has 12540 states and 16470 transitions. Word has length 536 [2022-10-16 13:54:42,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:54:42,666 INFO L495 AbstractCegarLoop]: Abstraction has 12540 states and 16470 transitions. [2022-10-16 13:54:42,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.27659574468085) internal successors, (389), 48 states have internal predecessors, (389), 47 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (86), 47 states have call predecessors, (86), 47 states have call successors, (86) [2022-10-16 13:54:42,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12540 states and 16470 transitions. [2022-10-16 13:54:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2022-10-16 13:54:42,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:54:42,676 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:42,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 13:54:42,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:42,882 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:54:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:54:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 74800193, now seen corresponding path program 1 times [2022-10-16 13:54:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:54:42,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529581238] [2022-10-16 13:54:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:54:43,007 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:54:43,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [595697680] [2022-10-16 13:54:43,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:43,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:43,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:43,009 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:43,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 13:54:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:44,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 4568 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:54:44,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1565 trivial. 0 not checked. [2022-10-16 13:54:44,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:54:44,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1565 trivial. 0 not checked. [2022-10-16 13:54:44,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:44,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529581238] [2022-10-16 13:54:44,992 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:54:44,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595697680] [2022-10-16 13:54:44,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595697680] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:54:44,993 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:54:44,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-10-16 13:54:44,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657255845] [2022-10-16 13:54:44,994 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:54:44,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:54:44,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:44,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:54:44,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:54:44,996 INFO L87 Difference]: Start difference. First operand 12540 states and 16470 transitions. Second operand has 6 states, 5 states have (on average 49.8) internal successors, (249), 6 states have internal predecessors, (249), 5 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2022-10-16 13:54:46,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:46,561 INFO L93 Difference]: Finished difference Result 15205 states and 20562 transitions. [2022-10-16 13:54:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:54:46,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 49.8) internal successors, (249), 6 states have internal predecessors, (249), 5 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) Word has length 687 [2022-10-16 13:54:46,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:46,624 INFO L225 Difference]: With dead ends: 15205 [2022-10-16 13:54:46,624 INFO L226 Difference]: Without dead ends: 15204 [2022-10-16 13:54:46,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1372 GetRequests, 1368 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:54:46,635 INFO L413 NwaCegarLoop]: 1001 mSDtfsCounter, 340 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 3006 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:46,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 3006 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 13:54:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15204 states. [2022-10-16 13:54:48,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15204 to 14628. [2022-10-16 13:54:48,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14628 states, 11142 states have (on average 1.2390953150242325) internal successors, (13806), 11189 states have internal predecessors, (13806), 2880 states have call successors, (2880), 553 states have call predecessors, (2880), 596 states have return successors, (3024), 2910 states have call predecessors, (3024), 2880 states have call successors, (3024) [2022-10-16 13:54:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14628 states to 14628 states and 19710 transitions. [2022-10-16 13:54:48,089 INFO L78 Accepts]: Start accepts. Automaton has 14628 states and 19710 transitions. Word has length 687 [2022-10-16 13:54:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:54:48,090 INFO L495 AbstractCegarLoop]: Abstraction has 14628 states and 19710 transitions. [2022-10-16 13:54:48,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 49.8) internal successors, (249), 6 states have internal predecessors, (249), 5 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (80), 5 states have call predecessors, (80), 5 states have call successors, (80) [2022-10-16 13:54:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 14628 states and 19710 transitions. [2022-10-16 13:54:48,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-10-16 13:54:48,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:54:48,098 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:48,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 13:54:48,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 13:54:48,299 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:54:48,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:54:48,300 INFO L85 PathProgramCache]: Analyzing trace with hash 792860275, now seen corresponding path program 1 times [2022-10-16 13:54:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:54:48,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27843388] [2022-10-16 13:54:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:48,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:54:48,397 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:54:48,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [916290542] [2022-10-16 13:54:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:48,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:48,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:48,399 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:48,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 13:54:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:49,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 3844 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 13:54:49,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:49,705 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 20 treesize of output 8 [2022-10-16 13:54:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-10-16 13:54:49,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:54:49,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27843388] [2022-10-16 13:54:49,728 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:54:49,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916290542] [2022-10-16 13:54:49,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916290542] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:54:49,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:54:49,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:54:49,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346131264] [2022-10-16 13:54:49,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:54:49,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:54:49,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:49,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:54:49,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:54:49,731 INFO L87 Difference]: Start difference. First operand 14628 states and 19710 transitions. Second operand has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-10-16 13:54:52,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:52,209 INFO L93 Difference]: Finished difference Result 29340 states and 39564 transitions. [2022-10-16 13:54:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 13:54:52,209 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 497 [2022-10-16 13:54:52,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:52,267 INFO L225 Difference]: With dead ends: 29340 [2022-10-16 13:54:52,267 INFO L226 Difference]: Without dead ends: 14748 [2022-10-16 13:54:52,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:54:52,313 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 10 mSDsluCounter, 3653 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 4599 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:52,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 4599 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 13:54:52,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14748 states. [2022-10-16 13:54:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14748 to 14652. [2022-10-16 13:54:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14652 states, 11166 states have (on average 1.2385814078452444) internal successors, (13830), 11213 states have internal predecessors, (13830), 2880 states have call successors, (2880), 553 states have call predecessors, (2880), 596 states have return successors, (3024), 2910 states have call predecessors, (3024), 2880 states have call successors, (3024) [2022-10-16 13:54:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14652 states to 14652 states and 19734 transitions. [2022-10-16 13:54:53,773 INFO L78 Accepts]: Start accepts. Automaton has 14652 states and 19734 transitions. Word has length 497 [2022-10-16 13:54:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:54:53,774 INFO L495 AbstractCegarLoop]: Abstraction has 14652 states and 19734 transitions. [2022-10-16 13:54:53,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.0) internal successors, (216), 6 states have internal predecessors, (216), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-10-16 13:54:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 14652 states and 19734 transitions. [2022-10-16 13:54:53,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-10-16 13:54:53,785 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:54:53,785 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:54:53,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-10-16 13:54:53,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 13:54:53,987 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:54:53,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:54:53,988 INFO L85 PathProgramCache]: Analyzing trace with hash 590023246, now seen corresponding path program 1 times [2022-10-16 13:54:53,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:54:53,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208705981] [2022-10-16 13:54:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:53,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:54:54,104 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:54:54,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460924061] [2022-10-16 13:54:54,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:54:54,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:54:54,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:54:54,106 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:54:54,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 13:54:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:54:55,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 4143 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 13:54:55,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:54:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2022-10-16 13:54:56,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:54:56,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:54:56,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208705981] [2022-10-16 13:54:56,339 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:54:56,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460924061] [2022-10-16 13:54:56,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460924061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:54:56,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:54:56,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:54:56,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835264278] [2022-10-16 13:54:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:54:56,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:54:56,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:54:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:54:56,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:54:56,342 INFO L87 Difference]: Start difference. First operand 14652 states and 19734 transitions. Second operand has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (67), 2 states have call predecessors, (67), 3 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-10-16 13:54:58,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:54:58,708 INFO L93 Difference]: Finished difference Result 28837 states and 38941 transitions. [2022-10-16 13:54:58,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:54:58,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (67), 2 states have call predecessors, (67), 3 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 579 [2022-10-16 13:54:58,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:54:58,762 INFO L225 Difference]: With dead ends: 28837 [2022-10-16 13:54:58,762 INFO L226 Difference]: Without dead ends: 14105 [2022-10-16 13:54:58,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:54:58,822 INFO L413 NwaCegarLoop]: 845 mSDtfsCounter, 544 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:54:58,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1931 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 13:54:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14105 states. [2022-10-16 13:55:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14105 to 14105. [2022-10-16 13:55:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14105 states, 10790 states have (on average 1.2409638554216869) internal successors, (13390), 10834 states have internal predecessors, (13390), 2760 states have call successors, (2760), 505 states have call predecessors, (2760), 548 states have return successors, (2904), 2790 states have call predecessors, (2904), 2760 states have call successors, (2904) [2022-10-16 13:55:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14105 states to 14105 states and 19054 transitions. [2022-10-16 13:55:00,386 INFO L78 Accepts]: Start accepts. Automaton has 14105 states and 19054 transitions. Word has length 579 [2022-10-16 13:55:00,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:55:00,387 INFO L495 AbstractCegarLoop]: Abstraction has 14105 states and 19054 transitions. [2022-10-16 13:55:00,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (67), 2 states have call predecessors, (67), 3 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-10-16 13:55:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 14105 states and 19054 transitions. [2022-10-16 13:55:00,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-10-16 13:55:00,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:00,397 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:55:00,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-10-16 13:55:00,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 13:55:00,599 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:55:00,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash -116878576, now seen corresponding path program 1 times [2022-10-16 13:55:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:00,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217663542] [2022-10-16 13:55:00,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:00,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:00,704 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:55:00,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [840022090] [2022-10-16 13:55:00,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:00,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:00,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:00,706 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:55:00,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 13:55:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:02,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 4372 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 13:55:02,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:55:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-10-16 13:55:02,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:55:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 0 proven. 430 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-10-16 13:55:03,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:55:03,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217663542] [2022-10-16 13:55:03,080 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:55:03,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840022090] [2022-10-16 13:55:03,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840022090] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:55:03,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:55:03,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2022-10-16 13:55:03,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919625751] [2022-10-16 13:55:03,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:55:03,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 13:55:03,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:55:03,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 13:55:03,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:55:03,086 INFO L87 Difference]: Start difference. First operand 14105 states and 19054 transitions. Second operand has 24 states, 23 states have (on average 14.08695652173913) internal successors, (324), 24 states have internal predecessors, (324), 23 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 23 states have call predecessors, (75), 23 states have call successors, (75) [2022-10-16 13:55:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:55:13,122 INFO L93 Difference]: Finished difference Result 41334 states and 60008 transitions. [2022-10-16 13:55:13,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 13:55:13,123 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.08695652173913) internal successors, (324), 24 states have internal predecessors, (324), 23 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 23 states have call predecessors, (75), 23 states have call successors, (75) Word has length 592 [2022-10-16 13:55:13,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:55:13,255 INFO L225 Difference]: With dead ends: 41334 [2022-10-16 13:55:13,255 INFO L226 Difference]: Without dead ends: 41333 [2022-10-16 13:55:13,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1182 GetRequests, 1160 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2022-10-16 13:55:13,270 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 6007 mSDsluCounter, 7519 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6799 SdHoareTripleChecker+Valid, 9320 SdHoareTripleChecker+Invalid, 3403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:55:13,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6799 Valid, 9320 Invalid, 3403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1167 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-10-16 13:55:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41333 states. [2022-10-16 13:55:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41333 to 14537. [2022-10-16 13:55:15,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14537 states, 11174 states have (on average 1.2455700733846429) internal successors, (13918), 11218 states have internal predecessors, (13918), 2808 states have call successors, (2808), 505 states have call predecessors, (2808), 548 states have return successors, (2952), 2838 states have call predecessors, (2952), 2808 states have call successors, (2952) [2022-10-16 13:55:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14537 states to 14537 states and 19678 transitions. [2022-10-16 13:55:15,604 INFO L78 Accepts]: Start accepts. Automaton has 14537 states and 19678 transitions. Word has length 592 [2022-10-16 13:55:15,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:55:15,605 INFO L495 AbstractCegarLoop]: Abstraction has 14537 states and 19678 transitions. [2022-10-16 13:55:15,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.08695652173913) internal successors, (324), 24 states have internal predecessors, (324), 23 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 23 states have call predecessors, (75), 23 states have call successors, (75) [2022-10-16 13:55:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 14537 states and 19678 transitions. [2022-10-16 13:55:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2022-10-16 13:55:15,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:15,623 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 14, 14, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:55:15,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-10-16 13:55:15,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:15,824 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:55:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:15,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1118180595, now seen corresponding path program 2 times [2022-10-16 13:55:15,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:15,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92291537] [2022-10-16 13:55:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:15,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:15,970 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:55:15,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1206621271] [2022-10-16 13:55:15,971 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:55:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:15,977 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:55:15,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 13:55:17,054 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 13:55:17,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:55:17,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 13:55:17,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:55:17,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3404 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 3364 trivial. 0 not checked. [2022-10-16 13:55:17,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:55:17,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:55:17,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92291537] [2022-10-16 13:55:17,136 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:55:17,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206621271] [2022-10-16 13:55:17,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206621271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:55:17,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:55:17,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:55:17,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085314426] [2022-10-16 13:55:17,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:55:17,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:55:17,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:55:17,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:55:17,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:55:17,139 INFO L87 Difference]: Start difference. First operand 14537 states and 19678 transitions. Second operand has 5 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 1 states have call successors, (66) [2022-10-16 13:55:19,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:55:19,076 INFO L93 Difference]: Finished difference Result 32663 states and 45080 transitions. [2022-10-16 13:55:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:55:19,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 1 states have call successors, (66) Word has length 966 [2022-10-16 13:55:19,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:55:19,123 INFO L225 Difference]: With dead ends: 32663 [2022-10-16 13:55:19,123 INFO L226 Difference]: Without dead ends: 18162 [2022-10-16 13:55:19,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 962 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:55:19,178 INFO L413 NwaCegarLoop]: 921 mSDtfsCounter, 72 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:55:19,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 3583 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:55:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18162 states. [2022-10-16 13:55:21,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18162 to 14681. [2022-10-16 13:55:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14681 states, 11306 states have (on average 1.242702989563064) internal successors, (14050), 11302 states have internal predecessors, (14050), 2808 states have call successors, (2808), 505 states have call predecessors, (2808), 560 states have return successors, (3072), 2898 states have call predecessors, (3072), 2808 states have call successors, (3072) [2022-10-16 13:55:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14681 states to 14681 states and 19930 transitions. [2022-10-16 13:55:21,087 INFO L78 Accepts]: Start accepts. Automaton has 14681 states and 19930 transitions. Word has length 966 [2022-10-16 13:55:21,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:55:21,088 INFO L495 AbstractCegarLoop]: Abstraction has 14681 states and 19930 transitions. [2022-10-16 13:55:21,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 2 states have call predecessors, (66), 1 states have call successors, (66) [2022-10-16 13:55:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 14681 states and 19930 transitions. [2022-10-16 13:55:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2022-10-16 13:55:21,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:21,100 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:55:21,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-10-16 13:55:21,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:21,302 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:55:21,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:21,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1408157505, now seen corresponding path program 1 times [2022-10-16 13:55:21,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:21,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334964634] [2022-10-16 13:55:21,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:21,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:21,471 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:55:21,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044807933] [2022-10-16 13:55:21,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:21,476 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:55:21,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 13:55:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:23,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 5530 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:55:23,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:55:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2022-10-16 13:55:23,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:55:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2193 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 1977 trivial. 0 not checked. [2022-10-16 13:55:24,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:55:24,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334964634] [2022-10-16 13:55:24,244 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:55:24,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044807933] [2022-10-16 13:55:24,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044807933] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:55:24,245 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:55:24,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-10-16 13:55:24,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850071203] [2022-10-16 13:55:24,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:55:24,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 13:55:24,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:55:24,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 13:55:24,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:55:24,248 INFO L87 Difference]: Start difference. First operand 14681 states and 19930 transitions. Second operand has 12 states, 11 states have (on average 31.454545454545453) internal successors, (346), 12 states have internal predecessors, (346), 11 states have call successors, (107), 1 states have call predecessors, (107), 1 states have return successors, (106), 11 states have call predecessors, (106), 11 states have call successors, (106) [2022-10-16 13:55:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:55:27,269 INFO L93 Difference]: Finished difference Result 20922 states and 29290 transitions. [2022-10-16 13:55:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:55:27,270 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 31.454545454545453) internal successors, (346), 12 states have internal predecessors, (346), 11 states have call successors, (107), 1 states have call predecessors, (107), 1 states have return successors, (106), 11 states have call predecessors, (106), 11 states have call successors, (106) Word has length 845 [2022-10-16 13:55:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:55:27,321 INFO L225 Difference]: With dead ends: 20922 [2022-10-16 13:55:27,321 INFO L226 Difference]: Without dead ends: 20921 [2022-10-16 13:55:27,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1688 GetRequests, 1678 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:55:27,331 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 1018 mSDsluCounter, 3658 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 4619 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:55:27,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1108 Valid, 4619 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 13:55:27,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20921 states. [2022-10-16 13:55:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20921 to 19001. [2022-10-16 13:55:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19001 states, 14690 states have (on average 1.2750170183798502) internal successors, (18730), 14614 states have internal predecessors, (18730), 3744 states have call successors, (3744), 505 states have call predecessors, (3744), 560 states have return successors, (4224), 3906 states have call predecessors, (4224), 3744 states have call successors, (4224) [2022-10-16 13:55:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19001 states to 19001 states and 26698 transitions. [2022-10-16 13:55:29,214 INFO L78 Accepts]: Start accepts. Automaton has 19001 states and 26698 transitions. Word has length 845 [2022-10-16 13:55:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:55:29,215 INFO L495 AbstractCegarLoop]: Abstraction has 19001 states and 26698 transitions. [2022-10-16 13:55:29,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 31.454545454545453) internal successors, (346), 12 states have internal predecessors, (346), 11 states have call successors, (107), 1 states have call predecessors, (107), 1 states have return successors, (106), 11 states have call predecessors, (106), 11 states have call successors, (106) [2022-10-16 13:55:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 19001 states and 26698 transitions. [2022-10-16 13:55:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2022-10-16 13:55:29,232 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:29,232 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 13, 13, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:55:29,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 13:55:29,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 13:55:29,438 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_fs_sysfs_sysfs_remove_groupErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:55:29,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1174828932, now seen corresponding path program 1 times [2022-10-16 13:55:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:29,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123332769] [2022-10-16 13:55:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:29,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:29,555 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:55:29,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551128963] [2022-10-16 13:55:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:29,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:29,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:29,557 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:55:29,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 13:55:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:55:31,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 4643 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 13:55:31,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:55:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 412 proven. 20 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2022-10-16 13:55:31,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:55:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1331 trivial. 0 not checked. [2022-10-16 13:55:32,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:55:32,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123332769] [2022-10-16 13:55:32,424 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-16 13:55:32,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551128963] [2022-10-16 13:55:32,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551128963] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-16 13:55:32,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:55:32,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2022-10-16 13:55:32,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938408259] [2022-10-16 13:55:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:55:32,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:55:32,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:55:32,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:55:32,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:55:32,427 INFO L87 Difference]: Start difference. First operand 19001 states and 26698 transitions. Second operand has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-10-16 13:55:34,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:55:34,843 INFO L93 Difference]: Finished difference Result 21998 states and 30908 transitions. [2022-10-16 13:55:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:55:34,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 697 [2022-10-16 13:55:34,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:55:34,911 INFO L225 Difference]: With dead ends: 21998 [2022-10-16 13:55:34,911 INFO L226 Difference]: Without dead ends: 21997 [2022-10-16 13:55:34,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1387 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:55:34,925 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 1506 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 1431 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 13:55:34,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 1431 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 13:55:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21997 states. [2022-10-16 13:55:37,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21997 to 21964. [2022-10-16 13:55:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21964 states, 16968 states have (on average 1.2743399339933994) internal successors, (21623), 16879 states have internal predecessors, (21623), 4340 states have call successors, (4340), 587 states have call predecessors, (4340), 650 states have return successors, (4900), 4526 states have call predecessors, (4900), 4340 states have call successors, (4900) [2022-10-16 13:55:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21964 states to 21964 states and 30863 transitions. [2022-10-16 13:55:37,277 INFO L78 Accepts]: Start accepts. Automaton has 21964 states and 30863 transitions. Word has length 697 [2022-10-16 13:55:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:55:37,278 INFO L495 AbstractCegarLoop]: Abstraction has 21964 states and 30863 transitions. [2022-10-16 13:55:37,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 4 states have internal predecessors, (271), 3 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-10-16 13:55:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21964 states and 30863 transitions. [2022-10-16 13:55:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-10-16 13:55:37,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:55:37,301 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 15, 15, 15, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:55:37,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-10-16 13:55:37,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 13:55:37,517 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mspro_block_init_cardErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mspro_block_init_cardErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 13:55:37,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:55:37,518 INFO L85 PathProgramCache]: Analyzing trace with hash 323613520, now seen corresponding path program 2 times [2022-10-16 13:55:37,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:55:37,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650132569] [2022-10-16 13:55:37,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:55:37,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:55:37,631 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-16 13:55:37,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778558131] [2022-10-16 13:55:37,632 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 13:55:37,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:55:37,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:55:37,633 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:55:37,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 13:55:39,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 13:55:39,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 13:55:39,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 5140 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 13:55:39,424 INFO L286 TraceCheckSpWp]: Computing forward predicates...