/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--block--virtio_blk.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:27:57,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:27:57,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:27:57,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:27:57,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:27:57,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:27:57,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:27:57,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:27:57,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:27:57,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:27:57,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:27:57,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:27:57,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:27:57,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:27:57,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:27:57,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:27:57,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:27:57,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:27:57,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:27:57,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:27:57,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:27:57,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:27:57,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:27:57,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:27:57,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:27:57,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:27:57,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:27:57,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:27:57,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:27:57,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:27:57,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:27:57,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:27:57,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:27:57,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:27:57,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:27:57,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:27:57,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:27:57,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:27:57,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:27:57,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:27:57,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:27:57,924 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 [2022-10-15 21:27:57,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:27:57,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:27:57,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:27:57,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:27:57,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:27:57,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:27:57,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:27:57,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:27:57,984 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:27:57,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:27:57,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:27:57,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:27:57,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:27:57,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:27:57,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:27:57,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:27:57,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:27:57,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:27:57,987 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:27:57,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:27:57,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:27:57,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:27:57,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:27:57,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:27:57,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:27:57,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:27:57,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:27:57,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:27:57,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:27:57,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:27:57,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:27:57,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:27:57,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:27:57,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:27:58,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:27:58,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:27:58,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:27:58,447 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:27:58,448 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:27:58,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2022-10-15 21:27:58,532 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1216238/0ad5143ed95d47228f5dd30f87f8d7ec/FLAG3005438cc [2022-10-15 21:27:59,750 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:27:59,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2022-10-15 21:27:59,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1216238/0ad5143ed95d47228f5dd30f87f8d7ec/FLAG3005438cc [2022-10-15 21:28:00,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1216238/0ad5143ed95d47228f5dd30f87f8d7ec [2022-10-15 21:28:00,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:28:00,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:28:00,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:28:00,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:28:00,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:28:00,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:28:00" (1/1) ... [2022-10-15 21:28:00,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ef5ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:00, skipping insertion in model container [2022-10-15 21:28:00,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:28:00" (1/1) ... [2022-10-15 21:28:00,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:28:00,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:28:03,409 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--block--virtio_blk.ko.cil.c[304925,304938] [2022-10-15 21:28:03,415 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--block--virtio_blk.ko.cil.c[305499,305512] [2022-10-15 21:28:03,421 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--block--virtio_blk.ko.cil.c[306698,306711] [2022-10-15 21:28:03,425 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--block--virtio_blk.ko.cil.c[307406,307419] [2022-10-15 21:28:03,430 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--block--virtio_blk.ko.cil.c[307847,307860] [2022-10-15 21:28:03,434 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--block--virtio_blk.ko.cil.c[308079,308092] [2022-10-15 21:28:03,438 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--block--virtio_blk.ko.cil.c[308657,308670] [2022-10-15 21:28:03,444 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--block--virtio_blk.ko.cil.c[309247,309260] [2022-10-15 21:28:03,448 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--block--virtio_blk.ko.cil.c[309664,309677] [2022-10-15 21:28:03,453 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--block--virtio_blk.ko.cil.c[310061,310074] [2022-10-15 21:28:03,457 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--block--virtio_blk.ko.cil.c[310296,310309] [2022-10-15 21:28:03,464 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--block--virtio_blk.ko.cil.c[311044,311057] [2022-10-15 21:28:03,469 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--block--virtio_blk.ko.cil.c[311465,311478] [2022-10-15 21:28:03,474 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--block--virtio_blk.ko.cil.c[312092,312105] [2022-10-15 21:28:03,478 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--block--virtio_blk.ko.cil.c[312507,312520] [2022-10-15 21:28:03,482 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--block--virtio_blk.ko.cil.c[313151,313164] [2022-10-15 21:28:03,486 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--block--virtio_blk.ko.cil.c[313881,313894] [2022-10-15 21:28:03,490 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--block--virtio_blk.ko.cil.c[314717,314730] [2022-10-15 21:28:03,496 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--block--virtio_blk.ko.cil.c[316063,316076] [2022-10-15 21:28:03,500 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--block--virtio_blk.ko.cil.c[316461,316474] [2022-10-15 21:28:03,504 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--block--virtio_blk.ko.cil.c[317018,317031] [2022-10-15 21:28:03,508 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--block--virtio_blk.ko.cil.c[317401,317414] [2022-10-15 21:28:03,512 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--block--virtio_blk.ko.cil.c[318017,318030] [2022-10-15 21:28:03,516 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--block--virtio_blk.ko.cil.c[318591,318604] [2022-10-15 21:28:03,519 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--block--virtio_blk.ko.cil.c[319504,319517] [2022-10-15 21:28:03,522 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--block--virtio_blk.ko.cil.c[319895,319908] [2022-10-15 21:28:03,525 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--block--virtio_blk.ko.cil.c[320124,320137] [2022-10-15 21:28:03,529 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--block--virtio_blk.ko.cil.c[320530,320543] [2022-10-15 21:28:03,533 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--block--virtio_blk.ko.cil.c[321387,321400] [2022-10-15 21:28:03,538 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--block--virtio_blk.ko.cil.c[321794,321807] [2022-10-15 21:28:03,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:28:03,567 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:28:03,948 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--block--virtio_blk.ko.cil.c[304925,304938] [2022-10-15 21:28:03,949 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--block--virtio_blk.ko.cil.c[305499,305512] [2022-10-15 21:28:03,950 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--block--virtio_blk.ko.cil.c[306698,306711] [2022-10-15 21:28:03,951 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--block--virtio_blk.ko.cil.c[307406,307419] [2022-10-15 21:28:03,951 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--block--virtio_blk.ko.cil.c[307847,307860] [2022-10-15 21:28:03,952 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--block--virtio_blk.ko.cil.c[308079,308092] [2022-10-15 21:28:03,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[308657,308670] [2022-10-15 21:28:03,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[309247,309260] [2022-10-15 21:28:03,954 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--block--virtio_blk.ko.cil.c[309664,309677] [2022-10-15 21:28:03,954 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--block--virtio_blk.ko.cil.c[310061,310074] [2022-10-15 21:28:03,955 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--block--virtio_blk.ko.cil.c[310296,310309] [2022-10-15 21:28:03,955 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--block--virtio_blk.ko.cil.c[311044,311057] [2022-10-15 21:28:03,956 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--block--virtio_blk.ko.cil.c[311465,311478] [2022-10-15 21:28:03,957 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--block--virtio_blk.ko.cil.c[312092,312105] [2022-10-15 21:28:03,957 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--block--virtio_blk.ko.cil.c[312507,312520] [2022-10-15 21:28:03,958 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--block--virtio_blk.ko.cil.c[313151,313164] [2022-10-15 21:28:03,958 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--block--virtio_blk.ko.cil.c[313881,313894] [2022-10-15 21:28:03,959 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--block--virtio_blk.ko.cil.c[314717,314730] [2022-10-15 21:28:03,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[316063,316076] [2022-10-15 21:28:03,961 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--block--virtio_blk.ko.cil.c[316461,316474] [2022-10-15 21:28:03,961 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--block--virtio_blk.ko.cil.c[317018,317031] [2022-10-15 21:28:03,962 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--block--virtio_blk.ko.cil.c[317401,317414] [2022-10-15 21:28:03,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318017,318030] [2022-10-15 21:28:03,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[318591,318604] [2022-10-15 21:28:03,964 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--block--virtio_blk.ko.cil.c[319504,319517] [2022-10-15 21:28:03,965 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--block--virtio_blk.ko.cil.c[319895,319908] [2022-10-15 21:28:03,970 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--block--virtio_blk.ko.cil.c[320124,320137] [2022-10-15 21:28:03,971 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--block--virtio_blk.ko.cil.c[320530,320543] [2022-10-15 21:28:03,971 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--block--virtio_blk.ko.cil.c[321387,321400] [2022-10-15 21:28:03,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c[321794,321807] [2022-10-15 21:28:03,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:28:04,259 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:28:04,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04 WrapperNode [2022-10-15 21:28:04,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:28:04,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:28:04,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:28:04,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:28:04,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,591 INFO L138 Inliner]: procedures = 580, calls = 1524, calls flagged for inlining = 204, calls inlined = 120, statements flattened = 3040 [2022-10-15 21:28:04,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:28:04,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:28:04,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:28:04,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:28:04,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:28:04,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:28:04,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:28:04,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:28:04,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (1/1) ... [2022-10-15 21:28:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:28:04,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:04,864 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) [2022-10-15 21:28:04,874 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 [2022-10-15 21:28:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-10-15 21:28:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-10-15 21:28:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:28:04,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:28:04,952 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2022-10-15 21:28:04,952 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-15 21:28:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-15 21:28:04,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:28:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:28:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-15 21:28:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:28:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:28:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_del_gendisk [2022-10-15 21:28:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_del_gendisk [2022-10-15 21:28:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:28:04,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:28:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_alignment_offset [2022-10-15 21:28:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-15 21:28:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-15 21:28:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_stop_hw_queues [2022-10-15 21:28:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:28:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:28:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_check_driver_offered_feature [2022-10-15 21:28:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure init_vq [2022-10-15 21:28:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure init_vq [2022-10-15 21:28:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:28:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:28:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_opt [2022-10-15 21:28:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_get_buf [2022-10-15 21:28:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_config_changed [2022-10-15 21:28:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_config_changed [2022-10-15 21:28:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:28:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 21:28:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-10-15 21:28:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:28:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:28:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:28:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:28:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-15 21:28:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-15 21:28:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2022-10-15 21:28:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:28:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure bio_map_kern [2022-10-15 21:28:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:28:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:28:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_get_cache_mode [2022-10-15 21:28:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_get_cache_mode [2022-10-15 21:28:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_disable_cb [2022-10-15 21:28:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:28:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:28:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:28:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:28:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure string_get_size [2022-10-15 21:28:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:28:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-10-15 21:28:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_update_cache_mode [2022-10-15 21:28:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_update_cache_mode [2022-10-15 21:28:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:28:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_is_broken [2022-10-15 21:28:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:28:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-10-15 21:28:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-10-15 21:28:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-15 21:28:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-15 21:28:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-10-15 21:28:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_flush [2022-10-15 21:28:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:28:04,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:28:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_remove [2022-10-15 21:28:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:28:04,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:28:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 21:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-15 21:28:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-15 21:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:28:04,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:28:04,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:28:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-15 21:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2022-10-15 21:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:28:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:28:04,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:28:04,979 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_io_min [2022-10-15 21:28:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:28:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:28:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread8 [2022-10-15 21:28:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread8 [2022-10-15 21:28:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-15 21:28:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:28:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2022-10-15 21:28:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:28:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:28:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:28:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-10-15 21:28:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2022-10-15 21:28:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:28:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:28:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-15 21:28:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-10-15 21:28:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-10-15 21:28:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_cache_type_store [2022-10-15 21:28:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_cache_type_store [2022-10-15 21:28:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2022-10-15 21:28:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-15 21:28:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2022-10-15 21:28:04,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2022-10-15 21:28:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:28:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:28:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:28:04,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:28:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:28:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:28:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:28:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:28:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure virtqueue_enable_cb [2022-10-15 21:28:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:28:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:28:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:28:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:28:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread32 [2022-10-15 21:28:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread32 [2022-10-15 21:28:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:28:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-15 21:28:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-15 21:28:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread16 [2022-10-15 21:28:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread16 [2022-10-15 21:28:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:28:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:28:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_322 [2022-10-15 21:28:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:28:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:28:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:28:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:28:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-15 21:28:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-15 21:28:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-10-15 21:28:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-10-15 21:28:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:28:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:28:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_cread64 [2022-10-15 21:28:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_cread64 [2022-10-15 21:28:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:28:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:28:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:28:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure blk_execute_rq [2022-10-15 21:28:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_block_request__double_get [2022-10-15 21:28:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_block_request__double_get [2022-10-15 21:28:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-10-15 21:28:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-10-15 21:28:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:28:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-15 21:28:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-15 21:28:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:28:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-15 21:28:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure virtio32_to_cpu [2022-10-15 21:28:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio32_to_cpu [2022-10-15 21:28:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-10-15 21:28:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-15 21:28:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-15 21:28:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:28:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:28:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 21:28:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 21:28:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-15 21:28:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_start_stopped_hw_queues [2022-10-15 21:28:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-10-15 21:28:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:28:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:28:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:28:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:28:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-15 21:28:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-15 21:28:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-15 21:28:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-15 21:28:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-15 21:28:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:28:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:28:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:28:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:28:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:28:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_cmd_blk_ioctl [2022-10-15 21:28:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:28:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:28:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:28:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:28:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:28:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-10-15 21:28:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_virtio_blk_vq [2022-10-15 21:28:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-15 21:28:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-15 21:28:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:28:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:28:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure ida_simple_get [2022-10-15 21:28:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-15 21:28:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-15 21:28:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-15 21:28:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-15 21:28:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_virtio_driver [2022-10-15 21:28:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure register_virtio_driver [2022-10-15 21:28:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_disk_ro [2022-10-15 21:28:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 21:28:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 21:28:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-10-15 21:28:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-10-15 21:28:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2022-10-15 21:28:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent_env [2022-10-15 21:28:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:28:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:28:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:28:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:28:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:28:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_end_request [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-10-15 21:28:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:28:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_device_ready [2022-10-15 21:28:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_device_ready [2022-10-15 21:28:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:28:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:28:05,616 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:28:05,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:28:07,914 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:28:07,937 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:28:07,937 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-10-15 21:28:07,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:28:07 BoogieIcfgContainer [2022-10-15 21:28:07,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:28:07,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:28:07,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:28:07,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:28:07,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:28:00" (1/3) ... [2022-10-15 21:28:07,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f62b5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:28:07, skipping insertion in model container [2022-10-15 21:28:07,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:04" (2/3) ... [2022-10-15 21:28:07,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f62b5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:28:07, skipping insertion in model container [2022-10-15 21:28:07,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:28:07" (3/3) ... [2022-10-15 21:28:07,951 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--virtio_blk.ko.cil.c [2022-10-15 21:28:07,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:28:07,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-15 21:28:08,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:28:08,064 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;@a2ed884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:28:08,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-15 21:28:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 1142 states, 780 states have (on average 1.2820512820512822) internal successors, (1000), 828 states have internal predecessors, (1000), 271 states have call successors, (271), 85 states have call predecessors, (271), 85 states have return successors, (271), 268 states have call predecessors, (271), 271 states have call successors, (271) [2022-10-15 21:28:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-15 21:28:08,103 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:08,104 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:08,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting virtblk_cache_type_storeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:08,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:08,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2027639058, now seen corresponding path program 1 times [2022-10-15 21:28:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:08,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570366848] [2022-10-15 21:28:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:28:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:28:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:28:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:28:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:28:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:28:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:28:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:28:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:28:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:28:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 21:28:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-15 21:28:09,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:09,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570366848] [2022-10-15 21:28:09,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570366848] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:09,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:09,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:09,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170425179] [2022-10-15 21:28:09,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:09,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:28:09,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:09,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:28:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:28:09,091 INFO L87 Difference]: Start difference. First operand has 1142 states, 780 states have (on average 1.2820512820512822) internal successors, (1000), 828 states have internal predecessors, (1000), 271 states have call successors, (271), 85 states have call predecessors, (271), 85 states have return successors, (271), 268 states have call predecessors, (271), 271 states have call successors, (271) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-15 21:28:10,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:10,942 INFO L93 Difference]: Finished difference Result 2139 states and 3062 transitions. [2022-10-15 21:28:10,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:10,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2022-10-15 21:28:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:10,967 INFO L225 Difference]: With dead ends: 2139 [2022-10-15 21:28:10,967 INFO L226 Difference]: Without dead ends: 784 [2022-10-15 21:28:10,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:28:10,986 INFO L413 NwaCegarLoop]: 1159 mSDtfsCounter, 1215 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:10,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 2237 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [903 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:28:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-10-15 21:28:11,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 748. [2022-10-15 21:28:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 536 states have (on average 1.251865671641791) internal successors, (671), 561 states have internal predecessors, (671), 154 states have call successors, (154), 42 states have call predecessors, (154), 42 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-15 21:28:11,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 979 transitions. [2022-10-15 21:28:11,166 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 979 transitions. Word has length 152 [2022-10-15 21:28:11,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:11,167 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 979 transitions. [2022-10-15 21:28:11,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-10-15 21:28:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 979 transitions. [2022-10-15 21:28:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-15 21:28:11,182 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:11,183 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:11,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:28:11,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting virtblk_cache_type_storeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash 312259444, now seen corresponding path program 1 times [2022-10-15 21:28:11,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:11,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554708] [2022-10-15 21:28:11,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:28:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:28:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:28:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:28:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:28:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:28:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:28:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:28:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:28:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:28:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 21:28:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-15 21:28:11,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:11,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554708] [2022-10-15 21:28:11,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554708] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:11,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:11,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:11,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176085972] [2022-10-15 21:28:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:11,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:11,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:11,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:11,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:11,845 INFO L87 Difference]: Start difference. First operand 748 states and 979 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:13,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:13,450 INFO L93 Difference]: Finished difference Result 788 states and 1043 transitions. [2022-10-15 21:28:13,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:28:13,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 152 [2022-10-15 21:28:13,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:13,460 INFO L225 Difference]: With dead ends: 788 [2022-10-15 21:28:13,460 INFO L226 Difference]: Without dead ends: 786 [2022-10-15 21:28:13,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:28:13,463 INFO L413 NwaCegarLoop]: 904 mSDtfsCounter, 892 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 2353 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:13,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 2353 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-15 21:28:13,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-10-15 21:28:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 750. [2022-10-15 21:28:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 538 states have (on average 1.2509293680297398) internal successors, (673), 563 states have internal predecessors, (673), 154 states have call successors, (154), 42 states have call predecessors, (154), 42 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-15 21:28:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 981 transitions. [2022-10-15 21:28:13,522 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 981 transitions. Word has length 152 [2022-10-15 21:28:13,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:13,524 INFO L495 AbstractCegarLoop]: Abstraction has 750 states and 981 transitions. [2022-10-15 21:28:13,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 981 transitions. [2022-10-15 21:28:13,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-15 21:28:13,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:13,529 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:13,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:28:13,530 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting virtblk_cache_type_storeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:13,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:13,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1742418677, now seen corresponding path program 1 times [2022-10-15 21:28:13,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:13,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120132657] [2022-10-15 21:28:13,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:13,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:28:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:28:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:28:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:28:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:28:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:28:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:28:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:28:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:28:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:28:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 21:28:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-15 21:28:13,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:14,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120132657] [2022-10-15 21:28:14,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120132657] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:14,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338827436] [2022-10-15 21:28:14,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:14,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:14,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:14,003 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) [2022-10-15 21:28:14,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:28:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:14,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 1393 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:14,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-15 21:28:14,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:14,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338827436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:14,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:28:14,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-15 21:28:14,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977373681] [2022-10-15 21:28:14,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:14,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:14,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:14,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:14,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:14,581 INFO L87 Difference]: Start difference. First operand 750 states and 981 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:14,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:14,645 INFO L93 Difference]: Finished difference Result 750 states and 981 transitions. [2022-10-15 21:28:14,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:14,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2022-10-15 21:28:14,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:14,652 INFO L225 Difference]: With dead ends: 750 [2022-10-15 21:28:14,652 INFO L226 Difference]: Without dead ends: 749 [2022-10-15 21:28:14,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:14,654 INFO L413 NwaCegarLoop]: 971 mSDtfsCounter, 22 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:14,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1931 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:14,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2022-10-15 21:28:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 749. [2022-10-15 21:28:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 538 states have (on average 1.2490706319702602) internal successors, (672), 562 states have internal predecessors, (672), 154 states have call successors, (154), 42 states have call predecessors, (154), 42 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2022-10-15 21:28:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 980 transitions. [2022-10-15 21:28:14,702 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 980 transitions. Word has length 157 [2022-10-15 21:28:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:14,703 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 980 transitions. [2022-10-15 21:28:14,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 980 transitions. [2022-10-15 21:28:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-15 21:28:14,707 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:14,708 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-15 21:28:14,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:14,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:14,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting virtblk_cache_type_storeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:14,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1819596702, now seen corresponding path program 1 times [2022-10-15 21:28:14,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:14,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698811838] [2022-10-15 21:28:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:28:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:28:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:28:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:28:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:28:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:28:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 21:28:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-15 21:28:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-10-15 21:28:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 21:28:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 21:28:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-10-15 21:28:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:15,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698811838] [2022-10-15 21:28:15,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698811838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:15,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:15,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:15,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667414569] [2022-10-15 21:28:15,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:15,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:15,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:15,303 INFO L87 Difference]: Start difference. First operand 749 states and 980 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:17,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:17,035 INFO L93 Difference]: Finished difference Result 975 states and 1284 transitions. [2022-10-15 21:28:17,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:28:17,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2022-10-15 21:28:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:17,045 INFO L225 Difference]: With dead ends: 975 [2022-10-15 21:28:17,046 INFO L226 Difference]: Without dead ends: 640 [2022-10-15 21:28:17,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:17,050 INFO L413 NwaCegarLoop]: 910 mSDtfsCounter, 876 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 679 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:17,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 2359 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [679 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-15 21:28:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-10-15 21:28:17,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 606. [2022-10-15 21:28:17,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 442 states have (on average 1.255656108597285) internal successors, (555), 460 states have internal predecessors, (555), 113 states have call successors, (113), 37 states have call predecessors, (113), 37 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2022-10-15 21:28:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 781 transitions. [2022-10-15 21:28:17,088 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 781 transitions. Word has length 158 [2022-10-15 21:28:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:17,089 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 781 transitions. [2022-10-15 21:28:17,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-10-15 21:28:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 781 transitions. [2022-10-15 21:28:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-15 21:28:17,092 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:17,093 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:17,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:28:17,093 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting virtio_cread64Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1962705290, now seen corresponding path program 1 times [2022-10-15 21:28:17,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:17,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700123267] [2022-10-15 21:28:17,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:17,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:17,174 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:17,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942116898] [2022-10-15 21:28:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:17,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:17,176 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) [2022-10-15 21:28:17,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:28:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:17,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:28:17,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-15 21:28:17,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:17,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:17,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700123267] [2022-10-15 21:28:17,689 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:17,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942116898] [2022-10-15 21:28:17,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942116898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:17,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:17,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:28:17,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721249471] [2022-10-15 21:28:17,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:17,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:28:17,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:28:17,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:17,694 INFO L87 Difference]: Start difference. First operand 606 states and 781 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:28:17,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:17,757 INFO L93 Difference]: Finished difference Result 626 states and 810 transitions. [2022-10-15 21:28:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:28:17,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 176 [2022-10-15 21:28:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:17,763 INFO L225 Difference]: With dead ends: 626 [2022-10-15 21:28:17,763 INFO L226 Difference]: Without dead ends: 625 [2022-10-15 21:28:17,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:17,765 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 15 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1552 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:17,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1552 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:17,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2022-10-15 21:28:17,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 611. [2022-10-15 21:28:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 446 states have (on average 1.2556053811659194) internal successors, (560), 464 states have internal predecessors, (560), 114 states have call successors, (114), 37 states have call predecessors, (114), 37 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2022-10-15 21:28:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 788 transitions. [2022-10-15 21:28:17,801 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 788 transitions. Word has length 176 [2022-10-15 21:28:17,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:17,802 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 788 transitions. [2022-10-15 21:28:17,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:28:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 788 transitions. [2022-10-15 21:28:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-15 21:28:17,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:17,806 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:28:17,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:18,020 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 [2022-10-15 21:28:18,021 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting virtio_cread64Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:18,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:18,022 INFO L85 PathProgramCache]: Analyzing trace with hash 714322411, now seen corresponding path program 1 times [2022-10-15 21:28:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:18,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316070780] [2022-10-15 21:28:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:18,097 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:18,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420852436] [2022-10-15 21:28:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:18,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:18,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:18,098 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) [2022-10-15 21:28:18,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:28:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:28:18,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-15 21:28:18,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:18,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:18,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316070780] [2022-10-15 21:28:18,727 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:18,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420852436] [2022-10-15 21:28:18,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420852436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:18,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:18,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:28:18,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817519276] [2022-10-15 21:28:18,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:18,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:28:18,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:18,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:28:18,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:18,730 INFO L87 Difference]: Start difference. First operand 611 states and 788 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:28:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:18,782 INFO L93 Difference]: Finished difference Result 612 states and 789 transitions. [2022-10-15 21:28:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:28:18,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-10-15 21:28:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:18,788 INFO L225 Difference]: With dead ends: 612 [2022-10-15 21:28:18,788 INFO L226 Difference]: Without dead ends: 611 [2022-10-15 21:28:18,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:18,794 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 14 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:18,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1531 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:18,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-10-15 21:28:18,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 610. [2022-10-15 21:28:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 446 states have (on average 1.2533632286995515) internal successors, (559), 463 states have internal predecessors, (559), 114 states have call successors, (114), 37 states have call predecessors, (114), 37 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2022-10-15 21:28:18,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 787 transitions. [2022-10-15 21:28:18,837 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 787 transitions. Word has length 177 [2022-10-15 21:28:18,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:18,841 INFO L495 AbstractCegarLoop]: Abstraction has 610 states and 787 transitions. [2022-10-15 21:28:18,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-10-15 21:28:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 787 transitions. [2022-10-15 21:28:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-10-15 21:28:18,846 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:18,846 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-10-15 21:28:18,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:19,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:19,060 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting virtio_cread64Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1632357661, now seen corresponding path program 1 times [2022-10-15 21:28:19,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:19,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299937966] [2022-10-15 21:28:19,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:19,141 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:19,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303938144] [2022-10-15 21:28:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:19,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:19,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:19,143 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) [2022-10-15 21:28:19,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:28:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:19,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:19,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-10-15 21:28:19,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:28:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-10-15 21:28:19,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:19,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299937966] [2022-10-15 21:28:19,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:19,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303938144] [2022-10-15 21:28:19,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303938144] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:28:19,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:28:19,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-10-15 21:28:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548017615] [2022-10-15 21:28:19,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-15 21:28:19,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:19,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:19,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:19,891 INFO L87 Difference]: Start difference. First operand 610 states and 787 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-10-15 21:28:19,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:19,990 INFO L93 Difference]: Finished difference Result 681 states and 890 transitions. [2022-10-15 21:28:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:19,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 185 [2022-10-15 21:28:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:19,995 INFO L225 Difference]: With dead ends: 681 [2022-10-15 21:28:19,996 INFO L226 Difference]: Without dead ends: 680 [2022-10-15 21:28:19,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:19,997 INFO L413 NwaCegarLoop]: 789 mSDtfsCounter, 84 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2361 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:19,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 2361 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:19,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-10-15 21:28:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 628. [2022-10-15 21:28:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 461 states have (on average 1.2516268980477223) internal successors, (577), 478 states have internal predecessors, (577), 117 states have call successors, (117), 37 states have call predecessors, (117), 37 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2022-10-15 21:28:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 811 transitions. [2022-10-15 21:28:20,035 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 811 transitions. Word has length 185 [2022-10-15 21:28:20,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:20,036 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 811 transitions. [2022-10-15 21:28:20,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-10-15 21:28:20,036 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 811 transitions. [2022-10-15 21:28:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-10-15 21:28:20,043 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:20,044 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:28:20,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-15 21:28:20,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:20,258 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:20,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1661230943, now seen corresponding path program 1 times [2022-10-15 21:28:20,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:20,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930172795] [2022-10-15 21:28:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:20,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:28:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:28:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:28:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 21:28:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 21:28:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-15 21:28:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:28:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 21:28:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-15 21:28:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-15 21:28:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-10-15 21:28:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-10-15 21:28:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:20,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930172795] [2022-10-15 21:28:20,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930172795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:20,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:20,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:28:20,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757143472] [2022-10-15 21:28:20,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:20,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:20,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:28:20,993 INFO L87 Difference]: Start difference. First operand 628 states and 811 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-15 21:28:21,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:21,574 INFO L93 Difference]: Finished difference Result 1294 states and 1691 transitions. [2022-10-15 21:28:21,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:21,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 327 [2022-10-15 21:28:21,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:21,581 INFO L225 Difference]: With dead ends: 1294 [2022-10-15 21:28:21,581 INFO L226 Difference]: Without dead ends: 699 [2022-10-15 21:28:21,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:28:21,585 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 211 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:21,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1839 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:28:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-10-15 21:28:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 629. [2022-10-15 21:28:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 462 states have (on average 1.251082251082251) internal successors, (578), 479 states have internal predecessors, (578), 117 states have call successors, (117), 37 states have call predecessors, (117), 37 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2022-10-15 21:28:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 812 transitions. [2022-10-15 21:28:21,626 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 812 transitions. Word has length 327 [2022-10-15 21:28:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:21,627 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 812 transitions. [2022-10-15 21:28:21,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-10-15 21:28:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 812 transitions. [2022-10-15 21:28:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-15 21:28:21,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:21,634 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:21,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 21:28:21,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:21,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1610397623, now seen corresponding path program 1 times [2022-10-15 21:28:21,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:21,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162031323] [2022-10-15 21:28:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:21,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:28:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:28:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:28:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 21:28:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 21:28:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-15 21:28:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 21:28:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:28:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 21:28:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:28:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 21:28:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 21:28:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 21:28:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-10-15 21:28:22,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:22,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162031323] [2022-10-15 21:28:22,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162031323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:22,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:22,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:28:22,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119899165] [2022-10-15 21:28:22,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:22,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:22,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:22,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:22,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:28:22,288 INFO L87 Difference]: Start difference. First operand 629 states and 812 transitions. Second operand has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:28:22,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:22,871 INFO L93 Difference]: Finished difference Result 685 states and 893 transitions. [2022-10-15 21:28:22,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:22,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 303 [2022-10-15 21:28:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:22,877 INFO L225 Difference]: With dead ends: 685 [2022-10-15 21:28:22,878 INFO L226 Difference]: Without dead ends: 681 [2022-10-15 21:28:22,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:28:22,879 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 184 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:22,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1720 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 21:28:22,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-10-15 21:28:22,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 638. [2022-10-15 21:28:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 471 states have (on average 1.2505307855626326) internal successors, (589), 488 states have internal predecessors, (589), 117 states have call successors, (117), 37 states have call predecessors, (117), 37 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2022-10-15 21:28:22,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 823 transitions. [2022-10-15 21:28:22,917 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 823 transitions. Word has length 303 [2022-10-15 21:28:22,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:22,918 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 823 transitions. [2022-10-15 21:28:22,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:28:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 823 transitions. [2022-10-15 21:28:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-10-15 21:28:22,923 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:22,923 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:28:22,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 21:28:22,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1724130071, now seen corresponding path program 1 times [2022-10-15 21:28:22,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:22,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213380336] [2022-10-15 21:28:22,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:28:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:28:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:28:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 21:28:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 21:28:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-10-15 21:28:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:28:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-10-15 21:28:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-10-15 21:28:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-15 21:28:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-10-15 21:28:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-10-15 21:28:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:23,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213380336] [2022-10-15 21:28:23,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213380336] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:23,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951955905] [2022-10-15 21:28:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:23,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:23,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:23,826 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) [2022-10-15 21:28:23,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:28:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:24,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:24,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:24,443 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-10-15 21:28:24,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:28:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-10-15 21:28:24,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951955905] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:28:24,645 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:28:24,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:28:24,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529158511] [2022-10-15 21:28:24,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:28:24,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:28:24,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:24,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:28:24,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:24,648 INFO L87 Difference]: Start difference. First operand 638 states and 823 transitions. Second operand has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-10-15 21:28:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:25,596 INFO L93 Difference]: Finished difference Result 716 states and 940 transitions. [2022-10-15 21:28:25,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:28:25,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 331 [2022-10-15 21:28:25,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:25,607 INFO L225 Difference]: With dead ends: 716 [2022-10-15 21:28:25,608 INFO L226 Difference]: Without dead ends: 714 [2022-10-15 21:28:25,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:25,609 INFO L413 NwaCegarLoop]: 742 mSDtfsCounter, 229 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:25,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 3452 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:28:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-10-15 21:28:25,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 636. [2022-10-15 21:28:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 471 states have (on average 1.246284501061571) internal successors, (587), 486 states have internal predecessors, (587), 117 states have call successors, (117), 37 states have call predecessors, (117), 37 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2022-10-15 21:28:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 821 transitions. [2022-10-15 21:28:25,656 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 821 transitions. Word has length 331 [2022-10-15 21:28:25,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:25,658 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 821 transitions. [2022-10-15 21:28:25,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 1 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-10-15 21:28:25,659 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 821 transitions. [2022-10-15 21:28:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-10-15 21:28:25,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:25,662 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:28:25,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:25,878 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,SelfDestructingSolverStorable9 [2022-10-15 21:28:25,879 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:25,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash -726283062, now seen corresponding path program 1 times [2022-10-15 21:28:25,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:25,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273429910] [2022-10-15 21:28:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 21:28:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-15 21:28:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-15 21:28:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:28:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:28:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 21:28:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-15 21:28:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-15 21:28:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 21:28:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 21:28:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-10-15 21:28:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 21:28:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 21:28:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 21:28:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 21:28:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 21:28:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:28:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-10-15 21:28:26,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:26,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273429910] [2022-10-15 21:28:26,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273429910] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:26,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731616912] [2022-10-15 21:28:26,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:26,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:26,624 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) [2022-10-15 21:28:26,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:28:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:27,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:27,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-10-15 21:28:27,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:27,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731616912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:27,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:28:27,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:28:27,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791778697] [2022-10-15 21:28:27,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:27,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:27,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:27,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:27,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:27,394 INFO L87 Difference]: Start difference. First operand 636 states and 821 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:28:27,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:27,487 INFO L93 Difference]: Finished difference Result 651 states and 841 transitions. [2022-10-15 21:28:27,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:27,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 308 [2022-10-15 21:28:27,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:27,495 INFO L225 Difference]: With dead ends: 651 [2022-10-15 21:28:27,495 INFO L226 Difference]: Without dead ends: 649 [2022-10-15 21:28:27,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:27,497 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 30 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:27,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1557 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:28:27,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-10-15 21:28:27,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 625. [2022-10-15 21:28:27,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 462 states have (on average 1.2424242424242424) internal successors, (574), 475 states have internal predecessors, (574), 117 states have call successors, (117), 37 states have call predecessors, (117), 37 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2022-10-15 21:28:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 808 transitions. [2022-10-15 21:28:27,538 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 808 transitions. Word has length 308 [2022-10-15 21:28:27,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:27,539 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 808 transitions. [2022-10-15 21:28:27,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:28:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 808 transitions. [2022-10-15 21:28:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-10-15 21:28:27,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:27,543 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:27,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:27,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:27,758 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting virtio_cread64Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:27,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:27,759 INFO L85 PathProgramCache]: Analyzing trace with hash -99442230, now seen corresponding path program 2 times [2022-10-15 21:28:27,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:27,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577703221] [2022-10-15 21:28:27,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:27,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:27,826 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:27,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178983718] [2022-10-15 21:28:27,827 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:28:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:27,828 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) [2022-10-15 21:28:27,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 21:28:28,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 21:28:28,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:28:28,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 1891 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:28:28,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-10-15 21:28:28,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:28:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-10-15 21:28:28,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577703221] [2022-10-15 21:28:28,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178983718] [2022-10-15 21:28:28,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178983718] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:28:28,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-15 21:28:28,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2022-10-15 21:28:28,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320558262] [2022-10-15 21:28:28,769 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-15 21:28:28,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:28:28,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:28,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:28:28,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:28,772 INFO L87 Difference]: Start difference. First operand 625 states and 808 transitions. Second operand has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2022-10-15 21:28:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:28,981 INFO L93 Difference]: Finished difference Result 792 states and 1052 transitions. [2022-10-15 21:28:28,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:28:28,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 212 [2022-10-15 21:28:28,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:28,988 INFO L225 Difference]: With dead ends: 792 [2022-10-15 21:28:28,988 INFO L226 Difference]: Without dead ends: 791 [2022-10-15 21:28:28,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:28,990 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 322 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:28,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 2451 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:28:28,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2022-10-15 21:28:29,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 661. [2022-10-15 21:28:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 492 states have (on average 1.2398373983739837) internal successors, (610), 505 states have internal predecessors, (610), 123 states have call successors, (123), 37 states have call predecessors, (123), 37 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2022-10-15 21:28:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 856 transitions. [2022-10-15 21:28:29,049 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 856 transitions. Word has length 212 [2022-10-15 21:28:29,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:29,050 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 856 transitions. [2022-10-15 21:28:29,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.636363636363637) internal successors, (106), 12 states have internal predecessors, (106), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2022-10-15 21:28:29,050 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 856 transitions. [2022-10-15 21:28:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-10-15 21:28:29,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:29,054 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:28:29,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:29,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:29,271 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:29,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:29,272 INFO L85 PathProgramCache]: Analyzing trace with hash -216068454, now seen corresponding path program 1 times [2022-10-15 21:28:29,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:29,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559342027] [2022-10-15 21:28:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:29,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:29,378 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:29,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785817310] [2022-10-15 21:28:29,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:29,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:29,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:29,380 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) [2022-10-15 21:28:29,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 21:28:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:30,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 21:28:30,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2022-10-15 21:28:30,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559342027] [2022-10-15 21:28:30,082 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:30,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785817310] [2022-10-15 21:28:30,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785817310] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:30,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:30,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:28:30,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115317466] [2022-10-15 21:28:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:30,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:30,085 INFO L87 Difference]: Start difference. First operand 661 states and 856 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-10-15 21:28:30,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:30,322 INFO L93 Difference]: Finished difference Result 1372 states and 1784 transitions. [2022-10-15 21:28:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:30,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 265 [2022-10-15 21:28:30,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:30,330 INFO L225 Difference]: With dead ends: 1372 [2022-10-15 21:28:30,330 INFO L226 Difference]: Without dead ends: 744 [2022-10-15 21:28:30,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:28:30,334 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 71 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:30,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 4233 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:28:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2022-10-15 21:28:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 666. [2022-10-15 21:28:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 496 states have (on average 1.2379032258064515) internal successors, (614), 509 states have internal predecessors, (614), 123 states have call successors, (123), 37 states have call predecessors, (123), 38 states have return successors, (125), 123 states have call predecessors, (125), 123 states have call successors, (125) [2022-10-15 21:28:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 862 transitions. [2022-10-15 21:28:30,375 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 862 transitions. Word has length 265 [2022-10-15 21:28:30,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:30,376 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 862 transitions. [2022-10-15 21:28:30,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 5 states have internal predecessors, (107), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2022-10-15 21:28:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 862 transitions. [2022-10-15 21:28:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-10-15 21:28:30,380 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:30,380 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 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, 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] [2022-10-15 21:28:30,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:30,595 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,SelfDestructingSolverStorable12 [2022-10-15 21:28:30,596 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:30,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:30,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1178317851, now seen corresponding path program 1 times [2022-10-15 21:28:30,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:30,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998719175] [2022-10-15 21:28:30,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:30,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:30,706 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:30,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284372008] [2022-10-15 21:28:30,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:30,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:30,708 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) [2022-10-15 21:28:30,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 21:28:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:31,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:31,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-15 21:28:31,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:31,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998719175] [2022-10-15 21:28:31,413 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:31,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284372008] [2022-10-15 21:28:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284372008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:31,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:28:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925485495] [2022-10-15 21:28:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:31,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:28:31,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:28:31,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:31,416 INFO L87 Difference]: Start difference. First operand 666 states and 862 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-15 21:28:31,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:31,470 INFO L93 Difference]: Finished difference Result 1323 states and 1718 transitions. [2022-10-15 21:28:31,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:28:31,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 299 [2022-10-15 21:28:31,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:31,477 INFO L225 Difference]: With dead ends: 1323 [2022-10-15 21:28:31,477 INFO L226 Difference]: Without dead ends: 690 [2022-10-15 21:28:31,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:31,481 INFO L413 NwaCegarLoop]: 793 mSDtfsCounter, 17 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:31,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1562 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:31,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-10-15 21:28:31,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 682. [2022-10-15 21:28:31,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 508 states have (on average 1.2401574803149606) internal successors, (630), 521 states have internal predecessors, (630), 127 states have call successors, (127), 37 states have call predecessors, (127), 38 states have return successors, (129), 127 states have call predecessors, (129), 127 states have call successors, (129) [2022-10-15 21:28:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 886 transitions. [2022-10-15 21:28:31,543 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 886 transitions. Word has length 299 [2022-10-15 21:28:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:31,543 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 886 transitions. [2022-10-15 21:28:31,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-15 21:28:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 886 transitions. [2022-10-15 21:28:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-10-15 21:28:31,552 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:31,552 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 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, 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] [2022-10-15 21:28:31,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-15 21:28:31,767 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,SelfDestructingSolverStorable13 [2022-10-15 21:28:31,768 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:31,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:31,769 INFO L85 PathProgramCache]: Analyzing trace with hash 754671129, now seen corresponding path program 1 times [2022-10-15 21:28:31,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:31,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760380275] [2022-10-15 21:28:31,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:31,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:31,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:31,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329699640] [2022-10-15 21:28:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:31,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:31,884 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) [2022-10-15 21:28:31,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-15 21:28:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:32,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:28:32,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-15 21:28:32,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:32,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:32,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760380275] [2022-10-15 21:28:32,589 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:32,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329699640] [2022-10-15 21:28:32,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329699640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:32,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:32,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:28:32,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859418729] [2022-10-15 21:28:32,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:32,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:28:32,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:32,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:28:32,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:28:32,591 INFO L87 Difference]: Start difference. First operand 682 states and 886 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-15 21:28:32,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:32,817 INFO L93 Difference]: Finished difference Result 1456 states and 1910 transitions. [2022-10-15 21:28:32,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:28:32,818 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) Word has length 299 [2022-10-15 21:28:32,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:32,829 INFO L225 Difference]: With dead ends: 1456 [2022-10-15 21:28:32,830 INFO L226 Difference]: Without dead ends: 807 [2022-10-15 21:28:32,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-15 21:28:32,836 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 127 mSDsluCounter, 4228 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 5102 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:32,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 5102 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:28:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2022-10-15 21:28:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 699. [2022-10-15 21:28:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 521 states have (on average 1.2418426103646834) internal successors, (647), 534 states have internal predecessors, (647), 131 states have call successors, (131), 37 states have call predecessors, (131), 38 states have return successors, (133), 131 states have call predecessors, (133), 131 states have call successors, (133) [2022-10-15 21:28:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 911 transitions. [2022-10-15 21:28:32,892 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 911 transitions. Word has length 299 [2022-10-15 21:28:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:32,893 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 911 transitions. [2022-10-15 21:28:32,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2022-10-15 21:28:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 911 transitions. [2022-10-15 21:28:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-10-15 21:28:32,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:32,898 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:28:32,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:33,112 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,SelfDestructingSolverStorable14 [2022-10-15 21:28:33,112 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:33,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash -2089151395, now seen corresponding path program 1 times [2022-10-15 21:28:33,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:33,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221664352] [2022-10-15 21:28:33,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:33,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:33,223 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:33,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796788599] [2022-10-15 21:28:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:33,224 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) [2022-10-15 21:28:33,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-15 21:28:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:34,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2557 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-15 21:28:34,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 592 trivial. 0 not checked. [2022-10-15 21:28:34,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:34,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:34,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221664352] [2022-10-15 21:28:34,074 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:34,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796788599] [2022-10-15 21:28:34,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796788599] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:34,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:34,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:28:34,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079494600] [2022-10-15 21:28:34,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:34,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:34,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:34,078 INFO L87 Difference]: Start difference. First operand 699 states and 911 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-15 21:28:34,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:34,289 INFO L93 Difference]: Finished difference Result 1460 states and 1914 transitions. [2022-10-15 21:28:34,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:34,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 371 [2022-10-15 21:28:34,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:34,296 INFO L225 Difference]: With dead ends: 1460 [2022-10-15 21:28:34,296 INFO L226 Difference]: Without dead ends: 794 [2022-10-15 21:28:34,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:28:34,300 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 109 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 4215 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:34,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 4215 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:28:34,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2022-10-15 21:28:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 684. [2022-10-15 21:28:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 510 states have (on average 1.2392156862745098) internal successors, (632), 523 states have internal predecessors, (632), 127 states have call successors, (127), 37 states have call predecessors, (127), 38 states have return successors, (129), 127 states have call predecessors, (129), 127 states have call successors, (129) [2022-10-15 21:28:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 888 transitions. [2022-10-15 21:28:34,346 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 888 transitions. Word has length 371 [2022-10-15 21:28:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:34,347 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 888 transitions. [2022-10-15 21:28:34,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 5 states have internal predecessors, (120), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-15 21:28:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 888 transitions. [2022-10-15 21:28:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-15 21:28:34,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:34,352 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:34,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:34,566 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,SelfDestructingSolverStorable15 [2022-10-15 21:28:34,567 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:34,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:34,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1367693173, now seen corresponding path program 1 times [2022-10-15 21:28:34,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:34,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538077764] [2022-10-15 21:28:34,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:34,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:34,691 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:34,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687094568] [2022-10-15 21:28:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:34,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:34,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:34,693 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) [2022-10-15 21:28:34,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-15 21:28:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:35,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-15 21:28:35,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2022-10-15 21:28:35,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:35,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:35,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538077764] [2022-10-15 21:28:35,648 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:35,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687094568] [2022-10-15 21:28:35,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687094568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:35,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:35,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:35,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467338661] [2022-10-15 21:28:35,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:35,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:35,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:35,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:35,650 INFO L87 Difference]: Start difference. First operand 684 states and 888 transitions. Second operand has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-10-15 21:28:36,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:36,342 INFO L93 Difference]: Finished difference Result 1335 states and 1747 transitions. [2022-10-15 21:28:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:36,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 328 [2022-10-15 21:28:36,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:36,348 INFO L225 Difference]: With dead ends: 1335 [2022-10-15 21:28:36,348 INFO L226 Difference]: Without dead ends: 684 [2022-10-15 21:28:36,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:36,353 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 706 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 2394 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:36,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 2394 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:28:36,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-10-15 21:28:36,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2022-10-15 21:28:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 510 states have (on average 1.2372549019607844) internal successors, (631), 523 states have internal predecessors, (631), 127 states have call successors, (127), 37 states have call predecessors, (127), 38 states have return successors, (129), 127 states have call predecessors, (129), 127 states have call successors, (129) [2022-10-15 21:28:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 887 transitions. [2022-10-15 21:28:36,414 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 887 transitions. Word has length 328 [2022-10-15 21:28:36,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:36,415 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 887 transitions. [2022-10-15 21:28:36,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.833333333333332) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-10-15 21:28:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 887 transitions. [2022-10-15 21:28:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-10-15 21:28:36,421 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:36,421 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:36,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:36,635 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,SelfDestructingSolverStorable16 [2022-10-15 21:28:36,635 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:36,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash 721943795, now seen corresponding path program 1 times [2022-10-15 21:28:36,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:36,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082296018] [2022-10-15 21:28:36,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:36,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:36,765 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:36,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547312585] [2022-10-15 21:28:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:36,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:36,768 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) [2022-10-15 21:28:36,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-15 21:28:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:37,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 2458 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-15 21:28:37,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-10-15 21:28:38,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:38,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082296018] [2022-10-15 21:28:38,133 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547312585] [2022-10-15 21:28:38,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547312585] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:38,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:38,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:38,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244365687] [2022-10-15 21:28:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:38,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:28:38,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:38,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:28:38,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:38,136 INFO L87 Difference]: Start difference. First operand 684 states and 887 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-15 21:28:38,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:38,913 INFO L93 Difference]: Finished difference Result 1927 states and 2495 transitions. [2022-10-15 21:28:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:38,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 328 [2022-10-15 21:28:38,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:38,923 INFO L225 Difference]: With dead ends: 1927 [2022-10-15 21:28:38,924 INFO L226 Difference]: Without dead ends: 1276 [2022-10-15 21:28:38,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:38,928 INFO L413 NwaCegarLoop]: 953 mSDtfsCounter, 510 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 2968 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:38,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 2968 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:28:38,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2022-10-15 21:28:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 1175. [2022-10-15 21:28:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 881 states have (on average 1.2190692395005676) internal successors, (1074), 898 states have internal predecessors, (1074), 213 states have call successors, (213), 69 states have call predecessors, (213), 72 states have return successors, (219), 214 states have call predecessors, (219), 213 states have call successors, (219) [2022-10-15 21:28:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1506 transitions. [2022-10-15 21:28:39,028 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1506 transitions. Word has length 328 [2022-10-15 21:28:39,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:39,028 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1506 transitions. [2022-10-15 21:28:39,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-10-15 21:28:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1506 transitions. [2022-10-15 21:28:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-10-15 21:28:39,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:39,034 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:39,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:39,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-15 21:28:39,248 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:39,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:39,248 INFO L85 PathProgramCache]: Analyzing trace with hash -148497561, now seen corresponding path program 1 times [2022-10-15 21:28:39,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:39,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819804637] [2022-10-15 21:28:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:39,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:39,359 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:39,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399959555] [2022-10-15 21:28:39,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:39,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:39,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:39,361 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) [2022-10-15 21:28:39,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-15 21:28:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:40,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 2526 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:40,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-10-15 21:28:40,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:40,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:40,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819804637] [2022-10-15 21:28:40,244 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:40,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399959555] [2022-10-15 21:28:40,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399959555] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:40,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:40,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:28:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852536446] [2022-10-15 21:28:40,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:40,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:28:40,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:40,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:28:40,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:40,247 INFO L87 Difference]: Start difference. First operand 1175 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-10-15 21:28:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:40,342 INFO L93 Difference]: Finished difference Result 2030 states and 2638 transitions. [2022-10-15 21:28:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:28:40,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 345 [2022-10-15 21:28:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:40,353 INFO L225 Difference]: With dead ends: 2030 [2022-10-15 21:28:40,353 INFO L226 Difference]: Without dead ends: 1379 [2022-10-15 21:28:40,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:40,357 INFO L413 NwaCegarLoop]: 975 mSDtfsCounter, 203 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1770 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 [2022-10-15 21:28:40,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1770 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:40,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2022-10-15 21:28:40,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1176. [2022-10-15 21:28:40,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 882 states have (on average 1.2188208616780045) internal successors, (1075), 899 states have internal predecessors, (1075), 213 states have call successors, (213), 69 states have call predecessors, (213), 72 states have return successors, (219), 214 states have call predecessors, (219), 213 states have call successors, (219) [2022-10-15 21:28:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1507 transitions. [2022-10-15 21:28:40,456 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1507 transitions. Word has length 345 [2022-10-15 21:28:40,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:40,457 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1507 transitions. [2022-10-15 21:28:40,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-10-15 21:28:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1507 transitions. [2022-10-15 21:28:40,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-10-15 21:28:40,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:40,463 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:40,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:40,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:40,678 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:40,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2142642267, now seen corresponding path program 1 times [2022-10-15 21:28:40,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:40,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266510644] [2022-10-15 21:28:40,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:40,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:40,792 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:40,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831649213] [2022-10-15 21:28:40,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:40,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:40,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:40,795 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) [2022-10-15 21:28:40,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-15 21:28:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:41,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 2525 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-15 21:28:41,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-10-15 21:28:41,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:41,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266510644] [2022-10-15 21:28:41,876 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:41,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831649213] [2022-10-15 21:28:41,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831649213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:41,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:41,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-15 21:28:41,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31046080] [2022-10-15 21:28:41,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:41,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:28:41,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:41,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:28:41,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:41,883 INFO L87 Difference]: Start difference. First operand 1176 states and 1507 transitions. Second operand has 8 states, 8 states have (on average 18.375) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-15 21:28:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:43,205 INFO L93 Difference]: Finished difference Result 2394 states and 3082 transitions. [2022-10-15 21:28:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:28:43,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 345 [2022-10-15 21:28:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:43,214 INFO L225 Difference]: With dead ends: 2394 [2022-10-15 21:28:43,214 INFO L226 Difference]: Without dead ends: 1251 [2022-10-15 21:28:43,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:43,220 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 511 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:43,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 5236 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1067 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-15 21:28:43,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-10-15 21:28:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1181. [2022-10-15 21:28:43,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 886 states have (on average 1.2178329571106095) internal successors, (1079), 902 states have internal predecessors, (1079), 213 states have call successors, (213), 69 states have call predecessors, (213), 73 states have return successors, (228), 216 states have call predecessors, (228), 213 states have call successors, (228) [2022-10-15 21:28:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1520 transitions. [2022-10-15 21:28:43,313 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1520 transitions. Word has length 345 [2022-10-15 21:28:43,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:43,314 INFO L495 AbstractCegarLoop]: Abstraction has 1181 states and 1520 transitions. [2022-10-15 21:28:43,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.375) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-10-15 21:28:43,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1520 transitions. [2022-10-15 21:28:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-10-15 21:28:43,320 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:43,320 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:43,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:43,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:43,536 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:43,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1681956171, now seen corresponding path program 1 times [2022-10-15 21:28:43,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:43,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996741560] [2022-10-15 21:28:43,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:43,649 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:43,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711107594] [2022-10-15 21:28:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:43,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:43,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:43,651 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) [2022-10-15 21:28:43,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-15 21:28:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:44,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 2681 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-15 21:28:44,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 786 trivial. 0 not checked. [2022-10-15 21:28:45,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:45,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:45,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996741560] [2022-10-15 21:28:45,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-15 21:28:45,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711107594] [2022-10-15 21:28:45,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711107594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:45,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:45,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:28:45,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168640514] [2022-10-15 21:28:45,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:45,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:28:45,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:45,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:28:45,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:28:45,222 INFO L87 Difference]: Start difference. First operand 1181 states and 1520 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-15 21:28:46,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:46,619 INFO L93 Difference]: Finished difference Result 1936 states and 2510 transitions. [2022-10-15 21:28:46,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:28:46,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 393 [2022-10-15 21:28:46,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:46,628 INFO L225 Difference]: With dead ends: 1936 [2022-10-15 21:28:46,628 INFO L226 Difference]: Without dead ends: 1283 [2022-10-15 21:28:46,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:46,632 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 661 mSDsluCounter, 4411 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 5361 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:46,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 5361 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:28:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2022-10-15 21:28:46,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1184. [2022-10-15 21:28:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1184 states, 889 states have (on average 1.217097862767154) internal successors, (1082), 905 states have internal predecessors, (1082), 213 states have call successors, (213), 69 states have call predecessors, (213), 73 states have return successors, (228), 216 states have call predecessors, (228), 213 states have call successors, (228) [2022-10-15 21:28:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1523 transitions. [2022-10-15 21:28:46,734 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1523 transitions. Word has length 393 [2022-10-15 21:28:46,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:46,735 INFO L495 AbstractCegarLoop]: Abstraction has 1184 states and 1523 transitions. [2022-10-15 21:28:46,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 7 states have internal predecessors, (130), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-15 21:28:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1523 transitions. [2022-10-15 21:28:46,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-10-15 21:28:46,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:46,741 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:46,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:46,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:46,955 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting virtio_cread64Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [init_vqErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, init_vqErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-15 21:28:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:46,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2108295638, now seen corresponding path program 3 times [2022-10-15 21:28:46,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:46,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048719733] [2022-10-15 21:28:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:46,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:47,030 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-15 21:28:47,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1486274539] [2022-10-15 21:28:47,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-15 21:28:47,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:47,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:47,032 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) [2022-10-15 21:28:47,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process