/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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:31:55,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:31:55,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:31:55,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:31:55,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:31:55,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:31:55,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:31:55,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:31:55,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:31:55,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:31:55,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:31:55,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:31:55,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:31:55,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:31:55,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:31:55,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:31:55,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:31:55,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:31:55,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:31:55,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:31:55,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:31:55,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:31:55,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:31:55,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:31:55,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:31:55,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:31:55,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:31:55,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:31:55,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:31:55,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:31:55,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:31:55,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:31:55,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:31:55,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:31:55,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:31:55,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:31:55,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:31:55,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:31:55,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:31:55,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:31:55,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:31:55,346 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 21:31:55,391 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:31:55,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:31:55,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:31:55,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:31:55,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:31:55,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:31:55,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:31:55,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:31:55,395 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:31:55,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:31:55,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:31:55,396 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:31:55,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:31:55,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:31:55,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:31:55,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:31:55,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:31:55,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:31:55,398 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:31:55,398 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:31:55,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:31:55,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:31:55,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:31:55,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:31:55,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:31:55,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:31:55,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:31:55,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:31:55,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:31:55,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:31:55,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:31:55,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:31:55,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:31:55,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:31:55,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:31:55,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:31:55,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:31:55,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:31:55,830 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:31:55,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c [2022-10-15 21:31:55,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968e6f518/515f3df638be45648a2073e01d01a089/FLAGa09d6b351 [2022-10-15 21:31:56,976 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:31:56,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c [2022-10-15 21:31:57,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968e6f518/515f3df638be45648a2073e01d01a089/FLAGa09d6b351 [2022-10-15 21:31:57,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968e6f518/515f3df638be45648a2073e01d01a089 [2022-10-15 21:31:57,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:31:57,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:31:57,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:31:57,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:31:57,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:31:57,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:31:57" (1/1) ... [2022-10-15 21:31:57,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d6054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:31:57, skipping insertion in model container [2022-10-15 21:31:57,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:31:57" (1/1) ... [2022-10-15 21:31:57,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:31:57,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:32:01,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[314257,314270] [2022-10-15 21:32:01,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[314831,314844] [2022-10-15 21:32:01,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[316030,316043] [2022-10-15 21:32:01,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[316738,316751] [2022-10-15 21:32:01,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317179,317192] [2022-10-15 21:32:01,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317411,317424] [2022-10-15 21:32:01,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317989,318002] [2022-10-15 21:32:01,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[318579,318592] [2022-10-15 21:32:01,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[318996,319009] [2022-10-15 21:32:01,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[319393,319406] [2022-10-15 21:32:01,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[319628,319641] [2022-10-15 21:32:01,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[320376,320389] [2022-10-15 21:32:01,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[320797,320810] [2022-10-15 21:32:01,808 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[321424,321437] [2022-10-15 21:32:01,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[321839,321852] [2022-10-15 21:32:01,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[322483,322496] [2022-10-15 21:32:01,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[323213,323226] [2022-10-15 21:32:01,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[324049,324062] [2022-10-15 21:32:01,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[325395,325408] [2022-10-15 21:32:01,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[325793,325806] [2022-10-15 21:32:01,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[326350,326363] [2022-10-15 21:32:01,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[326733,326746] [2022-10-15 21:32:01,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[327349,327362] [2022-10-15 21:32:01,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[327923,327936] [2022-10-15 21:32:01,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[328836,328849] [2022-10-15 21:32:01,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329227,329240] [2022-10-15 21:32:01,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329456,329469] [2022-10-15 21:32:01,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329862,329875] [2022-10-15 21:32:01,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[330719,330732] [2022-10-15 21:32:01,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[331126,331139] [2022-10-15 21:32:01,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:32:01,917 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:32:02,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[314257,314270] [2022-10-15 21:32:02,438 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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[314831,314844] [2022-10-15 21:32:02,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[316030,316043] [2022-10-15 21:32:02,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[316738,316751] [2022-10-15 21:32:02,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317179,317192] [2022-10-15 21:32:02,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317411,317424] [2022-10-15 21:32:02,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[317989,318002] [2022-10-15 21:32:02,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[318579,318592] [2022-10-15 21:32:02,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[318996,319009] [2022-10-15 21:32:02,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[319393,319406] [2022-10-15 21:32:02,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[319628,319641] [2022-10-15 21:32:02,444 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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[320376,320389] [2022-10-15 21:32:02,444 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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[320797,320810] [2022-10-15 21:32:02,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[321424,321437] [2022-10-15 21:32:02,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[321839,321852] [2022-10-15 21:32:02,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[322483,322496] [2022-10-15 21:32:02,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[323213,323226] [2022-10-15 21:32:02,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[324049,324062] [2022-10-15 21:32:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[325395,325408] [2022-10-15 21:32:02,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[325793,325806] [2022-10-15 21:32:02,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[326350,326363] [2022-10-15 21:32:02,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[326733,326746] [2022-10-15 21:32:02,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[327349,327362] [2022-10-15 21:32:02,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[327923,327936] [2022-10-15 21:32:02,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[328836,328849] [2022-10-15 21:32:02,453 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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329227,329240] [2022-10-15 21:32:02,453 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--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329456,329469] [2022-10-15 21:32:02,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[329862,329875] [2022-10-15 21:32:02,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[330719,330732] [2022-10-15 21:32:02,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c[331126,331139] [2022-10-15 21:32:02,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:32:02,705 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:32:02,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02 WrapperNode [2022-10-15 21:32:02,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:32:02,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:32:02,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:32:02,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:32:02,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:02,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,085 INFO L138 Inliner]: procedures = 596, calls = 1814, calls flagged for inlining = 227, calls inlined = 113, statements flattened = 2498 [2022-10-15 21:32:03,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:32:03,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:32:03,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:32:03,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:32:03,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,305 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:32:03,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:32:03,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:32:03,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:32:03,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (1/1) ... [2022-10-15 21:32:03,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:32:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:32:03,385 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 21:32:03,394 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 21:32:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:32:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:32:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-15 21:32:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 21:32:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 21:32:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-15 21:32:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-15 21:32:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:32:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:32:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-10-15 21:32:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-10-15 21:32:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:32:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:32:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-15 21:32:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-15 21:32:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-15 21:32:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-15 21:32:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:32:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:32:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:32:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:32:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-15 21:32:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:32:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 21:32:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-15 21:32:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:32:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:32:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:32:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:32:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2022-10-15 21:32:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2022-10-15 21:32:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:32:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:32:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:32:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:32:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:32:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:32:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:32:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:32:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mtx_of_vme_dma_resource [2022-10-15 21:32:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mtx_of_vme_dma_resource [2022-10-15 21:32:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2022-10-15 21:32:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure vme_register_bridge [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:32:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-10-15 21:32:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-10-15 21:32:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:32:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:32:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:32:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:32:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:32:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 21:32:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-10-15 21:32:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-15 21:32:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-15 21:32:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:32:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:32:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure vme_unregister_bridge [2022-10-15 21:32:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-15 21:32:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-15 21:32:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:32:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:32:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:32:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:32:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-15 21:32:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:32:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:32:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-10-15 21:32:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-10-15 21:32:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:32:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:32:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-15 21:32:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-10-15 21:32:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:32:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:32:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-15 21:32:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-15 21:32:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-15 21:32:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:32:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure vme_irq_handler [2022-10-15 21:32:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:32:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:32:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:32:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:32:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:32:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:32:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:32:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mtx_of_vme_dma_resource [2022-10-15 21:32:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mtx_of_vme_dma_resource [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:32:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-15 21:32:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:32:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:32:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:32:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:32:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-10-15 21:32:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:32:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:32:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-10-15 21:32:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-10-15 21:32:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:32:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:32:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:32:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2022-10-15 21:32:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:32:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:32:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-15 21:32:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-15 21:32:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:32:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:32:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:32:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:32:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:32:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:32:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:32:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:32:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-15 21:32:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-15 21:32:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:32:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:32:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:32:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_slot_get [2022-10-15 21:32:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_slot_get [2022-10-15 21:32:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-15 21:32:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-10-15 21:32:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-10-15 21:32:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-15 21:32:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-15 21:32:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:32:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:32:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:32:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-15 21:32:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-15 21:32:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:32:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:32:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 21:32:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 21:32:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_irq_exit [2022-10-15 21:32:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_irq_exit [2022-10-15 21:32:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:32:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:32:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:32:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:32:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:32:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:32:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:32:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:32:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-15 21:32:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-15 21:32:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_crcsr_exit [2022-10-15 21:32:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_crcsr_exit [2022-10-15 21:32:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-15 21:32:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-15 21:32:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:32:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:32:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:32:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:32:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:32:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:32:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:32:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:32:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_remove [2022-10-15 21:32:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_remove [2022-10-15 21:32:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:32:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:32:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:32:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:32:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-15 21:32:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-15 21:32:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:32:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:32:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-15 21:32:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-15 21:32:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-10-15 21:32:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-15 21:32:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-15 21:32:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:32:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:32:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:32:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:32:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:32:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:32:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:32:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ca91cx42_dma_busy [2022-10-15 21:32:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ca91cx42_dma_busy [2022-10-15 21:32:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:32:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-10-15 21:32:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:32:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:32:04,209 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:32:04,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:32:07,870 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:32:07,893 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:32:07,893 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:32:07,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:32:07 BoogieIcfgContainer [2022-10-15 21:32:07,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:32:07,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:32:07,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:32:07,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:32:07,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:31:57" (1/3) ... [2022-10-15 21:32:07,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367e3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:32:07, skipping insertion in model container [2022-10-15 21:32:07,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:32:02" (2/3) ... [2022-10-15 21:32:07,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4367e3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:32:07, skipping insertion in model container [2022-10-15 21:32:07,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:32:07" (3/3) ... [2022-10-15 21:32:07,909 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--vme--bridges--vme_ca91cx42.ko.cil.c.cil.c [2022-10-15 21:32:07,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:32:07,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-15 21:32:08,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:32:08,043 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;@74581b0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:32:08,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-15 21:32:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 888 states, 605 states have (on average 1.3421487603305786) internal successors, (812), 661 states have internal predecessors, (812), 180 states have call successors, (180), 80 states have call predecessors, (180), 80 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) [2022-10-15 21:32:08,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-15 21:32:08,082 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:08,083 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:32:08,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:08,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:08,091 INFO L85 PathProgramCache]: Analyzing trace with hash -793533735, now seen corresponding path program 1 times [2022-10-15 21:32:08,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:08,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772819566] [2022-10-15 21:32:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:32:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:09,295 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-15 21:32:09,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:09,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772819566] [2022-10-15 21:32:09,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772819566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:09,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:09,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:32:09,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693087551] [2022-10-15 21:32:09,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:09,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:32:09,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:32:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:32:09,359 INFO L87 Difference]: Start difference. First operand has 888 states, 605 states have (on average 1.3421487603305786) internal successors, (812), 661 states have internal predecessors, (812), 180 states have call successors, (180), 80 states have call predecessors, (180), 80 states have return successors, (180), 179 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-15 21:32:12,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:32:12,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:12,330 INFO L93 Difference]: Finished difference Result 1751 states and 2451 transitions. [2022-10-15 21:32:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:32:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 188 [2022-10-15 21:32:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:12,370 INFO L225 Difference]: With dead ends: 1751 [2022-10-15 21:32:12,370 INFO L226 Difference]: Without dead ends: 635 [2022-10-15 21:32:12,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:32:12,390 INFO L413 NwaCegarLoop]: 1020 mSDtfsCounter, 985 mSDsluCounter, 1537 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 2557 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:12,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 2557 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-15 21:32:12,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-10-15 21:32:12,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 609. [2022-10-15 21:32:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 448 states have (on average 1.3370535714285714) internal successors, (599), 476 states have internal predecessors, (599), 102 states have call successors, (102), 37 states have call predecessors, (102), 37 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2022-10-15 21:32:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 803 transitions. [2022-10-15 21:32:12,554 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 803 transitions. Word has length 188 [2022-10-15 21:32:12,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:12,555 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 803 transitions. [2022-10-15 21:32:12,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-15 21:32:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 803 transitions. [2022-10-15 21:32:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-10-15 21:32:12,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:12,560 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:32:12,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:32:12,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:12,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:12,562 INFO L85 PathProgramCache]: Analyzing trace with hash 842315037, now seen corresponding path program 1 times [2022-10-15 21:32:12,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:12,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104040489] [2022-10-15 21:32:12,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:12,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-10-15 21:32:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:13,717 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-15 21:32:13,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:13,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104040489] [2022-10-15 21:32:13,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104040489] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:13,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:13,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:32:13,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707454598] [2022-10-15 21:32:13,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:13,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:32:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:13,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:32:13,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:32:13,723 INFO L87 Difference]: Start difference. First operand 609 states and 803 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-15 21:32:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:18,092 INFO L93 Difference]: Finished difference Result 1240 states and 1645 transitions. [2022-10-15 21:32:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-15 21:32:18,093 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 188 [2022-10-15 21:32:18,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:18,105 INFO L225 Difference]: With dead ends: 1240 [2022-10-15 21:32:18,105 INFO L226 Difference]: Without dead ends: 1236 [2022-10-15 21:32:18,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-15 21:32:18,108 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1857 mSDsluCounter, 2868 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 862 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 3979 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 862 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:18,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 3979 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [862 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-15 21:32:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2022-10-15 21:32:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1168. [2022-10-15 21:32:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 878 states have (on average 1.3382687927107062) internal successors, (1175), 914 states have internal predecessors, (1175), 197 states have call successors, (197), 74 states have call predecessors, (197), 71 states have return successors, (198), 192 states have call predecessors, (198), 197 states have call successors, (198) [2022-10-15 21:32:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1570 transitions. [2022-10-15 21:32:18,222 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1570 transitions. Word has length 188 [2022-10-15 21:32:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:18,223 INFO L495 AbstractCegarLoop]: Abstraction has 1168 states and 1570 transitions. [2022-10-15 21:32:18,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-10-15 21:32:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1570 transitions. [2022-10-15 21:32:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-10-15 21:32:18,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:18,227 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:32:18,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:32:18,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:18,229 INFO L85 PathProgramCache]: Analyzing trace with hash -508301207, now seen corresponding path program 1 times [2022-10-15 21:32:18,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:18,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125885707] [2022-10-15 21:32:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:18,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:32:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-15 21:32:19,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:19,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125885707] [2022-10-15 21:32:19,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125885707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:19,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:19,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 21:32:19,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062524461] [2022-10-15 21:32:19,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:19,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:32:19,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:32:19,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:32:19,534 INFO L87 Difference]: Start difference. First operand 1168 states and 1570 transitions. Second operand has 12 states, 10 states have (on average 7.7) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-15 21:32:24,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:24,607 INFO L93 Difference]: Finished difference Result 2166 states and 2933 transitions. [2022-10-15 21:32:24,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-15 21:32:24,608 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 202 [2022-10-15 21:32:24,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:24,639 INFO L225 Difference]: With dead ends: 2166 [2022-10-15 21:32:24,639 INFO L226 Difference]: Without dead ends: 2164 [2022-10-15 21:32:24,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 21:32:24,652 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 6523 mSDsluCounter, 3704 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 3388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6634 SdHoareTripleChecker+Valid, 4751 SdHoareTripleChecker+Invalid, 5738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3388 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:24,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6634 Valid, 4751 Invalid, 5738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3388 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-10-15 21:32:24,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2022-10-15 21:32:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1740. [2022-10-15 21:32:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1316 states have (on average 1.337386018237082) internal successors, (1760), 1360 states have internal predecessors, (1760), 292 states have call successors, (292), 111 states have call predecessors, (292), 110 states have return successors, (295), 287 states have call predecessors, (295), 292 states have call successors, (295) [2022-10-15 21:32:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2347 transitions. [2022-10-15 21:32:24,834 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2347 transitions. Word has length 202 [2022-10-15 21:32:24,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:24,837 INFO L495 AbstractCegarLoop]: Abstraction has 1740 states and 2347 transitions. [2022-10-15 21:32:24,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 7 states have internal predecessors, (77), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-15 21:32:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2347 transitions. [2022-10-15 21:32:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-10-15 21:32:24,842 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:24,842 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-15 21:32:24,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:32:24,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_io_mem_unmapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:24,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:24,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1422532189, now seen corresponding path program 1 times [2022-10-15 21:32:24,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:24,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651130115] [2022-10-15 21:32:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:24,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:32:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-15 21:32:26,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:26,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651130115] [2022-10-15 21:32:26,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651130115] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:26,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:26,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-15 21:32:26,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064406575] [2022-10-15 21:32:26,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:26,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 21:32:26,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:26,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 21:32:26,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:32:26,035 INFO L87 Difference]: Start difference. First operand 1740 states and 2347 transitions. Second operand has 12 states, 10 states have (on average 7.8) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-15 21:32:31,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:31,051 INFO L93 Difference]: Finished difference Result 3037 states and 4069 transitions. [2022-10-15 21:32:31,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-15 21:32:31,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.8) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 203 [2022-10-15 21:32:31,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:31,075 INFO L225 Difference]: With dead ends: 3037 [2022-10-15 21:32:31,076 INFO L226 Difference]: Without dead ends: 3035 [2022-10-15 21:32:31,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=283, Invalid=839, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 21:32:31,080 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 3603 mSDsluCounter, 4163 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 2096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3714 SdHoareTripleChecker+Valid, 5774 SdHoareTripleChecker+Invalid, 4930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:31,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3714 Valid, 5774 Invalid, 4930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2096 Valid, 2834 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-15 21:32:31,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3035 states. [2022-10-15 21:32:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3035 to 2873. [2022-10-15 21:32:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2873 states, 2184 states have (on average 1.3379120879120878) internal successors, (2922), 2245 states have internal predecessors, (2922), 482 states have call successors, (482), 185 states have call predecessors, (482), 185 states have return successors, (487), 471 states have call predecessors, (487), 482 states have call successors, (487) [2022-10-15 21:32:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 3891 transitions. [2022-10-15 21:32:31,346 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 3891 transitions. Word has length 203 [2022-10-15 21:32:31,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:31,347 INFO L495 AbstractCegarLoop]: Abstraction has 2873 states and 3891 transitions. [2022-10-15 21:32:31,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.8) internal successors, (78), 7 states have internal predecessors, (78), 4 states have call successors, (22), 7 states have call predecessors, (22), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-10-15 21:32:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3891 transitions. [2022-10-15 21:32:31,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-10-15 21:32:31,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:31,354 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:31,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:32:31,355 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:31,356 INFO L85 PathProgramCache]: Analyzing trace with hash 133008464, now seen corresponding path program 1 times [2022-10-15 21:32:31,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:31,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690168157] [2022-10-15 21:32:31,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:31,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:32:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-15 21:32:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:32:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-15 21:32:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-10-15 21:32:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 21:32:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-10-15 21:32:32,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:32,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690168157] [2022-10-15 21:32:32,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690168157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:32,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:32,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:32:32,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076379706] [2022-10-15 21:32:32,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:32,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:32:32,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:32,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:32:32,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:32:32,192 INFO L87 Difference]: Start difference. First operand 2873 states and 3891 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:32:35,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:32:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:36,731 INFO L93 Difference]: Finished difference Result 5964 states and 8100 transitions. [2022-10-15 21:32:36,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:32:36,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 252 [2022-10-15 21:32:36,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:36,760 INFO L225 Difference]: With dead ends: 5964 [2022-10-15 21:32:36,760 INFO L226 Difference]: Without dead ends: 3109 [2022-10-15 21:32:36,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:32:36,776 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 1075 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:36,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 3186 Invalid, 2072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-10-15 21:32:36,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states. [2022-10-15 21:32:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 2928. [2022-10-15 21:32:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2239 states have (on average 1.3407771326485038) internal successors, (3002), 2300 states have internal predecessors, (3002), 482 states have call successors, (482), 185 states have call predecessors, (482), 185 states have return successors, (487), 471 states have call predecessors, (487), 482 states have call successors, (487) [2022-10-15 21:32:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 3971 transitions. [2022-10-15 21:32:37,021 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 3971 transitions. Word has length 252 [2022-10-15 21:32:37,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:37,022 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 3971 transitions. [2022-10-15 21:32:37,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:32:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3971 transitions. [2022-10-15 21:32:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-10-15 21:32:37,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:37,030 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:37,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:32:37,031 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:37,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:37,032 INFO L85 PathProgramCache]: Analyzing trace with hash -579177316, now seen corresponding path program 1 times [2022-10-15 21:32:37,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:37,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985241515] [2022-10-15 21:32:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:37,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:32:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-15 21:32:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:32:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-15 21:32:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-10-15 21:32:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 21:32:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-10-15 21:32:37,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:37,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985241515] [2022-10-15 21:32:37,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985241515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:37,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:37,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:32:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628076943] [2022-10-15 21:32:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:37,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:32:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:32:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:32:37,799 INFO L87 Difference]: Start difference. First operand 2928 states and 3971 transitions. Second operand has 9 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:32:40,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:32:41,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:32:41,094 INFO L93 Difference]: Finished difference Result 6108 states and 8320 transitions. [2022-10-15 21:32:41,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 21:32:41,094 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 256 [2022-10-15 21:32:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:32:41,124 INFO L225 Difference]: With dead ends: 6108 [2022-10-15 21:32:41,125 INFO L226 Difference]: Without dead ends: 3198 [2022-10-15 21:32:41,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:32:41,142 INFO L413 NwaCegarLoop]: 714 mSDtfsCounter, 1262 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 2510 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:32:41,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 2510 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-10-15 21:32:41,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2022-10-15 21:32:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3013. [2022-10-15 21:32:41,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 2324 states have (on average 1.3519793459552496) internal successors, (3142), 2385 states have internal predecessors, (3142), 482 states have call successors, (482), 185 states have call predecessors, (482), 185 states have return successors, (487), 471 states have call predecessors, (487), 482 states have call successors, (487) [2022-10-15 21:32:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 4111 transitions. [2022-10-15 21:32:41,449 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 4111 transitions. Word has length 256 [2022-10-15 21:32:41,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:32:41,451 INFO L495 AbstractCegarLoop]: Abstraction has 3013 states and 4111 transitions. [2022-10-15 21:32:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.375) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-10-15 21:32:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 4111 transitions. [2022-10-15 21:32:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-10-15 21:32:41,459 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:32:41,459 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:32:41,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:32:41,460 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_linux_arch_io_io_mem_remapErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_linux_arch_io_io_mem_remapErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 20 more)] === [2022-10-15 21:32:41,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:32:41,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1914537739, now seen corresponding path program 1 times [2022-10-15 21:32:41,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:32:41,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342691950] [2022-10-15 21:32:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:32:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:32:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:32:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:32:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:32:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:32:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:32:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-10-15 21:32:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:32:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 21:32:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-15 21:32:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-15 21:32:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 21:32:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:32:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 21:32:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-10-15 21:32:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 21:32:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-15 21:32:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-10-15 21:32:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:32:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:32:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:32:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 21:32:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:32:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2022-10-15 21:32:42,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:32:42,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342691950] [2022-10-15 21:32:42,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342691950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:32:42,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:32:42,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:32:42,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272226176] [2022-10-15 21:32:42,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:32:42,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-15 21:32:42,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:32:42,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-15 21:32:42,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:32:42,174 INFO L87 Difference]: Start difference. First operand 3013 states and 4111 transitions. Second operand has 9 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)