/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:27:56,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:27:56,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:27:56,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:27:56,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:27:56,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:27:56,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:27:56,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:27:56,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:27:56,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:27:56,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:27:56,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:27:56,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:27:56,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:27:56,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:27:56,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:27:56,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:27:56,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:27:56,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:27:56,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:27:56,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:27:56,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:27:56,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:27:56,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:27:56,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:27:56,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:27:56,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:27:56,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:27:56,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:27:56,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:27:56,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:27:56,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:27:56,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:27:56,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:27:56,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:27:56,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:27:56,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:27:56,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:27:56,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:27:56,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:27:56,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:27:56,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:27:56,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:27:56,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:27:56,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:27:56,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:27:56,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:27:56,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:27:56,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:27:56,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:27:56,249 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:27:56,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:27:56,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:27:56,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:27:56,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:27:56,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:27:56,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:27:56,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:27:56,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:27:56,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:27:56,252 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:27:56,252 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:27:56,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:27:56,252 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:27:56,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:27:56,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:27:56,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:27:56,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:27:56,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:27:56,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:27:56,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:27:56,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:27:56,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:27:56,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:27:56,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:27:56,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:27:56,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:27:56,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:27:56,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:27:56,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:27:56,666 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:27:56,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c [2022-10-15 21:27:56,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a64f662/9978d112800d44c59bb1ff5ffb93dc30/FLAG45efc5be9 [2022-10-15 21:27:57,904 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:27:57,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c [2022-10-15 21:27:57,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a64f662/9978d112800d44c59bb1ff5ffb93dc30/FLAG45efc5be9 [2022-10-15 21:27:58,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51a64f662/9978d112800d44c59bb1ff5ffb93dc30 [2022-10-15 21:27:58,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:27:58,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:27:58,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:27:58,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:27:58,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:27:58,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:27:58" (1/1) ... [2022-10-15 21:27:58,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e665071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:27:58, skipping insertion in model container [2022-10-15 21:27:58,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:27:58" (1/1) ... [2022-10-15 21:27:58,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:27:58,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:28:01,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[271093,271106] [2022-10-15 21:28:01,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[271667,271680] [2022-10-15 21:28:01,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[272866,272879] [2022-10-15 21:28:01,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[273574,273587] [2022-10-15 21:28:01,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274015,274028] [2022-10-15 21:28:01,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274247,274260] [2022-10-15 21:28:01,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274825,274838] [2022-10-15 21:28:01,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[275415,275428] [2022-10-15 21:28:01,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[275832,275845] [2022-10-15 21:28:01,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[276229,276242] [2022-10-15 21:28:01,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[276464,276477] [2022-10-15 21:28:01,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[277212,277225] [2022-10-15 21:28:01,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[277633,277646] [2022-10-15 21:28:01,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[278260,278273] [2022-10-15 21:28:01,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[278675,278688] [2022-10-15 21:28:01,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[279319,279332] [2022-10-15 21:28:01,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[280049,280062] [2022-10-15 21:28:01,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[280885,280898] [2022-10-15 21:28:01,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[282231,282244] [2022-10-15 21:28:01,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[282629,282642] [2022-10-15 21:28:01,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[283186,283199] [2022-10-15 21:28:01,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[283569,283582] [2022-10-15 21:28:01,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[284185,284198] [2022-10-15 21:28:01,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[284759,284772] [2022-10-15 21:28:01,741 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--block--paride--pf.ko.cil.c[285672,285685] [2022-10-15 21:28:01,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[286063,286076] [2022-10-15 21:28:01,747 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--block--paride--pf.ko.cil.c[286292,286305] [2022-10-15 21:28:01,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[286698,286711] [2022-10-15 21:28:01,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[287555,287568] [2022-10-15 21:28:01,759 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--block--paride--pf.ko.cil.c[287962,287975] [2022-10-15 21:28:01,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:28:01,814 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:28:02,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[271093,271106] [2022-10-15 21:28:02,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[271667,271680] [2022-10-15 21:28:02,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[272866,272879] [2022-10-15 21:28:02,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[273574,273587] [2022-10-15 21:28:02,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274015,274028] [2022-10-15 21:28:02,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274247,274260] [2022-10-15 21:28:02,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[274825,274838] [2022-10-15 21:28:02,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[275415,275428] [2022-10-15 21:28:02,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[275832,275845] [2022-10-15 21:28:02,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[276229,276242] [2022-10-15 21:28:02,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[276464,276477] [2022-10-15 21:28:02,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[277212,277225] [2022-10-15 21:28:02,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[277633,277646] [2022-10-15 21:28:02,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[278260,278273] [2022-10-15 21:28:02,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[278675,278688] [2022-10-15 21:28:02,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[279319,279332] [2022-10-15 21:28:02,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[280049,280062] [2022-10-15 21:28:02,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[280885,280898] [2022-10-15 21:28:02,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[282231,282244] [2022-10-15 21:28:02,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[282629,282642] [2022-10-15 21:28:02,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[283186,283199] [2022-10-15 21:28:02,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[283569,283582] [2022-10-15 21:28:02,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[284185,284198] [2022-10-15 21:28:02,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[284759,284772] [2022-10-15 21:28:02,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[285672,285685] [2022-10-15 21:28:02,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[286063,286076] [2022-10-15 21:28:02,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[286292,286305] [2022-10-15 21:28:02,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[286698,286711] [2022-10-15 21:28:02,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[287555,287568] [2022-10-15 21:28:02,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-multiproperty/linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c[287962,287975] [2022-10-15 21:28:02,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:28:02,423 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:28:02,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02 WrapperNode [2022-10-15 21:28:02,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:28:02,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:28:02,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:28:02,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:28:02,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,721 INFO L138 Inliner]: procedures = 542, calls = 1463, calls flagged for inlining = 191, calls inlined = 106, statements flattened = 2144 [2022-10-15 21:28:02,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:28:02,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:28:02,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:28:02,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:28:02,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:28:02,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:28:02,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:28:02,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:28:02,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (1/1) ... [2022-10-15 21:28:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:28:02,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:02,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:28:03,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:28:03,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_96 [2022-10-15 21:28:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_96 [2022-10-15 21:28:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-10-15 21:28:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-10-15 21:28:03,067 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-10-15 21:28:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-10-15 21:28:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ps_set_intr [2022-10-15 21:28:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_set_intr [2022-10-15 21:28:03,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:28:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-10-15 21:28:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2022-10-15 21:28:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2022-10-15 21:28:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:28:03,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:28:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2022-10-15 21:28:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:28:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-10-15 21:28:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:28:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-10-15 21:28:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2022-10-15 21:28:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2022-10-15 21:28:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:28:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-10-15 21:28:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pf_spin_lock [2022-10-15 21:28:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pf_spin_lock [2022-10-15 21:28:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:28:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-10-15 21:28:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure pf_atapi [2022-10-15 21:28:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_atapi [2022-10-15 21:28:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 21:28:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 21:28:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 21:28:03,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 21:28:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure pf_mode_sense [2022-10-15 21:28:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_mode_sense [2022-10-15 21:28:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:28:03,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-10-15 21:28:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:28:03,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:28:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:28:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:28:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2022-10-15 21:28:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-10-15 21:28:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2022-10-15 21:28:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:28:03,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-10-15 21:28:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2022-10-15 21:28:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure pf_end_request [2022-10-15 21:28:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_end_request [2022-10-15 21:28:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure pf_next_buf [2022-10-15 21:28:03,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_next_buf [2022-10-15 21:28:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:28:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:28:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-10-15 21:28:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:28:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:28:03,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-10-15 21:28:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2022-10-15 21:28:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2022-10-15 21:28:03,080 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2022-10-15 21:28:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:28:03,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-10-15 21:28:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ps_tq_int [2022-10-15 21:28:03,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ps_tq_int [2022-10-15 21:28:03,083 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:28:03,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2022-10-15 21:28:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-10-15 21:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:28:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-10-15 21:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:28:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2022-10-15 21:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:28:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-10-15 21:28:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2022-10-15 21:28:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2022-10-15 21:28:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure pf_req_sense [2022-10-15 21:28:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_req_sense [2022-10-15 21:28:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:28:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-10-15 21:28:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-10-15 21:28:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:28:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2022-10-15 21:28:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:28:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:28:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure pf_identify [2022-10-15 21:28:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_identify [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure pf_sleep [2022-10-15 21:28:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_sleep [2022-10-15 21:28:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:28:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-10-15 21:28:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-10-15 21:28:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure pf_lock [2022-10-15 21:28:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_lock [2022-10-15 21:28:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure bio_data [2022-10-15 21:28:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_data [2022-10-15 21:28:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:28:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:28:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-10-15 21:28:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:28:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2022-10-15 21:28:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure pf_wait [2022-10-15 21:28:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_wait [2022-10-15 21:28:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-10-15 21:28:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-10-15 21:28:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:28:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-10-15 21:28:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure do_pf_request [2022-10-15 21:28:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure do_pf_request [2022-10-15 21:28:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_cur [2022-10-15 21:28:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure blk_fetch_request [2022-10-15 21:28:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure pf_start [2022-10-15 21:28:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_start [2022-10-15 21:28:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2022-10-15 21:28:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-10-15 21:28:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-10-15 21:28:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-10-15 21:28:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:28:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:28:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_pf_mutex [2022-10-15 21:28:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_pf_mutex [2022-10-15 21:28:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:28:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-10-15 21:28:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2022-10-15 21:28:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2022-10-15 21:28:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:28:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-10-15 21:28:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_cur_sectors [2022-10-15 21:28:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_cur_sectors [2022-10-15 21:28:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:28:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:28:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-10-15 21:28:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-10-15 21:28:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-10-15 21:28:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure pf_command [2022-10-15 21:28:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_command [2022-10-15 21:28:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure pf_probe [2022-10-15 21:28:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_probe [2022-10-15 21:28:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2022-10-15 21:28:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2022-10-15 21:28:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:28:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2022-10-15 21:28:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:28:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2022-10-15 21:28:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2022-10-15 21:28:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_capacity [2022-10-15 21:28:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_capacity [2022-10-15 21:28:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2022-10-15 21:28:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2022-10-15 21:28:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:28:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-10-15 21:28:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 21:28:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 21:28:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure bio_has_data [2022-10-15 21:28:03,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_has_data [2022-10-15 21:28:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure xl [2022-10-15 21:28:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure xl [2022-10-15 21:28:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-10-15 21:28:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-10-15 21:28:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-10-15 21:28:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure pf_reset [2022-10-15 21:28:03,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_reset [2022-10-15 21:28:03,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:28:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-10-15 21:28:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:28:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-15 21:28:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:28:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-10-15 21:28:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_pf_mutex [2022-10-15 21:28:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_pf_mutex [2022-10-15 21:28:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-10-15 21:28:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2022-10-15 21:28:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2022-10-15 21:28:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2022-10-15 21:28:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2022-10-15 21:28:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:28:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-10-15 21:28:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:28:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2022-10-15 21:28:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:28:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-15 21:28:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:28:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:28:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-10-15 21:28:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:28:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:28:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2022-10-15 21:28:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2022-10-15 21:28:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:28:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-10-15 21:28:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-10-15 21:28:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure pf_completion [2022-10-15 21:28:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pf_completion [2022-10-15 21:28:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ps_spinlock [2022-10-15 21:28:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ps_spinlock [2022-10-15 21:28:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2022-10-15 21:28:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2022-10-15 21:28:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2022-10-15 21:28:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2022-10-15 21:28:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segments [2022-10-15 21:28:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 21:28:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 21:28:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:28:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:28:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_put_disk [2022-10-15 21:28:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_put_disk [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:28:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2022-10-15 21:28:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure pi_do_claimed [2022-10-15 21:28:03,652 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:28:03,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:28:08,426 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:28:08,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:28:08,457 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-15 21:28:08,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:28:08 BoogieIcfgContainer [2022-10-15 21:28:08,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:28:08,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:28:08,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:28:08,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:28:08,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:27:58" (1/3) ... [2022-10-15 21:28:08,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b75b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:28:08, skipping insertion in model container [2022-10-15 21:28:08,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:28:02" (2/3) ... [2022-10-15 21:28:08,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b75b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:28:08, skipping insertion in model container [2022-10-15 21:28:08,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:28:08" (3/3) ... [2022-10-15 21:28:08,475 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--paride--pf.ko.cil.c [2022-10-15 21:28:08,502 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:28:08,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 132 error locations. [2022-10-15 21:28:08,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:28:08,664 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;@4fc7b983, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:28:08,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2022-10-15 21:28:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 1263 states, 792 states have (on average 1.4242424242424243) internal successors, (1128), 979 states have internal predecessors, (1128), 244 states have call successors, (244), 94 states have call predecessors, (244), 94 states have return successors, (244), 232 states have call predecessors, (244), 244 states have call successors, (244) [2022-10-15 21:28:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:28:08,689 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:08,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:08,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:08,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:08,700 INFO L85 PathProgramCache]: Analyzing trace with hash -195659198, now seen corresponding path program 1 times [2022-10-15 21:28:08,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:08,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618924420] [2022-10-15 21:28:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:08,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:09,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:09,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618924420] [2022-10-15 21:28:09,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618924420] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:09,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:09,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:28:09,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143758002] [2022-10-15 21:28:09,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:09,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 21:28:09,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:09,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 21:28:09,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:28:09,426 INFO L87 Difference]: Start difference. First operand has 1263 states, 792 states have (on average 1.4242424242424243) internal successors, (1128), 979 states have internal predecessors, (1128), 244 states have call successors, (244), 94 states have call predecessors, (244), 94 states have return successors, (244), 232 states have call predecessors, (244), 244 states have call successors, (244) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:28:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:09,647 INFO L93 Difference]: Finished difference Result 2470 states and 3343 transitions. [2022-10-15 21:28:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 21:28:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-15 21:28:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:09,679 INFO L225 Difference]: With dead ends: 2470 [2022-10-15 21:28:09,680 INFO L226 Difference]: Without dead ends: 999 [2022-10-15 21:28:09,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 21:28:09,702 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:09,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:28:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-10-15 21:28:09,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2022-10-15 21:28:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 645 states have (on average 1.441860465116279) internal successors, (930), 799 states have internal predecessors, (930), 170 states have call successors, (170), 52 states have call predecessors, (170), 52 states have return successors, (170), 159 states have call predecessors, (170), 170 states have call successors, (170) [2022-10-15 21:28:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1270 transitions. [2022-10-15 21:28:09,856 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1270 transitions. Word has length 17 [2022-10-15 21:28:09,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:09,856 INFO L495 AbstractCegarLoop]: Abstraction has 999 states and 1270 transitions. [2022-10-15 21:28:09,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:28:09,857 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1270 transitions. [2022-10-15 21:28:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:28:09,859 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:09,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:09,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:28:09,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:09,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash -782465212, now seen corresponding path program 1 times [2022-10-15 21:28:09,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:09,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743808739] [2022-10-15 21:28:09,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:10,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:10,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743808739] [2022-10-15 21:28:10,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743808739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:10,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:10,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:28:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239412939] [2022-10-15 21:28:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:10,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:28:10,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:28:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:10,061 INFO L87 Difference]: Start difference. First operand 999 states and 1270 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:28:10,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:10,402 INFO L93 Difference]: Finished difference Result 1992 states and 2532 transitions. [2022-10-15 21:28:10,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:28:10,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-15 21:28:10,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:10,412 INFO L225 Difference]: With dead ends: 1992 [2022-10-15 21:28:10,413 INFO L226 Difference]: Without dead ends: 1019 [2022-10-15 21:28:10,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:28:10,419 INFO L413 NwaCegarLoop]: 1266 mSDtfsCounter, 22 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:10,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 2527 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:28:10,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2022-10-15 21:28:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1017. [2022-10-15 21:28:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1017 states, 662 states have (on average 1.4395770392749245) internal successors, (953), 816 states have internal predecessors, (953), 171 states have call successors, (171), 52 states have call predecessors, (171), 52 states have return successors, (171), 160 states have call predecessors, (171), 171 states have call successors, (171) [2022-10-15 21:28:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 1017 states and 1295 transitions. [2022-10-15 21:28:10,476 INFO L78 Accepts]: Start accepts. Automaton has 1017 states and 1295 transitions. Word has length 17 [2022-10-15 21:28:10,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:10,478 INFO L495 AbstractCegarLoop]: Abstraction has 1017 states and 1295 transitions. [2022-10-15 21:28:10,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:28:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1295 transitions. [2022-10-15 21:28:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 21:28:10,480 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:10,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:10,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:28:10,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:10,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:10,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1863735783, now seen corresponding path program 1 times [2022-10-15 21:28:10,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:10,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124595978] [2022-10-15 21:28:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:10,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:10,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:10,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124595978] [2022-10-15 21:28:10,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124595978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:10,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:10,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:28:10,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730728180] [2022-10-15 21:28:10,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:10,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:10,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:10,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:10,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:28:10,885 INFO L87 Difference]: Start difference. First operand 1017 states and 1295 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:28:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:13,260 INFO L93 Difference]: Finished difference Result 3085 states and 3971 transitions. [2022-10-15 21:28:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:28:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-10-15 21:28:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:13,289 INFO L225 Difference]: With dead ends: 3085 [2022-10-15 21:28:13,289 INFO L226 Difference]: Without dead ends: 2123 [2022-10-15 21:28:13,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:28:13,296 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 1906 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:13,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 2736 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:28:13,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-10-15 21:28:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1861. [2022-10-15 21:28:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1287 states have (on average 1.4320124320124321) internal successors, (1843), 1464 states have internal predecessors, (1843), 338 states have call successors, (338), 104 states have call predecessors, (338), 104 states have return successors, (338), 316 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-15 21:28:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2519 transitions. [2022-10-15 21:28:13,428 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2519 transitions. Word has length 34 [2022-10-15 21:28:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:13,428 INFO L495 AbstractCegarLoop]: Abstraction has 1861 states and 2519 transitions. [2022-10-15 21:28:13,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:28:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2519 transitions. [2022-10-15 21:28:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:28:13,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:13,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:13,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:28:13,432 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:13,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:13,432 INFO L85 PathProgramCache]: Analyzing trace with hash 275036645, now seen corresponding path program 1 times [2022-10-15 21:28:13,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:13,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818498863] [2022-10-15 21:28:13,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:13,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:13,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:13,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818498863] [2022-10-15 21:28:13,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818498863] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:13,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881659576] [2022-10-15 21:28:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:13,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:13,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:28:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:14,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:14,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:14,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:28:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:14,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881659576] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:28:14,262 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:28:14,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-15 21:28:14,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013532497] [2022-10-15 21:28:14,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:28:14,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:28:14,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:14,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:28:14,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:14,264 INFO L87 Difference]: Start difference. First operand 1861 states and 2519 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-15 21:28:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:16,300 INFO L93 Difference]: Finished difference Result 3870 states and 5296 transitions. [2022-10-15 21:28:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:28:16,300 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 41 [2022-10-15 21:28:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:16,316 INFO L225 Difference]: With dead ends: 3870 [2022-10-15 21:28:16,316 INFO L226 Difference]: Without dead ends: 2074 [2022-10-15 21:28:16,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:16,326 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 563 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 2693 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:16,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 2693 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:28:16,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2022-10-15 21:28:16,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 1934. [2022-10-15 21:28:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1357 states have (on average 1.425939572586588) internal successors, (1935), 1533 states have internal predecessors, (1935), 342 states have call successors, (342), 104 states have call predecessors, (342), 104 states have return successors, (342), 320 states have call predecessors, (342), 342 states have call successors, (342) [2022-10-15 21:28:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2619 transitions. [2022-10-15 21:28:16,428 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2619 transitions. Word has length 41 [2022-10-15 21:28:16,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:16,428 INFO L495 AbstractCegarLoop]: Abstraction has 1934 states and 2619 transitions. [2022-10-15 21:28:16,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 7 states have internal predecessors, (59), 5 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-15 21:28:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2619 transitions. [2022-10-15 21:28:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-15 21:28:16,431 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:16,432 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:28:16,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:16,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:16,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:16,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:16,647 INFO L85 PathProgramCache]: Analyzing trace with hash 873736348, now seen corresponding path program 1 times [2022-10-15 21:28:16,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:16,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099016247] [2022-10-15 21:28:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:16,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:28:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:28:16,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:16,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099016247] [2022-10-15 21:28:16,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099016247] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:16,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867066645] [2022-10-15 21:28:16,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:16,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:16,989 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:16,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:28:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:17,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:17,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:28:17,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:17,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867066645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:17,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:28:17,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:28:17,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848725861] [2022-10-15 21:28:17,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:17,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:17,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:17,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:17,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:17,444 INFO L87 Difference]: Start difference. First operand 1934 states and 2619 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-15 21:28:17,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:17,779 INFO L93 Difference]: Finished difference Result 2087 states and 2836 transitions. [2022-10-15 21:28:17,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:17,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 52 [2022-10-15 21:28:17,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:17,798 INFO L225 Difference]: With dead ends: 2087 [2022-10-15 21:28:17,798 INFO L226 Difference]: Without dead ends: 2086 [2022-10-15 21:28:17,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:17,805 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 249 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 3887 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:17,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 3887 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 21:28:17,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2022-10-15 21:28:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 1933. [2022-10-15 21:28:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1357 states have (on average 1.421518054532056) internal successors, (1929), 1532 states have internal predecessors, (1929), 342 states have call successors, (342), 104 states have call predecessors, (342), 104 states have return successors, (342), 320 states have call predecessors, (342), 342 states have call successors, (342) [2022-10-15 21:28:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2613 transitions. [2022-10-15 21:28:17,936 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2613 transitions. Word has length 52 [2022-10-15 21:28:17,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:17,939 INFO L495 AbstractCegarLoop]: Abstraction has 1933 states and 2613 transitions. [2022-10-15 21:28:17,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-15 21:28:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2613 transitions. [2022-10-15 21:28:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 21:28:17,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:17,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:17,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:18,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:18,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:18,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash 676838630, now seen corresponding path program 1 times [2022-10-15 21:28:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:18,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661019632] [2022-10-15 21:28:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:28:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:28:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:28:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 21:28:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-15 21:28:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:28:18,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:18,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661019632] [2022-10-15 21:28:18,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661019632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:18,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:28:18,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:28:18,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919128967] [2022-10-15 21:28:18,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:18,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:28:18,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:18,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:28:18,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:28:18,394 INFO L87 Difference]: Start difference. First operand 1933 states and 2613 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:28:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:19,590 INFO L93 Difference]: Finished difference Result 2708 states and 3593 transitions. [2022-10-15 21:28:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:28:19,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 57 [2022-10-15 21:28:19,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:19,607 INFO L225 Difference]: With dead ends: 2708 [2022-10-15 21:28:19,607 INFO L226 Difference]: Without dead ends: 1933 [2022-10-15 21:28:19,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:19,614 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 2312 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:19,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 1651 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 21:28:19,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-10-15 21:28:19,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1933. [2022-10-15 21:28:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1357 states have (on average 1.4207811348563006) internal successors, (1928), 1532 states have internal predecessors, (1928), 342 states have call successors, (342), 104 states have call predecessors, (342), 104 states have return successors, (342), 320 states have call predecessors, (342), 342 states have call successors, (342) [2022-10-15 21:28:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2612 transitions. [2022-10-15 21:28:19,780 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2612 transitions. Word has length 57 [2022-10-15 21:28:19,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:19,780 INFO L495 AbstractCegarLoop]: Abstraction has 1933 states and 2612 transitions. [2022-10-15 21:28:19,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-10-15 21:28:19,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2612 transitions. [2022-10-15 21:28:19,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:28:19,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:19,782 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:28:19,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:28:19,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:19,783 INFO L85 PathProgramCache]: Analyzing trace with hash -82516731, now seen corresponding path program 1 times [2022-10-15 21:28:19,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:19,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186608436] [2022-10-15 21:28:19,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:28:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:28:20,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:20,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186608436] [2022-10-15 21:28:20,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186608436] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:20,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223566518] [2022-10-15 21:28:20,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:20,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:20,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:20,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:20,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:28:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:20,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:20,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:20,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:28:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:28:20,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223566518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:28:20,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:28:20,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:28:20,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033465093] [2022-10-15 21:28:20,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:28:20,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:28:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:20,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:28:20,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:28:20,879 INFO L87 Difference]: Start difference. First operand 1933 states and 2612 transitions. Second operand has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-15 21:28:28,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:28,834 INFO L93 Difference]: Finished difference Result 5364 states and 6958 transitions. [2022-10-15 21:28:28,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:28:28,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 61 [2022-10-15 21:28:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:28,877 INFO L225 Difference]: With dead ends: 5364 [2022-10-15 21:28:28,877 INFO L226 Difference]: Without dead ends: 5363 [2022-10-15 21:28:28,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:28,882 INFO L413 NwaCegarLoop]: 1678 mSDtfsCounter, 6530 mSDsluCounter, 4772 mSDsCounter, 0 mSdLazyCounter, 4647 mSolverCounterSat, 2106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6910 SdHoareTripleChecker+Valid, 6450 SdHoareTripleChecker+Invalid, 6753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2106 IncrementalHoareTripleChecker+Valid, 4647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:28,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6910 Valid, 6450 Invalid, 6753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2106 Valid, 4647 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-10-15 21:28:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5363 states. [2022-10-15 21:28:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5363 to 4518. [2022-10-15 21:28:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 3281 states have (on average 1.4270039622066444) internal successors, (4682), 3525 states have internal predecessors, (4682), 847 states have call successors, (847), 260 states have call predecessors, (847), 260 states have return successors, (847), 792 states have call predecessors, (847), 847 states have call successors, (847) [2022-10-15 21:28:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 6376 transitions. [2022-10-15 21:28:29,294 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 6376 transitions. Word has length 61 [2022-10-15 21:28:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:29,295 INFO L495 AbstractCegarLoop]: Abstraction has 4518 states and 6376 transitions. [2022-10-15 21:28:29,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 states have internal predecessors, (106), 6 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-15 21:28:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 6376 transitions. [2022-10-15 21:28:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 21:28:29,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:29,297 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:28:29,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:29,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:29,512 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:29,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:29,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1736950234, now seen corresponding path program 1 times [2022-10-15 21:28:29,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:29,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156600760] [2022-10-15 21:28:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:29,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:28:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:28:29,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:29,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156600760] [2022-10-15 21:28:29,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156600760] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:29,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548862944] [2022-10-15 21:28:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:29,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:29,958 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:29,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:28:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:30,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:28:30,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:28:30,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:30,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548862944] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:30,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:28:30,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:28:30,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821411598] [2022-10-15 21:28:30,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:30,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:28:30,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:30,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:28:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:30,539 INFO L87 Difference]: Start difference. First operand 4518 states and 6376 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:28:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:31,857 INFO L93 Difference]: Finished difference Result 5593 states and 7585 transitions. [2022-10-15 21:28:31,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:28:31,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 62 [2022-10-15 21:28:31,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:31,892 INFO L225 Difference]: With dead ends: 5593 [2022-10-15 21:28:31,892 INFO L226 Difference]: Without dead ends: 4639 [2022-10-15 21:28:31,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:28:31,900 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 3311 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:31,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 2359 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [334 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 21:28:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2022-10-15 21:28:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 4517. [2022-10-15 21:28:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 3281 states have (on average 1.423956110941786) internal successors, (4672), 3524 states have internal predecessors, (4672), 847 states have call successors, (847), 260 states have call predecessors, (847), 260 states have return successors, (847), 792 states have call predecessors, (847), 847 states have call successors, (847) [2022-10-15 21:28:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6366 transitions. [2022-10-15 21:28:32,246 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6366 transitions. Word has length 62 [2022-10-15 21:28:32,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:32,247 INFO L495 AbstractCegarLoop]: Abstraction has 4517 states and 6366 transitions. [2022-10-15 21:28:32,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-15 21:28:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6366 transitions. [2022-10-15 21:28:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-15 21:28:32,250 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:32,250 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:32,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:32,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:32,463 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:32,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1863872835, now seen corresponding path program 2 times [2022-10-15 21:28:32,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:32,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496466111] [2022-10-15 21:28:32,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:28:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:28:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:28:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-10-15 21:28:33,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:33,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496466111] [2022-10-15 21:28:33,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496466111] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:33,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555037605] [2022-10-15 21:28:33,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 21:28:33,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:33,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:33,434 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:33,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:28:33,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 21:28:33,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 21:28:33,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-15 21:28:33,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:28:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:33,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 12 [2022-10-15 21:28:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-15 21:28:34,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-10-15 21:28:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-15 21:28:34,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:28:34,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555037605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:28:34,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:28:34,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 12 [2022-10-15 21:28:34,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578429703] [2022-10-15 21:28:34,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:28:34,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:28:34,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:28:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:28:34,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:28:34,648 INFO L87 Difference]: Start difference. First operand 4517 states and 6366 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:28:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:28:43,985 INFO L93 Difference]: Finished difference Result 5024 states and 7024 transitions. [2022-10-15 21:28:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:28:43,985 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 104 [2022-10-15 21:28:43,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:28:44,020 INFO L225 Difference]: With dead ends: 5024 [2022-10-15 21:28:44,021 INFO L226 Difference]: Without dead ends: 5023 [2022-10-15 21:28:44,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-10-15 21:28:44,025 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 659 mSDsluCounter, 9022 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 71 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:28:44,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 10815 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1345 Invalid, 0 Unknown, 71 Unchecked, 8.9s Time] [2022-10-15 21:28:44,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-10-15 21:28:44,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4981. [2022-10-15 21:28:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4981 states, 3616 states have (on average 1.4148230088495575) internal successors, (5116), 3871 states have internal predecessors, (5116), 941 states have call successors, (941), 296 states have call predecessors, (941), 295 states have return successors, (954), 876 states have call predecessors, (954), 941 states have call successors, (954) [2022-10-15 21:28:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 4981 states and 7011 transitions. [2022-10-15 21:28:44,494 INFO L78 Accepts]: Start accepts. Automaton has 4981 states and 7011 transitions. Word has length 104 [2022-10-15 21:28:44,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:28:44,495 INFO L495 AbstractCegarLoop]: Abstraction has 4981 states and 7011 transitions. [2022-10-15 21:28:44,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 21:28:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 4981 states and 7011 transitions. [2022-10-15 21:28:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-15 21:28:44,497 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:28:44,497 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:28:44,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:28:44,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:44,713 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting pf_resetErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ps_set_intrErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ps_set_intrErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pf_resetErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:28:44,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:28:44,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1945483123, now seen corresponding path program 1 times [2022-10-15 21:28:44,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:28:44,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651524939] [2022-10-15 21:28:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:44,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:28:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:28:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:28:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 21:28:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:28:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-15 21:28:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:28:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-10-15 21:28:45,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:28:45,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651524939] [2022-10-15 21:28:45,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651524939] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:28:45,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240801984] [2022-10-15 21:28:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:28:45,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:28:45,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:28:45,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:28:45,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:28:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:28:45,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 1516 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 21:28:45,845 INFO L286 TraceCheckSpWp]: Computing forward predicates...