./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6fbcf05da5228307460c10a1ab2d8431ff74359811f7e2c9b55e8eaa9db8f14c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 04:49:26,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 04:49:26,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 04:49:26,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 04:49:26,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 04:49:26,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 04:49:26,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 04:49:26,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 04:49:26,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 04:49:26,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 04:49:26,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 04:49:26,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 04:49:26,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 04:49:26,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 04:49:26,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 04:49:26,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 04:49:26,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 04:49:26,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 04:49:26,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 04:49:26,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 04:49:26,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 04:49:26,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 04:49:26,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 04:49:26,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 04:49:26,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 04:49:26,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 04:49:26,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 04:49:26,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 04:49:26,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 04:49:26,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 04:49:26,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 04:49:26,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 04:49:26,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 04:49:26,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 04:49:26,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 04:49:26,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 04:49:26,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 04:49:26,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 04:49:26,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 04:49:26,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 04:49:26,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 04:49:26,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 04:49:26,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 04:49:26,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 04:49:26,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 04:49:26,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 04:49:26,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 04:49:26,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 04:49:26,285 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 04:49:26,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 04:49:26,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 04:49:26,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 04:49:26,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 04:49:26,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 04:49:26,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 04:49:26,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 04:49:26,287 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 04:49:26,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 04:49:26,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:49:26,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 04:49:26,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 04:49:26,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 04:49:26,289 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 04:49:26,289 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 04:49:26,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 04:49:26,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 04:49:26,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fbcf05da5228307460c10a1ab2d8431ff74359811f7e2c9b55e8eaa9db8f14c [2021-11-23 04:49:26,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 04:49:26,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 04:49:26,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 04:49:26,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 04:49:26,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 04:49:26,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2021-11-23 04:49:26,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968a47494/24a0f68972894affb0e633087b4e701f/FLAG6124d6861 [2021-11-23 04:49:27,085 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 04:49:27,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2021-11-23 04:49:27,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968a47494/24a0f68972894affb0e633087b4e701f/FLAG6124d6861 [2021-11-23 04:49:27,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968a47494/24a0f68972894affb0e633087b4e701f [2021-11-23 04:49:27,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 04:49:27,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 04:49:27,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 04:49:27,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 04:49:27,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 04:49:27,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:27" (1/1) ... [2021-11-23 04:49:27,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c2094e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:27, skipping insertion in model container [2021-11-23 04:49:27,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:49:27" (1/1) ... [2021-11-23 04:49:27,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 04:49:27,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 04:49:29,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2021-11-23 04:49:29,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2021-11-23 04:49:29,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2021-11-23 04:49:29,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2021-11-23 04:49:29,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2021-11-23 04:49:29,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2021-11-23 04:49:29,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2021-11-23 04:49:29,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2021-11-23 04:49:29,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2021-11-23 04:49:29,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2021-11-23 04:49:29,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2021-11-23 04:49:29,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2021-11-23 04:49:29,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2021-11-23 04:49:29,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2021-11-23 04:49:29,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2021-11-23 04:49:29,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2021-11-23 04:49:29,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2021-11-23 04:49:29,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2021-11-23 04:49:29,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2021-11-23 04:49:29,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2021-11-23 04:49:29,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2021-11-23 04:49:29,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2021-11-23 04:49:29,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2021-11-23 04:49:29,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2021-11-23 04:49:29,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2021-11-23 04:49:29,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2021-11-23 04:49:29,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2021-11-23 04:49:29,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2021-11-23 04:49:29,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2021-11-23 04:49:29,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2021-11-23 04:49:29,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2021-11-23 04:49:29,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2021-11-23 04:49:29,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2021-11-23 04:49:29,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2021-11-23 04:49:29,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2021-11-23 04:49:29,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2021-11-23 04:49:29,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2021-11-23 04:49:29,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2021-11-23 04:49:29,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2021-11-23 04:49:29,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2021-11-23 04:49:29,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2021-11-23 04:49:29,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2021-11-23 04:49:29,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2021-11-23 04:49:29,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2021-11-23 04:49:29,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2021-11-23 04:49:29,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2021-11-23 04:49:29,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2021-11-23 04:49:29,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2021-11-23 04:49:29,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2021-11-23 04:49:29,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2021-11-23 04:49:29,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2021-11-23 04:49:29,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2021-11-23 04:49:29,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2021-11-23 04:49:29,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2021-11-23 04:49:29,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2021-11-23 04:49:29,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2021-11-23 04:49:29,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2021-11-23 04:49:29,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2021-11-23 04:49:29,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2021-11-23 04:49:29,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2021-11-23 04:49:29,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2021-11-23 04:49:29,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2021-11-23 04:49:29,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2021-11-23 04:49:29,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2021-11-23 04:49:29,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2021-11-23 04:49:29,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2021-11-23 04:49:29,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2021-11-23 04:49:29,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2021-11-23 04:49:29,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2021-11-23 04:49:29,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2021-11-23 04:49:29,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2021-11-23 04:49:29,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2021-11-23 04:49:29,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2021-11-23 04:49:29,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2021-11-23 04:49:29,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2021-11-23 04:49:29,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2021-11-23 04:49:29,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2021-11-23 04:49:29,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2021-11-23 04:49:29,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2021-11-23 04:49:29,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2021-11-23 04:49:29,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2021-11-23 04:49:29,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2021-11-23 04:49:29,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2021-11-23 04:49:29,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2021-11-23 04:49:29,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2021-11-23 04:49:29,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2021-11-23 04:49:29,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2021-11-23 04:49:29,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2021-11-23 04:49:29,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:49:29,339 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 04:49:29,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2021-11-23 04:49:29,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2021-11-23 04:49:29,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2021-11-23 04:49:29,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2021-11-23 04:49:29,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2021-11-23 04:49:29,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2021-11-23 04:49:29,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2021-11-23 04:49:29,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2021-11-23 04:49:29,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2021-11-23 04:49:29,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2021-11-23 04:49:29,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2021-11-23 04:49:29,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2021-11-23 04:49:29,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2021-11-23 04:49:29,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2021-11-23 04:49:29,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2021-11-23 04:49:29,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2021-11-23 04:49:29,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2021-11-23 04:49:29,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2021-11-23 04:49:29,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2021-11-23 04:49:29,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2021-11-23 04:49:29,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2021-11-23 04:49:29,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2021-11-23 04:49:29,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2021-11-23 04:49:29,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2021-11-23 04:49:29,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2021-11-23 04:49:29,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2021-11-23 04:49:29,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2021-11-23 04:49:29,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2021-11-23 04:49:29,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2021-11-23 04:49:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2021-11-23 04:49:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2021-11-23 04:49:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2021-11-23 04:49:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2021-11-23 04:49:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2021-11-23 04:49:29,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2021-11-23 04:49:29,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2021-11-23 04:49:29,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2021-11-23 04:49:29,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2021-11-23 04:49:29,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2021-11-23 04:49:29,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2021-11-23 04:49:29,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2021-11-23 04:49:29,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2021-11-23 04:49:29,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2021-11-23 04:49:29,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2021-11-23 04:49:29,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2021-11-23 04:49:29,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2021-11-23 04:49:29,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2021-11-23 04:49:29,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2021-11-23 04:49:29,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2021-11-23 04:49:29,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2021-11-23 04:49:29,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2021-11-23 04:49:29,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2021-11-23 04:49:29,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2021-11-23 04:49:29,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2021-11-23 04:49:29,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2021-11-23 04:49:29,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2021-11-23 04:49:29,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2021-11-23 04:49:29,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2021-11-23 04:49:29,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2021-11-23 04:49:29,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2021-11-23 04:49:29,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2021-11-23 04:49:29,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2021-11-23 04:49:29,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2021-11-23 04:49:29,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2021-11-23 04:49:29,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2021-11-23 04:49:29,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2021-11-23 04:49:29,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2021-11-23 04:49:29,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2021-11-23 04:49:29,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2021-11-23 04:49:29,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2021-11-23 04:49:29,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2021-11-23 04:49:29,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2021-11-23 04:49:29,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2021-11-23 04:49:29,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2021-11-23 04:49:29,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2021-11-23 04:49:29,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2021-11-23 04:49:29,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2021-11-23 04:49:29,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2021-11-23 04:49:29,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2021-11-23 04:49:29,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2021-11-23 04:49:29,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2021-11-23 04:49:29,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2021-11-23 04:49:29,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2021-11-23 04:49:29,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:49:29,706 INFO L208 MainTranslator]: Completed translation [2021-11-23 04:49:29,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29 WrapperNode [2021-11-23 04:49:29,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 04:49:29,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 04:49:29,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 04:49:29,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 04:49:29,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:29,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:29,945 INFO L137 Inliner]: procedures = 592, calls = 1771, calls flagged for inlining = 930, calls inlined = 1046, statements flattened = 7432 [2021-11-23 04:49:29,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 04:49:29,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 04:49:29,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 04:49:29,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 04:49:29,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:29,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:29,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:29,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:30,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:30,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:30,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:30,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 04:49:30,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 04:49:30,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 04:49:30,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 04:49:30,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (1/1) ... [2021-11-23 04:49:30,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:49:30,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:49:30,187 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) [2021-11-23 04:49:30,203 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 [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 04:49:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 04:49:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 04:49:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 04:49:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 04:49:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 04:49:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 04:49:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 04:49:30,718 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 04:49:30,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 04:49:34,201 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6765: #t~ret706#1 := main_#res#1;assume { :end_inline_main } true; [2021-11-23 04:49:34,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 04:49:34,202 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel#1: assume { :end_inline_ldv_entry_EMGentry_5 } true;main_#res#1 := 0; [2021-11-23 04:49:34,202 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:49:34,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:49:34,213 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 04:49:34,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:49:34 BoogieIcfgContainer [2021-11-23 04:49:34,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:49:34,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:49:34,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:49:34,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:49:34,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:49:27" (1/3) ... [2021-11-23 04:49:34,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a91483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:49:34, skipping insertion in model container [2021-11-23 04:49:34,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:49:29" (2/3) ... [2021-11-23 04:49:34,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a91483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:49:34, skipping insertion in model container [2021-11-23 04:49:34,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:49:34" (3/3) ... [2021-11-23 04:49:34,221 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2021-11-23 04:49:34,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:49:34,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 160 error locations. [2021-11-23 04:49:34,260 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:49:34,263 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 04:49:34,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 160 error locations. [2021-11-23 04:49:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 2107 states, 1947 states have (on average 1.33949666153056) internal successors, (2608), 2106 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 04:49:34,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:34,295 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:49:34,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:34,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:34,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1663429514, now seen corresponding path program 1 times [2021-11-23 04:49:34,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:34,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355686156] [2021-11-23 04:49:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:34,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:34,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:34,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355686156] [2021-11-23 04:49:34,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355686156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:34,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:34,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:34,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121744579] [2021-11-23 04:49:34,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:34,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:34,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:34,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:34,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:34,710 INFO L87 Difference]: Start difference. First operand has 2107 states, 1947 states have (on average 1.33949666153056) internal successors, (2608), 2106 states have internal predecessors, (2608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:34,932 INFO L93 Difference]: Finished difference Result 4123 states and 5099 transitions. [2021-11-23 04:49:34,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:34,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-23 04:49:34,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:34,952 INFO L225 Difference]: With dead ends: 4123 [2021-11-23 04:49:34,952 INFO L226 Difference]: Without dead ends: 1980 [2021-11-23 04:49:34,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:34,963 INFO L933 BasicCegarLoop]: 2440 mSDtfsCounter, 2624 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2624 SdHoareTripleChecker+Valid, 4674 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:34,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2624 Valid, 4674 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:34,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2021-11-23 04:49:35,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1980. [2021-11-23 04:49:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1980 states, 1822 states have (on average 1.2113062568605928) internal successors, (2207), 1979 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2207 transitions. [2021-11-23 04:49:35,061 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2207 transitions. Word has length 31 [2021-11-23 04:49:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:35,061 INFO L470 AbstractCegarLoop]: Abstraction has 1980 states and 2207 transitions. [2021-11-23 04:49:35,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2207 transitions. [2021-11-23 04:49:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 04:49:35,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:35,063 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:49:35,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:49:35,066 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:35,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:35,068 INFO L85 PathProgramCache]: Analyzing trace with hash -97374221, now seen corresponding path program 1 times [2021-11-23 04:49:35,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:35,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7157573] [2021-11-23 04:49:35,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:35,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:35,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:35,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7157573] [2021-11-23 04:49:35,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7157573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:35,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:35,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:35,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703779821] [2021-11-23 04:49:35,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:35,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:35,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:35,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:35,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:35,240 INFO L87 Difference]: Start difference. First operand 1980 states and 2207 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:35,302 INFO L93 Difference]: Finished difference Result 1980 states and 2207 transitions. [2021-11-23 04:49:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:35,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-23 04:49:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:35,308 INFO L225 Difference]: With dead ends: 1980 [2021-11-23 04:49:35,308 INFO L226 Difference]: Without dead ends: 1976 [2021-11-23 04:49:35,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:35,311 INFO L933 BasicCegarLoop]: 2199 mSDtfsCounter, 2360 mSDsluCounter, 2013 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 4212 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:35,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2360 Valid, 4212 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:35,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2021-11-23 04:49:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1976. [2021-11-23 04:49:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1820 states have (on average 1.2104395604395604) internal successors, (2203), 1975 states have internal predecessors, (2203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2203 transitions. [2021-11-23 04:49:35,398 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2203 transitions. Word has length 34 [2021-11-23 04:49:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:35,399 INFO L470 AbstractCegarLoop]: Abstraction has 1976 states and 2203 transitions. [2021-11-23 04:49:35,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2203 transitions. [2021-11-23 04:49:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 04:49:35,400 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:35,400 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:49:35,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 04:49:35,401 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:35,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1765845642, now seen corresponding path program 1 times [2021-11-23 04:49:35,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:35,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707354529] [2021-11-23 04:49:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:35,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:35,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:35,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707354529] [2021-11-23 04:49:35,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707354529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:35,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:35,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:35,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144536734] [2021-11-23 04:49:35,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:35,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:35,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:35,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:35,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:35,550 INFO L87 Difference]: Start difference. First operand 1976 states and 2203 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:35,611 INFO L93 Difference]: Finished difference Result 1976 states and 2203 transitions. [2021-11-23 04:49:35,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:35,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-23 04:49:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:35,617 INFO L225 Difference]: With dead ends: 1976 [2021-11-23 04:49:35,617 INFO L226 Difference]: Without dead ends: 1972 [2021-11-23 04:49:35,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:35,619 INFO L933 BasicCegarLoop]: 2195 mSDtfsCounter, 2343 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:35,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2343 Valid, 4214 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2021-11-23 04:49:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1972. [2021-11-23 04:49:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1818 states have (on average 1.2095709570957096) internal successors, (2199), 1971 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2199 transitions. [2021-11-23 04:49:35,678 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2199 transitions. Word has length 37 [2021-11-23 04:49:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:35,679 INFO L470 AbstractCegarLoop]: Abstraction has 1972 states and 2199 transitions. [2021-11-23 04:49:35,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2199 transitions. [2021-11-23 04:49:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 04:49:35,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:35,684 INFO L514 BasicCegarLoop]: 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] [2021-11-23 04:49:35,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 04:49:35,684 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:35,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:35,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1541420129, now seen corresponding path program 1 times [2021-11-23 04:49:35,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:35,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301172570] [2021-11-23 04:49:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:35,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:35,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:35,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301172570] [2021-11-23 04:49:35,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301172570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:35,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:35,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:35,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688398345] [2021-11-23 04:49:35,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:35,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:35,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:35,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:35,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:35,806 INFO L87 Difference]: Start difference. First operand 1972 states and 2199 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:35,863 INFO L93 Difference]: Finished difference Result 1972 states and 2199 transitions. [2021-11-23 04:49:35,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-23 04:49:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:35,869 INFO L225 Difference]: With dead ends: 1972 [2021-11-23 04:49:35,869 INFO L226 Difference]: Without dead ends: 1968 [2021-11-23 04:49:35,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:35,871 INFO L933 BasicCegarLoop]: 2191 mSDtfsCounter, 2326 mSDsluCounter, 2025 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 4216 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:35,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2326 Valid, 4216 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2021-11-23 04:49:35,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1968. [2021-11-23 04:49:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1968 states, 1816 states have (on average 1.2087004405286343) internal successors, (2195), 1967 states have internal predecessors, (2195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2195 transitions. [2021-11-23 04:49:35,922 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2195 transitions. Word has length 40 [2021-11-23 04:49:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:35,924 INFO L470 AbstractCegarLoop]: Abstraction has 1968 states and 2195 transitions. [2021-11-23 04:49:35,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2195 transitions. [2021-11-23 04:49:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 04:49:35,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:35,925 INFO L514 BasicCegarLoop]: 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, 1, 1] [2021-11-23 04:49:35,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 04:49:35,925 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:35,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:35,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1349936994, now seen corresponding path program 1 times [2021-11-23 04:49:35,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:35,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372589825] [2021-11-23 04:49:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:35,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:36,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:36,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372589825] [2021-11-23 04:49:36,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372589825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:36,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:36,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:36,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703416873] [2021-11-23 04:49:36,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:36,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:36,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:36,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:36,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:36,070 INFO L87 Difference]: Start difference. First operand 1968 states and 2195 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:36,134 INFO L93 Difference]: Finished difference Result 1968 states and 2195 transitions. [2021-11-23 04:49:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:36,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-23 04:49:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:36,140 INFO L225 Difference]: With dead ends: 1968 [2021-11-23 04:49:36,140 INFO L226 Difference]: Without dead ends: 1964 [2021-11-23 04:49:36,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:36,141 INFO L933 BasicCegarLoop]: 2187 mSDtfsCounter, 2309 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:36,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2309 Valid, 4218 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2021-11-23 04:49:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1964. [2021-11-23 04:49:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1964 states, 1814 states have (on average 1.2078280044101433) internal successors, (2191), 1963 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1964 states and 2191 transitions. [2021-11-23 04:49:36,206 INFO L78 Accepts]: Start accepts. Automaton has 1964 states and 2191 transitions. Word has length 43 [2021-11-23 04:49:36,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:36,207 INFO L470 AbstractCegarLoop]: Abstraction has 1964 states and 2191 transitions. [2021-11-23 04:49:36,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2191 transitions. [2021-11-23 04:49:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 04:49:36,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:36,208 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1] [2021-11-23 04:49:36,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 04:49:36,208 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:36,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2094088373, now seen corresponding path program 1 times [2021-11-23 04:49:36,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:36,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099347374] [2021-11-23 04:49:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:36,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:36,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:36,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099347374] [2021-11-23 04:49:36,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099347374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:36,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:36,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:36,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750985187] [2021-11-23 04:49:36,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:36,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:36,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:36,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:36,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:36,304 INFO L87 Difference]: Start difference. First operand 1964 states and 2191 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:36,377 INFO L93 Difference]: Finished difference Result 1964 states and 2191 transitions. [2021-11-23 04:49:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:36,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-23 04:49:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:36,382 INFO L225 Difference]: With dead ends: 1964 [2021-11-23 04:49:36,383 INFO L226 Difference]: Without dead ends: 1960 [2021-11-23 04:49:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:36,384 INFO L933 BasicCegarLoop]: 2183 mSDtfsCounter, 2292 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 4220 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:36,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2292 Valid, 4220 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:36,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2021-11-23 04:49:36,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1960. [2021-11-23 04:49:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1960 states, 1812 states have (on average 1.2069536423841059) internal successors, (2187), 1959 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1960 states and 2187 transitions. [2021-11-23 04:49:36,437 INFO L78 Accepts]: Start accepts. Automaton has 1960 states and 2187 transitions. Word has length 46 [2021-11-23 04:49:36,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:36,438 INFO L470 AbstractCegarLoop]: Abstraction has 1960 states and 2187 transitions. [2021-11-23 04:49:36,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2187 transitions. [2021-11-23 04:49:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 04:49:36,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:36,439 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:36,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 04:49:36,439 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:36,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:36,439 INFO L85 PathProgramCache]: Analyzing trace with hash -580050610, now seen corresponding path program 1 times [2021-11-23 04:49:36,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:36,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385658559] [2021-11-23 04:49:36,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:36,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:36,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:36,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385658559] [2021-11-23 04:49:36,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385658559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:36,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:36,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:36,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770514318] [2021-11-23 04:49:36,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:36,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:36,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:36,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:36,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:36,528 INFO L87 Difference]: Start difference. First operand 1960 states and 2187 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:36,605 INFO L93 Difference]: Finished difference Result 1960 states and 2187 transitions. [2021-11-23 04:49:36,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:36,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-23 04:49:36,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:36,611 INFO L225 Difference]: With dead ends: 1960 [2021-11-23 04:49:36,611 INFO L226 Difference]: Without dead ends: 1956 [2021-11-23 04:49:36,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:36,613 INFO L933 BasicCegarLoop]: 2179 mSDtfsCounter, 2275 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:36,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2275 Valid, 4222 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:36,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2021-11-23 04:49:36,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1956. [2021-11-23 04:49:36,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1810 states have (on average 1.2060773480662983) internal successors, (2183), 1955 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2183 transitions. [2021-11-23 04:49:36,670 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2183 transitions. Word has length 49 [2021-11-23 04:49:36,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:36,671 INFO L470 AbstractCegarLoop]: Abstraction has 1956 states and 2183 transitions. [2021-11-23 04:49:36,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2183 transitions. [2021-11-23 04:49:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 04:49:36,672 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:36,672 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:36,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 04:49:36,673 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:36,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:36,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1627583753, now seen corresponding path program 1 times [2021-11-23 04:49:36,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:36,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038074659] [2021-11-23 04:49:36,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:36,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:36,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:36,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038074659] [2021-11-23 04:49:36,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038074659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:36,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:36,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:36,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830554519] [2021-11-23 04:49:36,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:36,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:36,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:36,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:36,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:36,765 INFO L87 Difference]: Start difference. First operand 1956 states and 2183 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:36,834 INFO L93 Difference]: Finished difference Result 1956 states and 2183 transitions. [2021-11-23 04:49:36,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:36,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-23 04:49:36,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:36,840 INFO L225 Difference]: With dead ends: 1956 [2021-11-23 04:49:36,840 INFO L226 Difference]: Without dead ends: 1952 [2021-11-23 04:49:36,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:36,841 INFO L933 BasicCegarLoop]: 2175 mSDtfsCounter, 2258 mSDsluCounter, 2049 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:36,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2258 Valid, 4224 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:36,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1952 states. [2021-11-23 04:49:36,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1952 to 1952. [2021-11-23 04:49:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1808 states have (on average 1.2051991150442478) internal successors, (2179), 1951 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2179 transitions. [2021-11-23 04:49:36,902 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2179 transitions. Word has length 52 [2021-11-23 04:49:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:36,902 INFO L470 AbstractCegarLoop]: Abstraction has 1952 states and 2179 transitions. [2021-11-23 04:49:36,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2179 transitions. [2021-11-23 04:49:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 04:49:36,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:36,903 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:36,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 04:49:36,903 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:36,904 INFO L85 PathProgramCache]: Analyzing trace with hash -739674214, now seen corresponding path program 1 times [2021-11-23 04:49:36,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:36,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629769648] [2021-11-23 04:49:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:36,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:36,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:36,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629769648] [2021-11-23 04:49:36,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629769648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:36,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:36,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:36,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564576197] [2021-11-23 04:49:36,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:36,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:36,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:36,990 INFO L87 Difference]: Start difference. First operand 1952 states and 2179 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:37,085 INFO L93 Difference]: Finished difference Result 1952 states and 2179 transitions. [2021-11-23 04:49:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:37,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-23 04:49:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:37,091 INFO L225 Difference]: With dead ends: 1952 [2021-11-23 04:49:37,091 INFO L226 Difference]: Without dead ends: 1948 [2021-11-23 04:49:37,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:37,092 INFO L933 BasicCegarLoop]: 2171 mSDtfsCounter, 2244 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 4224 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:37,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2244 Valid, 4224 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1948 states. [2021-11-23 04:49:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1948 to 1948. [2021-11-23 04:49:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1806 states have (on average 1.2043189368770764) internal successors, (2175), 1947 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2175 transitions. [2021-11-23 04:49:37,167 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2175 transitions. Word has length 54 [2021-11-23 04:49:37,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:37,167 INFO L470 AbstractCegarLoop]: Abstraction has 1948 states and 2175 transitions. [2021-11-23 04:49:37,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2175 transitions. [2021-11-23 04:49:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 04:49:37,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:37,168 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:37,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 04:49:37,169 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2037245296, now seen corresponding path program 1 times [2021-11-23 04:49:37,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:37,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208618198] [2021-11-23 04:49:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:37,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:37,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:37,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208618198] [2021-11-23 04:49:37,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208618198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:37,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:37,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:37,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592080251] [2021-11-23 04:49:37,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:37,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:37,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:37,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:37,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:37,269 INFO L87 Difference]: Start difference. First operand 1948 states and 2175 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:37,423 INFO L93 Difference]: Finished difference Result 2342 states and 2583 transitions. [2021-11-23 04:49:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:37,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-11-23 04:49:37,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:37,429 INFO L225 Difference]: With dead ends: 2342 [2021-11-23 04:49:37,429 INFO L226 Difference]: Without dead ends: 2336 [2021-11-23 04:49:37,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:37,430 INFO L933 BasicCegarLoop]: 2569 mSDtfsCounter, 3248 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:37,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3248 Valid, 3969 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2021-11-23 04:49:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 1942. [2021-11-23 04:49:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1803 states have (on average 1.2029950083194676) internal successors, (2169), 1941 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2169 transitions. [2021-11-23 04:49:37,528 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2169 transitions. Word has length 56 [2021-11-23 04:49:37,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:37,529 INFO L470 AbstractCegarLoop]: Abstraction has 1942 states and 2169 transitions. [2021-11-23 04:49:37,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2169 transitions. [2021-11-23 04:49:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 04:49:37,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:37,530 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:37,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 04:49:37,530 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:37,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:37,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1849415297, now seen corresponding path program 1 times [2021-11-23 04:49:37,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:37,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990859213] [2021-11-23 04:49:37,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:37,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:37,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:37,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990859213] [2021-11-23 04:49:37,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990859213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:37,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:37,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:37,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245915387] [2021-11-23 04:49:37,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:37,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:37,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:37,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:37,622 INFO L87 Difference]: Start difference. First operand 1942 states and 2169 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:37,722 INFO L93 Difference]: Finished difference Result 1942 states and 2169 transitions. [2021-11-23 04:49:37,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:37,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-23 04:49:37,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:37,728 INFO L225 Difference]: With dead ends: 1942 [2021-11-23 04:49:37,728 INFO L226 Difference]: Without dead ends: 1938 [2021-11-23 04:49:37,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:37,730 INFO L933 BasicCegarLoop]: 2161 mSDtfsCounter, 2221 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:37,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2221 Valid, 4214 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:37,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-11-23 04:49:37,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1938. [2021-11-23 04:49:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1801 states have (on average 1.2021099389228207) internal successors, (2165), 1937 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2165 transitions. [2021-11-23 04:49:37,822 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2165 transitions. Word has length 57 [2021-11-23 04:49:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:37,822 INFO L470 AbstractCegarLoop]: Abstraction has 1938 states and 2165 transitions. [2021-11-23 04:49:37,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2165 transitions. [2021-11-23 04:49:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 04:49:37,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:37,823 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:37,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 04:49:37,823 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:37,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:37,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1895075903, now seen corresponding path program 1 times [2021-11-23 04:49:37,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:37,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237226935] [2021-11-23 04:49:37,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:37,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:37,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:37,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:37,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237226935] [2021-11-23 04:49:37,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237226935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:37,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:37,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:37,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106996571] [2021-11-23 04:49:37,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:37,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:49:37,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:49:37,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:49:37,917 INFO L87 Difference]: Start difference. First operand 1938 states and 2165 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:38,023 INFO L93 Difference]: Finished difference Result 3442 states and 3833 transitions. [2021-11-23 04:49:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:49:38,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-23 04:49:38,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:38,028 INFO L225 Difference]: With dead ends: 3442 [2021-11-23 04:49:38,028 INFO L226 Difference]: Without dead ends: 1934 [2021-11-23 04:49:38,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:49:38,031 INFO L933 BasicCegarLoop]: 2159 mSDtfsCounter, 2148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 2159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:38,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2148 Valid, 2159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:38,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2021-11-23 04:49:38,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1934. [2021-11-23 04:49:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1934 states, 1798 states have (on average 1.2013348164627364) internal successors, (2160), 1933 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 2160 transitions. [2021-11-23 04:49:38,119 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 2160 transitions. Word has length 59 [2021-11-23 04:49:38,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:38,119 INFO L470 AbstractCegarLoop]: Abstraction has 1934 states and 2160 transitions. [2021-11-23 04:49:38,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2160 transitions. [2021-11-23 04:49:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 04:49:38,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:38,121 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:38,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 04:49:38,121 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:38,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1891913333, now seen corresponding path program 1 times [2021-11-23 04:49:38,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:38,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137750335] [2021-11-23 04:49:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:38,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:38,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:38,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137750335] [2021-11-23 04:49:38,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137750335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:38,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:38,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:38,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87845475] [2021-11-23 04:49:38,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:38,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:38,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:38,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:38,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:38,236 INFO L87 Difference]: Start difference. First operand 1934 states and 2160 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:38,426 INFO L93 Difference]: Finished difference Result 2210 states and 2442 transitions. [2021-11-23 04:49:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:38,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 04:49:38,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:38,432 INFO L225 Difference]: With dead ends: 2210 [2021-11-23 04:49:38,432 INFO L226 Difference]: Without dead ends: 2190 [2021-11-23 04:49:38,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:38,433 INFO L933 BasicCegarLoop]: 2386 mSDtfsCounter, 3612 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3612 SdHoareTripleChecker+Valid, 3190 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:38,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3612 Valid, 3190 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:38,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2190 states. [2021-11-23 04:49:38,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2190 to 1914. [2021-11-23 04:49:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1788 states have (on average 1.196868008948546) internal successors, (2140), 1913 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2140 transitions. [2021-11-23 04:49:38,509 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2140 transitions. Word has length 60 [2021-11-23 04:49:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:38,510 INFO L470 AbstractCegarLoop]: Abstraction has 1914 states and 2140 transitions. [2021-11-23 04:49:38,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2140 transitions. [2021-11-23 04:49:38,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 04:49:38,514 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:38,514 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:38,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 04:49:38,514 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:38,515 INFO L85 PathProgramCache]: Analyzing trace with hash 97380550, now seen corresponding path program 1 times [2021-11-23 04:49:38,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:38,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374667986] [2021-11-23 04:49:38,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:38,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:38,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:38,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374667986] [2021-11-23 04:49:38,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374667986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:38,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:38,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:38,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416995661] [2021-11-23 04:49:38,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:38,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:38,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:38,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:38,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:38,605 INFO L87 Difference]: Start difference. First operand 1914 states and 2140 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:38,690 INFO L93 Difference]: Finished difference Result 1914 states and 2140 transitions. [2021-11-23 04:49:38,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:38,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 04:49:38,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:38,701 INFO L225 Difference]: With dead ends: 1914 [2021-11-23 04:49:38,701 INFO L226 Difference]: Without dead ends: 1910 [2021-11-23 04:49:38,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:38,702 INFO L933 BasicCegarLoop]: 2132 mSDtfsCounter, 2179 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2179 SdHoareTripleChecker+Valid, 4166 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:38,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2179 Valid, 4166 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1910 states. [2021-11-23 04:49:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1910 to 1910. [2021-11-23 04:49:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1786 states have (on average 1.1959686450167972) internal successors, (2136), 1909 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2136 transitions. [2021-11-23 04:49:38,778 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2136 transitions. Word has length 60 [2021-11-23 04:49:38,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:38,778 INFO L470 AbstractCegarLoop]: Abstraction has 1910 states and 2136 transitions. [2021-11-23 04:49:38,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:38,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2136 transitions. [2021-11-23 04:49:38,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 04:49:38,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:38,779 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:38,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 04:49:38,780 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:38,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:38,780 INFO L85 PathProgramCache]: Analyzing trace with hash 373712441, now seen corresponding path program 1 times [2021-11-23 04:49:38,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:38,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779655270] [2021-11-23 04:49:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:38,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:38,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:38,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779655270] [2021-11-23 04:49:38,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779655270] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:38,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:38,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:38,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946475780] [2021-11-23 04:49:38,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:38,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:49:38,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:38,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:49:38,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:38,909 INFO L87 Difference]: Start difference. First operand 1910 states and 2136 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:39,165 INFO L93 Difference]: Finished difference Result 4981 states and 5532 transitions. [2021-11-23 04:49:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:39,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 04:49:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:39,178 INFO L225 Difference]: With dead ends: 4981 [2021-11-23 04:49:39,179 INFO L226 Difference]: Without dead ends: 3141 [2021-11-23 04:49:39,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:49:39,183 INFO L933 BasicCegarLoop]: 3403 mSDtfsCounter, 6087 mSDsluCounter, 2826 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6087 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:39,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6087 Valid, 6229 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:39,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2021-11-23 04:49:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 1910. [2021-11-23 04:49:39,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1910 states, 1786 states have (on average 1.1864501679731243) internal successors, (2119), 1909 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2119 transitions. [2021-11-23 04:49:39,278 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2119 transitions. Word has length 60 [2021-11-23 04:49:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:39,278 INFO L470 AbstractCegarLoop]: Abstraction has 1910 states and 2119 transitions. [2021-11-23 04:49:39,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2119 transitions. [2021-11-23 04:49:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 04:49:39,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:39,279 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:39,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 04:49:39,279 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:39,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 373772023, now seen corresponding path program 1 times [2021-11-23 04:49:39,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:39,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810956282] [2021-11-23 04:49:39,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:39,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:39,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:39,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810956282] [2021-11-23 04:49:39,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810956282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:39,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:39,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:39,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785497092] [2021-11-23 04:49:39,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:39,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:39,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:39,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:39,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:39,384 INFO L87 Difference]: Start difference. First operand 1910 states and 2119 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:39,669 INFO L93 Difference]: Finished difference Result 3162 states and 3482 transitions. [2021-11-23 04:49:39,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:39,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-23 04:49:39,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:39,676 INFO L225 Difference]: With dead ends: 3162 [2021-11-23 04:49:39,677 INFO L226 Difference]: Without dead ends: 3128 [2021-11-23 04:49:39,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:39,678 INFO L933 BasicCegarLoop]: 3407 mSDtfsCounter, 3934 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3934 SdHoareTripleChecker+Valid, 6281 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:39,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3934 Valid, 6281 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2021-11-23 04:49:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 1876. [2021-11-23 04:49:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1769 states have (on average 1.178631995477671) internal successors, (2085), 1875 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2085 transitions. [2021-11-23 04:49:39,779 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2085 transitions. Word has length 60 [2021-11-23 04:49:39,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:39,780 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2085 transitions. [2021-11-23 04:49:39,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2085 transitions. [2021-11-23 04:49:39,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 04:49:39,781 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:39,781 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:39,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 04:49:39,781 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:39,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1967792877, now seen corresponding path program 1 times [2021-11-23 04:49:39,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:39,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146080969] [2021-11-23 04:49:39,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:39,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:39,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146080969] [2021-11-23 04:49:39,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146080969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:39,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:39,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:39,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901672192] [2021-11-23 04:49:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:39,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:39,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:39,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:39,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:39,862 INFO L87 Difference]: Start difference. First operand 1876 states and 2085 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:39,991 INFO L93 Difference]: Finished difference Result 1876 states and 2085 transitions. [2021-11-23 04:49:39,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:39,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-23 04:49:39,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:39,995 INFO L225 Difference]: With dead ends: 1876 [2021-11-23 04:49:39,995 INFO L226 Difference]: Without dead ends: 1872 [2021-11-23 04:49:39,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:39,996 INFO L933 BasicCegarLoop]: 2077 mSDtfsCounter, 2111 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2111 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:39,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2111 Valid, 4066 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:39,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2021-11-23 04:49:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1872. [2021-11-23 04:49:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1872 states, 1767 states have (on average 1.1777023203169212) internal successors, (2081), 1871 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2081 transitions. [2021-11-23 04:49:40,163 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2081 transitions. Word has length 63 [2021-11-23 04:49:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:40,163 INFO L470 AbstractCegarLoop]: Abstraction has 1872 states and 2081 transitions. [2021-11-23 04:49:40,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2081 transitions. [2021-11-23 04:49:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 04:49:40,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:40,165 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:40,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 04:49:40,165 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:40,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:40,165 INFO L85 PathProgramCache]: Analyzing trace with hash -924163790, now seen corresponding path program 1 times [2021-11-23 04:49:40,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:40,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222039998] [2021-11-23 04:49:40,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:40,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:40,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:40,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222039998] [2021-11-23 04:49:40,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222039998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:40,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:40,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:49:40,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955402575] [2021-11-23 04:49:40,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:40,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:49:40,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:49:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:40,264 INFO L87 Difference]: Start difference. First operand 1872 states and 2081 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:40,442 INFO L93 Difference]: Finished difference Result 3377 states and 3744 transitions. [2021-11-23 04:49:40,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:40,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-23 04:49:40,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:40,445 INFO L225 Difference]: With dead ends: 3377 [2021-11-23 04:49:40,446 INFO L226 Difference]: Without dead ends: 1917 [2021-11-23 04:49:40,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:49:40,448 INFO L933 BasicCegarLoop]: 2126 mSDtfsCounter, 6200 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6200 SdHoareTripleChecker+Valid, 2224 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:40,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6200 Valid, 2224 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:40,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2021-11-23 04:49:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1868. [2021-11-23 04:49:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1868 states, 1764 states have (on average 1.1768707482993197) internal successors, (2076), 1867 states have internal predecessors, (2076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2076 transitions. [2021-11-23 04:49:40,551 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2076 transitions. Word has length 63 [2021-11-23 04:49:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:40,551 INFO L470 AbstractCegarLoop]: Abstraction has 1868 states and 2076 transitions. [2021-11-23 04:49:40,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2076 transitions. [2021-11-23 04:49:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 04:49:40,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:40,552 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:40,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 04:49:40,553 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash -81893059, now seen corresponding path program 1 times [2021-11-23 04:49:40,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:40,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728753816] [2021-11-23 04:49:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:40,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:40,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:40,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728753816] [2021-11-23 04:49:40,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728753816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:40,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:40,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 04:49:40,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206198030] [2021-11-23 04:49:40,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:40,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:49:40,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:40,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:49:40,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:49:40,653 INFO L87 Difference]: Start difference. First operand 1868 states and 2076 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:40,814 INFO L93 Difference]: Finished difference Result 3593 states and 3997 transitions. [2021-11-23 04:49:40,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:49:40,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-23 04:49:40,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:40,817 INFO L225 Difference]: With dead ends: 3593 [2021-11-23 04:49:40,817 INFO L226 Difference]: Without dead ends: 1800 [2021-11-23 04:49:40,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:49:40,820 INFO L933 BasicCegarLoop]: 1974 mSDtfsCounter, 1930 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:40,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1930 Valid, 1974 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:40,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2021-11-23 04:49:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1800. [2021-11-23 04:49:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1713 states have (on average 1.1622883829538821) internal successors, (1991), 1799 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 1991 transitions. [2021-11-23 04:49:40,927 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 1991 transitions. Word has length 64 [2021-11-23 04:49:40,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:40,928 INFO L470 AbstractCegarLoop]: Abstraction has 1800 states and 1991 transitions. [2021-11-23 04:49:40,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 1991 transitions. [2021-11-23 04:49:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 04:49:40,928 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:40,929 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:40,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-23 04:49:40,929 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:40,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:40,929 INFO L85 PathProgramCache]: Analyzing trace with hash 515740146, now seen corresponding path program 1 times [2021-11-23 04:49:40,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:40,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659553196] [2021-11-23 04:49:40,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:40,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:41,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:41,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:41,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659553196] [2021-11-23 04:49:41,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659553196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:41,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:41,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:41,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351108780] [2021-11-23 04:49:41,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:41,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:41,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:41,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:41,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:41,019 INFO L87 Difference]: Start difference. First operand 1800 states and 1991 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:41,142 INFO L93 Difference]: Finished difference Result 1800 states and 1991 transitions. [2021-11-23 04:49:41,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:41,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-11-23 04:49:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:41,145 INFO L225 Difference]: With dead ends: 1800 [2021-11-23 04:49:41,145 INFO L226 Difference]: Without dead ends: 1796 [2021-11-23 04:49:41,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:41,147 INFO L933 BasicCegarLoop]: 1983 mSDtfsCounter, 2004 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 3888 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:41,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 3888 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:41,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2021-11-23 04:49:41,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1796. [2021-11-23 04:49:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1711 states have (on average 1.1613091759205143) internal successors, (1987), 1795 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 1987 transitions. [2021-11-23 04:49:41,256 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 1987 transitions. Word has length 66 [2021-11-23 04:49:41,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:41,256 INFO L470 AbstractCegarLoop]: Abstraction has 1796 states and 1987 transitions. [2021-11-23 04:49:41,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 1987 transitions. [2021-11-23 04:49:41,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 04:49:41,257 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:41,257 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:41,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-23 04:49:41,257 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1323448153, now seen corresponding path program 1 times [2021-11-23 04:49:41,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:41,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120708367] [2021-11-23 04:49:41,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:41,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:41,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:41,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120708367] [2021-11-23 04:49:41,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120708367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:41,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:41,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:41,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334873463] [2021-11-23 04:49:41,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:41,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:41,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:41,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:41,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:41,340 INFO L87 Difference]: Start difference. First operand 1796 states and 1987 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:41,494 INFO L93 Difference]: Finished difference Result 1796 states and 1987 transitions. [2021-11-23 04:49:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:41,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-23 04:49:41,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:41,497 INFO L225 Difference]: With dead ends: 1796 [2021-11-23 04:49:41,497 INFO L226 Difference]: Without dead ends: 1792 [2021-11-23 04:49:41,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:41,498 INFO L933 BasicCegarLoop]: 1979 mSDtfsCounter, 1987 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 3890 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:41,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1987 Valid, 3890 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2021-11-23 04:49:41,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1792. [2021-11-23 04:49:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1709 states have (on average 1.160327677004096) internal successors, (1983), 1791 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 1983 transitions. [2021-11-23 04:49:41,611 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 1983 transitions. Word has length 69 [2021-11-23 04:49:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:41,611 INFO L470 AbstractCegarLoop]: Abstraction has 1792 states and 1983 transitions. [2021-11-23 04:49:41,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 1983 transitions. [2021-11-23 04:49:41,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 04:49:41,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:41,613 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:41,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-23 04:49:41,613 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash 441613056, now seen corresponding path program 1 times [2021-11-23 04:49:41,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:41,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246065449] [2021-11-23 04:49:41,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:41,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:41,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:41,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246065449] [2021-11-23 04:49:41,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246065449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:41,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:41,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:41,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69203255] [2021-11-23 04:49:41,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:41,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:41,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:41,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:41,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:41,706 INFO L87 Difference]: Start difference. First operand 1792 states and 1983 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:42,246 INFO L93 Difference]: Finished difference Result 2117 states and 2323 transitions. [2021-11-23 04:49:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:42,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2021-11-23 04:49:42,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:42,250 INFO L225 Difference]: With dead ends: 2117 [2021-11-23 04:49:42,251 INFO L226 Difference]: Without dead ends: 2097 [2021-11-23 04:49:42,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:42,253 INFO L933 BasicCegarLoop]: 2267 mSDtfsCounter, 1653 mSDsluCounter, 2764 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1653 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:42,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1653 Valid, 5031 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 04:49:42,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2021-11-23 04:49:42,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 1772. [2021-11-23 04:49:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1772 states, 1699 states have (on average 1.155385520894644) internal successors, (1963), 1771 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 1963 transitions. [2021-11-23 04:49:42,398 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 1963 transitions. Word has length 70 [2021-11-23 04:49:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:42,398 INFO L470 AbstractCegarLoop]: Abstraction has 1772 states and 1963 transitions. [2021-11-23 04:49:42,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 1963 transitions. [2021-11-23 04:49:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 04:49:42,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:42,399 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:42,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-23 04:49:42,400 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:42,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash -949062882, now seen corresponding path program 1 times [2021-11-23 04:49:42,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:42,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404384433] [2021-11-23 04:49:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:42,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:42,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:42,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404384433] [2021-11-23 04:49:42,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404384433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:42,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:42,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:42,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182186799] [2021-11-23 04:49:42,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:42,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:42,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:42,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:42,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:42,490 INFO L87 Difference]: Start difference. First operand 1772 states and 1963 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:42,626 INFO L93 Difference]: Finished difference Result 1772 states and 1963 transitions. [2021-11-23 04:49:42,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:42,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-23 04:49:42,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:42,630 INFO L225 Difference]: With dead ends: 1772 [2021-11-23 04:49:42,630 INFO L226 Difference]: Without dead ends: 1768 [2021-11-23 04:49:42,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:42,631 INFO L933 BasicCegarLoop]: 1955 mSDtfsCounter, 1950 mSDsluCounter, 1897 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:42,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1950 Valid, 3852 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:42,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2021-11-23 04:49:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1768. [2021-11-23 04:49:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1768 states, 1697 states have (on average 1.1543901001767825) internal successors, (1959), 1767 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1768 states and 1959 transitions. [2021-11-23 04:49:42,752 INFO L78 Accepts]: Start accepts. Automaton has 1768 states and 1959 transitions. Word has length 72 [2021-11-23 04:49:42,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:42,752 INFO L470 AbstractCegarLoop]: Abstraction has 1768 states and 1959 transitions. [2021-11-23 04:49:42,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:42,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 1959 transitions. [2021-11-23 04:49:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 04:49:42,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:42,753 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:42,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-23 04:49:42,754 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:42,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:42,754 INFO L85 PathProgramCache]: Analyzing trace with hash 244192197, now seen corresponding path program 1 times [2021-11-23 04:49:42,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:42,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699954498] [2021-11-23 04:49:42,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:42,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:42,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699954498] [2021-11-23 04:49:42,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699954498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:42,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:42,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:42,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054847492] [2021-11-23 04:49:42,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:42,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:42,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:42,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:42,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:42,849 INFO L87 Difference]: Start difference. First operand 1768 states and 1959 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:43,029 INFO L93 Difference]: Finished difference Result 1768 states and 1959 transitions. [2021-11-23 04:49:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-23 04:49:43,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:43,033 INFO L225 Difference]: With dead ends: 1768 [2021-11-23 04:49:43,033 INFO L226 Difference]: Without dead ends: 1764 [2021-11-23 04:49:43,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:43,035 INFO L933 BasicCegarLoop]: 1951 mSDtfsCounter, 1933 mSDsluCounter, 1903 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 3854 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:43,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1933 Valid, 3854 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2021-11-23 04:49:43,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1764. [2021-11-23 04:49:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1695 states have (on average 1.1533923303834808) internal successors, (1955), 1763 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 1955 transitions. [2021-11-23 04:49:43,203 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 1955 transitions. Word has length 75 [2021-11-23 04:49:43,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:43,203 INFO L470 AbstractCegarLoop]: Abstraction has 1764 states and 1955 transitions. [2021-11-23 04:49:43,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 1955 transitions. [2021-11-23 04:49:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 04:49:43,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:43,204 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:43,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-23 04:49:43,205 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:43,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:43,205 INFO L85 PathProgramCache]: Analyzing trace with hash -938046390, now seen corresponding path program 1 times [2021-11-23 04:49:43,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:43,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885360513] [2021-11-23 04:49:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:43,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:43,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:43,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885360513] [2021-11-23 04:49:43,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885360513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:43,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:43,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:43,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846597737] [2021-11-23 04:49:43,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:43,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:43,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:43,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:43,293 INFO L87 Difference]: Start difference. First operand 1764 states and 1955 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:43,432 INFO L93 Difference]: Finished difference Result 1764 states and 1955 transitions. [2021-11-23 04:49:43,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:43,433 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-23 04:49:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:43,436 INFO L225 Difference]: With dead ends: 1764 [2021-11-23 04:49:43,436 INFO L226 Difference]: Without dead ends: 1760 [2021-11-23 04:49:43,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:43,437 INFO L933 BasicCegarLoop]: 1947 mSDtfsCounter, 1916 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:43,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1916 Valid, 3856 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:43,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2021-11-23 04:49:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1760. [2021-11-23 04:49:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1760 states, 1693 states have (on average 1.1523922031896043) internal successors, (1951), 1759 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1760 states and 1951 transitions. [2021-11-23 04:49:43,575 INFO L78 Accepts]: Start accepts. Automaton has 1760 states and 1951 transitions. Word has length 78 [2021-11-23 04:49:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:43,576 INFO L470 AbstractCegarLoop]: Abstraction has 1760 states and 1951 transitions. [2021-11-23 04:49:43,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 1951 transitions. [2021-11-23 04:49:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 04:49:43,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:43,577 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:43,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-23 04:49:43,577 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:43,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:43,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1921484713, now seen corresponding path program 1 times [2021-11-23 04:49:43,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:43,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645856757] [2021-11-23 04:49:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:43,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:43,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645856757] [2021-11-23 04:49:43,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645856757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:43,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:43,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:43,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512888152] [2021-11-23 04:49:43,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:43,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:43,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:43,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:43,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:43,670 INFO L87 Difference]: Start difference. First operand 1760 states and 1951 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:44,122 INFO L93 Difference]: Finished difference Result 2127 states and 2337 transitions. [2021-11-23 04:49:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:44,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-23 04:49:44,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:44,126 INFO L225 Difference]: With dead ends: 2127 [2021-11-23 04:49:44,126 INFO L226 Difference]: Without dead ends: 2121 [2021-11-23 04:49:44,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:44,127 INFO L933 BasicCegarLoop]: 2324 mSDtfsCounter, 1449 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 5355 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:44,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1449 Valid, 5355 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:49:44,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2021-11-23 04:49:44,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1754. [2021-11-23 04:49:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1690 states have (on average 1.150887573964497) internal successors, (1945), 1753 states have internal predecessors, (1945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 1945 transitions. [2021-11-23 04:49:44,263 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 1945 transitions. Word has length 81 [2021-11-23 04:49:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:44,264 INFO L470 AbstractCegarLoop]: Abstraction has 1754 states and 1945 transitions. [2021-11-23 04:49:44,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 1945 transitions. [2021-11-23 04:49:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 04:49:44,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:44,265 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:44,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-23 04:49:44,265 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:44,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:44,267 INFO L85 PathProgramCache]: Analyzing trace with hash 2019014705, now seen corresponding path program 1 times [2021-11-23 04:49:44,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:44,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112643800] [2021-11-23 04:49:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:44,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:44,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:44,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112643800] [2021-11-23 04:49:44,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112643800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:44,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:44,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:44,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297793335] [2021-11-23 04:49:44,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:44,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:44,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:44,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:44,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:44,344 INFO L87 Difference]: Start difference. First operand 1754 states and 1945 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:44,486 INFO L93 Difference]: Finished difference Result 1754 states and 1945 transitions. [2021-11-23 04:49:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:44,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-23 04:49:44,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:44,490 INFO L225 Difference]: With dead ends: 1754 [2021-11-23 04:49:44,490 INFO L226 Difference]: Without dead ends: 1750 [2021-11-23 04:49:44,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:44,491 INFO L933 BasicCegarLoop]: 1937 mSDtfsCounter, 1893 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 3846 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:44,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 3846 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:44,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2021-11-23 04:49:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1750. [2021-11-23 04:49:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1750 states, 1688 states have (on average 1.1498815165876777) internal successors, (1941), 1749 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 1941 transitions. [2021-11-23 04:49:44,624 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 1941 transitions. Word has length 81 [2021-11-23 04:49:44,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:44,625 INFO L470 AbstractCegarLoop]: Abstraction has 1750 states and 1941 transitions. [2021-11-23 04:49:44,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 1941 transitions. [2021-11-23 04:49:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 04:49:44,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:44,626 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:44,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-23 04:49:44,626 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:44,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:44,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1323859064, now seen corresponding path program 1 times [2021-11-23 04:49:44,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:44,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116950967] [2021-11-23 04:49:44,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:44,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:44,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:44,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116950967] [2021-11-23 04:49:44,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116950967] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:44,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:44,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:49:44,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822124665] [2021-11-23 04:49:44,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:44,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:49:44,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:44,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:49:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:44,767 INFO L87 Difference]: Start difference. First operand 1750 states and 1941 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:45,124 INFO L93 Difference]: Finished difference Result 3258 states and 3659 transitions. [2021-11-23 04:49:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-23 04:49:45,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:45,128 INFO L225 Difference]: With dead ends: 3258 [2021-11-23 04:49:45,128 INFO L226 Difference]: Without dead ends: 2476 [2021-11-23 04:49:45,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:49:45,130 INFO L933 BasicCegarLoop]: 2024 mSDtfsCounter, 2437 mSDsluCounter, 5804 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 7828 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:45,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2437 Valid, 7828 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2021-11-23 04:49:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 1761. [2021-11-23 04:49:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1699 states have (on average 1.1489111241907004) internal successors, (1952), 1760 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 1952 transitions. [2021-11-23 04:49:45,305 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 1952 transitions. Word has length 84 [2021-11-23 04:49:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:45,305 INFO L470 AbstractCegarLoop]: Abstraction has 1761 states and 1952 transitions. [2021-11-23 04:49:45,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 1952 transitions. [2021-11-23 04:49:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 04:49:45,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:45,307 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:45,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-23 04:49:45,307 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1751899510, now seen corresponding path program 1 times [2021-11-23 04:49:45,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:45,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764040597] [2021-11-23 04:49:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:45,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:45,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:45,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764040597] [2021-11-23 04:49:45,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764040597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:45,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:45,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:45,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862322659] [2021-11-23 04:49:45,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:45,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:45,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:45,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:45,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:45,390 INFO L87 Difference]: Start difference. First operand 1761 states and 1952 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:45,557 INFO L93 Difference]: Finished difference Result 1761 states and 1952 transitions. [2021-11-23 04:49:45,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:45,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-23 04:49:45,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:45,561 INFO L225 Difference]: With dead ends: 1761 [2021-11-23 04:49:45,561 INFO L226 Difference]: Without dead ends: 1757 [2021-11-23 04:49:45,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:45,562 INFO L933 BasicCegarLoop]: 1933 mSDtfsCounter, 1876 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 3848 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:45,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1876 Valid, 3848 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:45,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2021-11-23 04:49:45,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2021-11-23 04:49:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1697 states have (on average 1.1479080730701237) internal successors, (1948), 1756 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 1948 transitions. [2021-11-23 04:49:45,751 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 1948 transitions. Word has length 84 [2021-11-23 04:49:45,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:45,752 INFO L470 AbstractCegarLoop]: Abstraction has 1757 states and 1948 transitions. [2021-11-23 04:49:45,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 1948 transitions. [2021-11-23 04:49:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 04:49:45,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:45,753 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:45,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-23 04:49:45,753 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:45,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:45,754 INFO L85 PathProgramCache]: Analyzing trace with hash 466998135, now seen corresponding path program 1 times [2021-11-23 04:49:45,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:45,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297549208] [2021-11-23 04:49:45,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:45,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:45,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:45,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297549208] [2021-11-23 04:49:45,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297549208] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:45,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:45,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:45,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412108655] [2021-11-23 04:49:45,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:45,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:45,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:45,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:45,846 INFO L87 Difference]: Start difference. First operand 1757 states and 1948 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:46,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:46,167 INFO L93 Difference]: Finished difference Result 2729 states and 3028 transitions. [2021-11-23 04:49:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-11-23 04:49:46,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:46,172 INFO L225 Difference]: With dead ends: 2729 [2021-11-23 04:49:46,172 INFO L226 Difference]: Without dead ends: 2717 [2021-11-23 04:49:46,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:46,173 INFO L933 BasicCegarLoop]: 2411 mSDtfsCounter, 3613 mSDsluCounter, 1818 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3613 SdHoareTripleChecker+Valid, 4229 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:46,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3613 Valid, 4229 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2021-11-23 04:49:46,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2325. [2021-11-23 04:49:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2325 states, 2268 states have (on average 1.15652557319224) internal successors, (2623), 2324 states have internal predecessors, (2623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 2623 transitions. [2021-11-23 04:49:46,424 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 2623 transitions. Word has length 86 [2021-11-23 04:49:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:46,424 INFO L470 AbstractCegarLoop]: Abstraction has 2325 states and 2623 transitions. [2021-11-23 04:49:46,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2623 transitions. [2021-11-23 04:49:46,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 04:49:46,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:46,425 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:46,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-23 04:49:46,426 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:46,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:46,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1597430627, now seen corresponding path program 1 times [2021-11-23 04:49:46,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:46,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199585124] [2021-11-23 04:49:46,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:46,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:46,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:46,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199585124] [2021-11-23 04:49:46,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199585124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:46,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:46,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:46,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106477701] [2021-11-23 04:49:46,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:46,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:46,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:46,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:46,510 INFO L87 Difference]: Start difference. First operand 2325 states and 2623 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:46,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:46,807 INFO L93 Difference]: Finished difference Result 2325 states and 2623 transitions. [2021-11-23 04:49:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:46,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-23 04:49:46,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:46,811 INFO L225 Difference]: With dead ends: 2325 [2021-11-23 04:49:46,812 INFO L226 Difference]: Without dead ends: 2321 [2021-11-23 04:49:46,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:46,813 INFO L933 BasicCegarLoop]: 1923 mSDtfsCounter, 1853 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:46,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1853 Valid, 3838 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:46,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2021-11-23 04:49:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2321. [2021-11-23 04:49:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 2266 states have (on average 1.1557811120917918) internal successors, (2619), 2320 states have internal predecessors, (2619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 2619 transitions. [2021-11-23 04:49:47,054 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 2619 transitions. Word has length 87 [2021-11-23 04:49:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:47,055 INFO L470 AbstractCegarLoop]: Abstraction has 2321 states and 2619 transitions. [2021-11-23 04:49:47,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2619 transitions. [2021-11-23 04:49:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 04:49:47,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:47,056 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:47,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-23 04:49:47,056 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:47,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:47,057 INFO L85 PathProgramCache]: Analyzing trace with hash -811309406, now seen corresponding path program 1 times [2021-11-23 04:49:47,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:47,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868696936] [2021-11-23 04:49:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:47,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:47,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:47,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:47,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868696936] [2021-11-23 04:49:47,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868696936] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:47,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:47,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:47,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754518224] [2021-11-23 04:49:47,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:47,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:47,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:47,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:47,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:47,143 INFO L87 Difference]: Start difference. First operand 2321 states and 2619 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:47,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:47,693 INFO L93 Difference]: Finished difference Result 4485 states and 5059 transitions. [2021-11-23 04:49:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:47,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-23 04:49:47,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:47,701 INFO L225 Difference]: With dead ends: 4485 [2021-11-23 04:49:47,701 INFO L226 Difference]: Without dead ends: 4347 [2021-11-23 04:49:47,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:47,703 INFO L933 BasicCegarLoop]: 2029 mSDtfsCounter, 1824 mSDsluCounter, 3753 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 5782 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:47,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1824 Valid, 5782 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 04:49:47,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2021-11-23 04:49:48,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4223. [2021-11-23 04:49:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4223 states, 4168 states have (on average 1.161228406909789) internal successors, (4840), 4222 states have internal predecessors, (4840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 4223 states and 4840 transitions. [2021-11-23 04:49:48,140 INFO L78 Accepts]: Start accepts. Automaton has 4223 states and 4840 transitions. Word has length 90 [2021-11-23 04:49:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:48,140 INFO L470 AbstractCegarLoop]: Abstraction has 4223 states and 4840 transitions. [2021-11-23 04:49:48,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 4223 states and 4840 transitions. [2021-11-23 04:49:48,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 04:49:48,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:48,141 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:48,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-23 04:49:48,141 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1840971394, now seen corresponding path program 1 times [2021-11-23 04:49:48,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:48,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623490531] [2021-11-23 04:49:48,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:48,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:48,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:48,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623490531] [2021-11-23 04:49:48,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623490531] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:48,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:48,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:48,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955844619] [2021-11-23 04:49:48,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:48,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:48,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:48,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:48,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:48,246 INFO L87 Difference]: Start difference. First operand 4223 states and 4840 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:48,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:48,938 INFO L93 Difference]: Finished difference Result 4999 states and 5670 transitions. [2021-11-23 04:49:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:48,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-11-23 04:49:48,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:48,947 INFO L225 Difference]: With dead ends: 4999 [2021-11-23 04:49:48,947 INFO L226 Difference]: Without dead ends: 4987 [2021-11-23 04:49:48,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:48,948 INFO L933 BasicCegarLoop]: 2904 mSDtfsCounter, 2146 mSDsluCounter, 3325 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2146 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:48,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2146 Valid, 6229 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:49:48,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4987 states. [2021-11-23 04:49:49,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4987 to 4347. [2021-11-23 04:49:49,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4296 states have (on average 1.1634078212290502) internal successors, (4998), 4346 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 4998 transitions. [2021-11-23 04:49:49,313 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 4998 transitions. Word has length 92 [2021-11-23 04:49:49,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:49,314 INFO L470 AbstractCegarLoop]: Abstraction has 4347 states and 4998 transitions. [2021-11-23 04:49:49,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 4998 transitions. [2021-11-23 04:49:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 04:49:49,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:49,315 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:49,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-23 04:49:49,315 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:49,316 INFO L85 PathProgramCache]: Analyzing trace with hash 238098728, now seen corresponding path program 1 times [2021-11-23 04:49:49,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:49,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806139429] [2021-11-23 04:49:49,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:49,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:49,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:49,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806139429] [2021-11-23 04:49:49,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806139429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:49,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:49,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:49,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041891494] [2021-11-23 04:49:49,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:49,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:49,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:49,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:49,451 INFO L87 Difference]: Start difference. First operand 4347 states and 4998 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:49,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:49,939 INFO L93 Difference]: Finished difference Result 4442 states and 5097 transitions. [2021-11-23 04:49:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:49,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-11-23 04:49:49,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:49,947 INFO L225 Difference]: With dead ends: 4442 [2021-11-23 04:49:49,947 INFO L226 Difference]: Without dead ends: 4422 [2021-11-23 04:49:49,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:49,948 INFO L933 BasicCegarLoop]: 1967 mSDtfsCounter, 3112 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:49,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3112 Valid, 2548 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2021-11-23 04:49:50,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4327. [2021-11-23 04:49:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4327 states, 4286 states have (on average 1.1553896406906206) internal successors, (4952), 4326 states have internal predecessors, (4952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 4327 states and 4952 transitions. [2021-11-23 04:49:50,366 INFO L78 Accepts]: Start accepts. Automaton has 4327 states and 4952 transitions. Word has length 99 [2021-11-23 04:49:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:50,368 INFO L470 AbstractCegarLoop]: Abstraction has 4327 states and 4952 transitions. [2021-11-23 04:49:50,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 4952 transitions. [2021-11-23 04:49:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 04:49:50,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:50,374 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:50,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-23 04:49:50,374 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:50,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1088604766, now seen corresponding path program 1 times [2021-11-23 04:49:50,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:50,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907815587] [2021-11-23 04:49:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:50,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:50,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907815587] [2021-11-23 04:49:50,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907815587] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:50,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:50,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:49:50,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694600226] [2021-11-23 04:49:50,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:50,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:50,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:50,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:50,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:50,499 INFO L87 Difference]: Start difference. First operand 4327 states and 4952 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:51,233 INFO L93 Difference]: Finished difference Result 7103 states and 8178 transitions. [2021-11-23 04:49:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:51,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-23 04:49:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:51,247 INFO L225 Difference]: With dead ends: 7103 [2021-11-23 04:49:51,248 INFO L226 Difference]: Without dead ends: 7095 [2021-11-23 04:49:51,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:51,252 INFO L933 BasicCegarLoop]: 2205 mSDtfsCounter, 3954 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3954 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:51,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3954 Valid, 4248 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:49:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2021-11-23 04:49:51,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 5841. [2021-11-23 04:49:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5841 states, 5802 states have (on average 1.166839021027232) internal successors, (6770), 5840 states have internal predecessors, (6770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 6770 transitions. [2021-11-23 04:49:51,791 INFO L78 Accepts]: Start accepts. Automaton has 5841 states and 6770 transitions. Word has length 108 [2021-11-23 04:49:51,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:51,791 INFO L470 AbstractCegarLoop]: Abstraction has 5841 states and 6770 transitions. [2021-11-23 04:49:51,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5841 states and 6770 transitions. [2021-11-23 04:49:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 04:49:51,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:51,793 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:51,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-23 04:49:51,793 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:51,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:51,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1216811492, now seen corresponding path program 1 times [2021-11-23 04:49:51,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:51,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840640573] [2021-11-23 04:49:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:51,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:51,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:51,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840640573] [2021-11-23 04:49:51,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840640573] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:51,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:51,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 04:49:51,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22551447] [2021-11-23 04:49:51,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:51,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:49:51,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:51,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:49:51,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:49:51,876 INFO L87 Difference]: Start difference. First operand 5841 states and 6770 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:52,721 INFO L93 Difference]: Finished difference Result 6015 states and 6958 transitions. [2021-11-23 04:49:52,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 04:49:52,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2021-11-23 04:49:52,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:52,732 INFO L225 Difference]: With dead ends: 6015 [2021-11-23 04:49:52,732 INFO L226 Difference]: Without dead ends: 5981 [2021-11-23 04:49:52,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:52,734 INFO L933 BasicCegarLoop]: 1987 mSDtfsCounter, 1620 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1620 SdHoareTripleChecker+Valid, 4329 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:52,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1620 Valid, 4329 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 04:49:52,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5981 states. [2021-11-23 04:49:53,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5981 to 5807. [2021-11-23 04:49:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5807 states, 5785 states have (on average 1.1538461538461537) internal successors, (6675), 5806 states have internal predecessors, (6675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5807 states to 5807 states and 6675 transitions. [2021-11-23 04:49:53,240 INFO L78 Accepts]: Start accepts. Automaton has 5807 states and 6675 transitions. Word has length 110 [2021-11-23 04:49:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:53,241 INFO L470 AbstractCegarLoop]: Abstraction has 5807 states and 6675 transitions. [2021-11-23 04:49:53,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5807 states and 6675 transitions. [2021-11-23 04:49:53,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 04:49:53,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:53,243 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:53,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-23 04:49:53,243 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:53,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:53,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1545536609, now seen corresponding path program 1 times [2021-11-23 04:49:53,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477078734] [2021-11-23 04:49:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:53,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:53,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:53,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477078734] [2021-11-23 04:49:53,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477078734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:53,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:53,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 04:49:53,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406423387] [2021-11-23 04:49:53,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:53,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 04:49:53,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:53,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 04:49:53,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 04:49:53,411 INFO L87 Difference]: Start difference. First operand 5807 states and 6675 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:54,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:54,778 INFO L93 Difference]: Finished difference Result 16202 states and 18678 transitions. [2021-11-23 04:49:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 04:49:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 112 [2021-11-23 04:49:54,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:54,809 INFO L225 Difference]: With dead ends: 16202 [2021-11-23 04:49:54,812 INFO L226 Difference]: Without dead ends: 10486 [2021-11-23 04:49:54,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-23 04:49:54,821 INFO L933 BasicCegarLoop]: 3308 mSDtfsCounter, 8751 mSDsluCounter, 11108 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8751 SdHoareTripleChecker+Valid, 14416 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:54,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8751 Valid, 14416 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:49:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10486 states. [2021-11-23 04:49:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10486 to 5813. [2021-11-23 04:49:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5813 states, 5791 states have (on average 1.1536867553099637) internal successors, (6681), 5812 states have internal predecessors, (6681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5813 states and 6681 transitions. [2021-11-23 04:49:55,575 INFO L78 Accepts]: Start accepts. Automaton has 5813 states and 6681 transitions. Word has length 112 [2021-11-23 04:49:55,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:55,575 INFO L470 AbstractCegarLoop]: Abstraction has 5813 states and 6681 transitions. [2021-11-23 04:49:55,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 8 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5813 states and 6681 transitions. [2021-11-23 04:49:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 04:49:55,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:55,576 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:55,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-23 04:49:55,577 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:55,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1279558611, now seen corresponding path program 1 times [2021-11-23 04:49:55,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:55,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489981766] [2021-11-23 04:49:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:55,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:55,630 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:49:55,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102734508] [2021-11-23 04:49:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:55,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:49:55,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:49:55,632 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) [2021-11-23 04:49:55,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 04:49:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:49:56,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 04:49:56,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:49:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:49:56,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:49:56,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:49:56,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489981766] [2021-11-23 04:49:56,613 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:49:56,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102734508] [2021-11-23 04:49:56,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102734508] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:49:56,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:49:56,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 04:49:56,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268405309] [2021-11-23 04:49:56,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:49:56,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 04:49:56,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:49:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 04:49:56,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:49:56,614 INFO L87 Difference]: Start difference. First operand 5813 states and 6681 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:57,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:49:57,883 INFO L93 Difference]: Finished difference Result 15535 states and 17973 transitions. [2021-11-23 04:49:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 04:49:57,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-11-23 04:49:57,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:49:57,894 INFO L225 Difference]: With dead ends: 15535 [2021-11-23 04:49:57,894 INFO L226 Difference]: Without dead ends: 9736 [2021-11-23 04:49:57,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 04:49:57,911 INFO L933 BasicCegarLoop]: 1857 mSDtfsCounter, 1776 mSDsluCounter, 5353 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7210 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 04:49:57,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 7210 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 04:49:57,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9736 states. [2021-11-23 04:49:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9736 to 5816. [2021-11-23 04:49:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5816 states, 5794 states have (on average 1.153607179841215) internal successors, (6684), 5815 states have internal predecessors, (6684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5816 states and 6684 transitions. [2021-11-23 04:49:58,609 INFO L78 Accepts]: Start accepts. Automaton has 5816 states and 6684 transitions. Word has length 118 [2021-11-23 04:49:58,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:49:58,609 INFO L470 AbstractCegarLoop]: Abstraction has 5816 states and 6684 transitions. [2021-11-23 04:49:58,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:49:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 5816 states and 6684 transitions. [2021-11-23 04:49:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 04:49:58,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:49:58,610 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:49:58,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 04:49:58,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-11-23 04:49:58,823 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:49:58,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:49:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash -851792111, now seen corresponding path program 1 times [2021-11-23 04:49:58,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:49:58,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187417090] [2021-11-23 04:49:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:58,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:49:58,894 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:49:58,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139459022] [2021-11-23 04:49:58,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:49:58,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:49:58,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:49:58,895 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) [2021-11-23 04:49:58,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 04:50:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:50:00,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 2676 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 04:50:00,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:50:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:50:00,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:50:00,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:50:00,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187417090] [2021-11-23 04:50:00,731 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:50:00,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139459022] [2021-11-23 04:50:00,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139459022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:50:00,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:50:00,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 04:50:00,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888649250] [2021-11-23 04:50:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:50:00,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:50:00,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:50:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:50:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:50:00,733 INFO L87 Difference]: Start difference. First operand 5816 states and 6684 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:02,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:50:02,686 INFO L93 Difference]: Finished difference Result 15523 states and 17959 transitions. [2021-11-23 04:50:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 04:50:02,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-11-23 04:50:02,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:50:02,698 INFO L225 Difference]: With dead ends: 15523 [2021-11-23 04:50:02,698 INFO L226 Difference]: Without dead ends: 9734 [2021-11-23 04:50:02,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:50:02,706 INFO L933 BasicCegarLoop]: 2662 mSDtfsCounter, 5435 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 6035 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:50:02,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5435 Valid, 6035 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 04:50:02,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9734 states. [2021-11-23 04:50:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9734 to 5816. [2021-11-23 04:50:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5816 states, 5794 states have (on average 1.1534345875043148) internal successors, (6683), 5815 states have internal predecessors, (6683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5816 states and 6683 transitions. [2021-11-23 04:50:03,620 INFO L78 Accepts]: Start accepts. Automaton has 5816 states and 6683 transitions. Word has length 118 [2021-11-23 04:50:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:50:03,620 INFO L470 AbstractCegarLoop]: Abstraction has 5816 states and 6683 transitions. [2021-11-23 04:50:03,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5816 states and 6683 transitions. [2021-11-23 04:50:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 04:50:03,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:50:03,622 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:50:03,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 04:50:03,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-23 04:50:03,827 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:50:03,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:50:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1784014244, now seen corresponding path program 1 times [2021-11-23 04:50:03,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:50:03,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563299034] [2021-11-23 04:50:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:50:03,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:50:03,899 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:50:03,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143699480] [2021-11-23 04:50:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:50:03,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:50:03,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:50:03,910 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) [2021-11-23 04:50:03,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 04:50:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:50:05,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 04:50:05,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 04:50:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:50:05,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 04:50:05,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:50:05,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563299034] [2021-11-23 04:50:05,284 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 04:50:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143699480] [2021-11-23 04:50:05,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143699480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:50:05,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:50:05,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 04:50:05,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283636106] [2021-11-23 04:50:05,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:50:05,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 04:50:05,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:50:05,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 04:50:05,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 04:50:05,285 INFO L87 Difference]: Start difference. First operand 5816 states and 6683 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:07,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:50:07,305 INFO L93 Difference]: Finished difference Result 15514 states and 17948 transitions. [2021-11-23 04:50:07,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 04:50:07,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2021-11-23 04:50:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:50:07,317 INFO L225 Difference]: With dead ends: 15514 [2021-11-23 04:50:07,318 INFO L226 Difference]: Without dead ends: 9734 [2021-11-23 04:50:07,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-11-23 04:50:07,325 INFO L933 BasicCegarLoop]: 2661 mSDtfsCounter, 5423 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5423 SdHoareTripleChecker+Valid, 6038 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 04:50:07,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5423 Valid, 6038 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 04:50:07,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9734 states. [2021-11-23 04:50:08,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9734 to 5816. [2021-11-23 04:50:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5816 states, 5794 states have (on average 1.1532619951674146) internal successors, (6682), 5815 states have internal predecessors, (6682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5816 states to 5816 states and 6682 transitions. [2021-11-23 04:50:08,138 INFO L78 Accepts]: Start accepts. Automaton has 5816 states and 6682 transitions. Word has length 119 [2021-11-23 04:50:08,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:50:08,138 INFO L470 AbstractCegarLoop]: Abstraction has 5816 states and 6682 transitions. [2021-11-23 04:50:08,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:50:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5816 states and 6682 transitions. [2021-11-23 04:50:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 04:50:08,140 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:50:08,140 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:50:08,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 04:50:08,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-23 04:50:08,355 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-23 04:50:08,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:50:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash 762077622, now seen corresponding path program 1 times [2021-11-23 04:50:08,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:50:08,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444252415] [2021-11-23 04:50:08,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:50:08,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:50:08,434 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 04:50:08,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160822960] [2021-11-23 04:50:08,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:50:08,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 04:50:08,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:50:08,436 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) [2021-11-23 04:50:08,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Killed by 15