./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 5b36d44f 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-wip.dd.seqcomp-5b36d44 [2021-11-07 20:31:03,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:31:03,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:31:03,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:31:03,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:31:03,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:31:03,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:31:03,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:31:03,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:31:03,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:31:03,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:31:03,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:31:03,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:31:03,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:31:03,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:31:03,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:31:03,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:31:03,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:31:03,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:31:03,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:31:03,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:31:03,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:31:03,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:31:03,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:31:03,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:31:03,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:31:03,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:31:03,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:31:03,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:31:03,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:31:03,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:31:03,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:31:03,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:31:03,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:31:03,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:31:03,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:31:03,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:31:03,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:31:03,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:31:03,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:31:03,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:31:03,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:31:03,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:31:03,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:31:03,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:31:03,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:31:03,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:31:03,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:31:03,242 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:31:03,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:31:03,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:31:03,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:31:03,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:31:03,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:31:03,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:31:03,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:31:03,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:31:03,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:31:03,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:31:03,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:31:03,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:31:03,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:31:03,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:31:03,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:31:03,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fbcf05da5228307460c10a1ab2d8431ff74359811f7e2c9b55e8eaa9db8f14c [2021-11-07 20:31:03,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:31:03,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:31:03,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:31:03,506 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:31:03,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:31:03,514 INFO L432 ainManager$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 [2021-11-07 20:31:03,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed539a3b/c774768979914cebbe2aeb8694438c25/FLAG670bbf91d [2021-11-07 20:31:04,083 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:31:04,083 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 [2021-11-07 20:31:04,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed539a3b/c774768979914cebbe2aeb8694438c25/FLAG670bbf91d [2021-11-07 20:31:04,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bed539a3b/c774768979914cebbe2aeb8694438c25 [2021-11-07 20:31:04,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:31:04,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:31:04,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:31:04,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:31:04,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:31:04,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:04" (1/1) ... [2021-11-07 20:31:04,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447a0a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:04, skipping insertion in model container [2021-11-07 20:31:04,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:04" (1/1) ... [2021-11-07 20:31:04,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:31:04,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:31:06,159 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,162 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,162 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,162 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,163 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,163 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,163 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,164 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,164 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,165 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,165 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,165 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,166 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,166 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,166 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,167 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,167 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,167 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,167 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,168 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,168 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,168 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,169 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,169 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,169 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,169 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,170 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,170 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,170 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,171 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,171 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,172 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,173 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,173 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,173 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,173 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,174 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,174 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,175 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,175 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,175 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,176 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,176 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,176 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,176 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,177 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,177 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,178 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,178 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,178 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,179 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,179 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,179 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,180 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,180 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,180 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,181 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,181 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,181 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,181 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,182 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,182 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,183 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,183 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,183 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,183 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,184 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,184 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,184 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,185 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,185 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,185 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,186 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,186 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,186 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,187 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,187 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,187 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,187 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,188 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,188 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,188 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,189 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,189 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,189 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,190 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,190 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,190 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:31:06,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:31:06,426 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,426 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,427 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,427 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,428 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,429 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,429 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,429 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,430 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,430 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,430 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,430 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,431 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,431 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,431 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,432 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,432 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,432 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,433 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,433 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,433 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,434 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,434 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,434 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,435 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,435 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,435 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,436 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,436 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,436 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,437 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,437 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,437 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,437 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,438 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,438 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,438 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,439 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,439 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,440 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,440 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,440 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,440 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,441 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,441 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,441 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,442 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,442 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,465 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,465 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,466 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,466 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,466 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,466 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,466 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,467 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,468 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,468 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,468 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,468 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,468 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,469 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,470 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,471 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,472 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,473 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,473 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,474 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,474 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,474 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,474 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,475 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,475 WARN L228 ndardFunctionHandler]: 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] [2021-11-07 20:31:06,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:31:06,611 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:31:06,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06 WrapperNode [2021-11-07 20:31:06,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:31:06,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:31:06,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:31:06,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:31:06,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:06,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:06,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:31:06,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:31:06,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:31:06,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:31:06,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:06,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:06,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:06,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:07,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:07,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:07,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:07,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:31:07,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:31:07,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:31:07,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:31:07,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (1/1) ... [2021-11-07 20:31:07,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:31:07,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:31:07,155 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) [2021-11-07 20:31:07,162 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 [2021-11-07 20:31:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:31:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:31:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:31:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:31:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:31:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:31:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:31:17,430 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_5_returnLabel: main_#res := 0; [2021-11-07 20:31:17,431 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L6765: #t~ret822 := main_#res; [2021-11-07 20:31:17,432 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:31:17,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:31:17,450 INFO L299 CfgBuilder]: Removed 2091 assume(true) statements. [2021-11-07 20:31:17,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:17 BoogieIcfgContainer [2021-11-07 20:31:17,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:31:17,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:31:17,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:31:17,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:31:17,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:31:04" (1/3) ... [2021-11-07 20:31:17,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ebf310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:17, skipping insertion in model container [2021-11-07 20:31:17,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:06" (2/3) ... [2021-11-07 20:31:17,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30ebf310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:17, skipping insertion in model container [2021-11-07 20:31:17,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:17" (3/3) ... [2021-11-07 20:31:17,464 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2021-11-07 20:31:17,469 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:31:17,469 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 160 error locations. [2021-11-07 20:31:17,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:31:17,522 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 [2021-11-07 20:31:17,522 INFO L340 AbstractCegarLoop]: Starting to check reachability of 160 error locations. [2021-11-07 20:31:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 1824 states, 1664 states have (on average 1.3972355769230769) internal successors, (2325), 1823 states have internal predecessors, (2325), 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) [2021-11-07 20:31:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 20:31:17,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:17,557 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] [2021-11-07 20:31:17,558 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)] === [2021-11-07 20:31:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash -927681528, now seen corresponding path program 1 times [2021-11-07 20:31:17,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:17,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925944485] [2021-11-07 20:31:17,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:17,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:18,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:18,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925944485] [2021-11-07 20:31:18,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925944485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:18,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:18,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:18,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393480759] [2021-11-07 20:31:18,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:18,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:18,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:18,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:18,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:18,060 INFO L87 Difference]: Start difference. First operand has 1824 states, 1664 states have (on average 1.3972355769230769) internal successors, (2325), 1823 states have internal predecessors, (2325), 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 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-07 20:31:18,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:18,210 INFO L93 Difference]: Finished difference Result 3563 states and 4539 transitions. [2021-11-07 20:31:18,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:18,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-11-07 20:31:18,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:18,225 INFO L225 Difference]: With dead ends: 3563 [2021-11-07 20:31:18,226 INFO L226 Difference]: Without dead ends: 1706 [2021-11-07 20:31:18,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:18,234 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 2299 mSDsluCounter, 1995 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2299 SdHoareTripleChecker+Valid, 4152 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.19ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:18,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2299 Valid, 4152 Invalid, 6 Unknown, 0 Unchecked, 18.25ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.19ms Time] [2021-11-07 20:31:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states. [2021-11-07 20:31:18,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706. [2021-11-07 20:31:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1548 states have (on average 1.2487080103359174) internal successors, (1933), 1705 states have internal predecessors, (1933), 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) [2021-11-07 20:31:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 1933 transitions. [2021-11-07 20:31:18,318 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 1933 transitions. Word has length 29 [2021-11-07 20:31:18,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:18,318 INFO L470 AbstractCegarLoop]: Abstraction has 1706 states and 1933 transitions. [2021-11-07 20:31:18,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-11-07 20:31:18,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 1933 transitions. [2021-11-07 20:31:18,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-07 20:31:18,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:18,323 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] [2021-11-07 20:31:18,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:31:18,324 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)] === [2021-11-07 20:31:18,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:18,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1851460012, now seen corresponding path program 1 times [2021-11-07 20:31:18,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:18,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814745435] [2021-11-07 20:31:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:18,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:18,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:18,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814745435] [2021-11-07 20:31:18,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814745435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:18,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:18,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:18,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803018368] [2021-11-07 20:31:18,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:18,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:18,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:18,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:18,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:18,498 INFO L87 Difference]: Start difference. First operand 1706 states and 1933 transitions. 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) [2021-11-07 20:31:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:18,557 INFO L93 Difference]: Finished difference Result 1706 states and 1933 transitions. [2021-11-07 20:31:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:18,557 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 [2021-11-07 20:31:18,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:18,566 INFO L225 Difference]: With dead ends: 1706 [2021-11-07 20:31:18,567 INFO L226 Difference]: Without dead ends: 1702 [2021-11-07 20:31:18,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:18,568 INFO L933 BasicCegarLoop]: 1925 mSDtfsCounter, 2053 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:18,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2053 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 6.28ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 8.00ms Time] [2021-11-07 20:31:18,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2021-11-07 20:31:18,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1702. [2021-11-07 20:31:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1546 states have (on average 1.2477360931435963) internal successors, (1929), 1701 states have internal predecessors, (1929), 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) [2021-11-07 20:31:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 1929 transitions. [2021-11-07 20:31:18,608 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 1929 transitions. Word has length 31 [2021-11-07 20:31:18,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:18,608 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 1929 transitions. [2021-11-07 20:31:18,608 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) [2021-11-07 20:31:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 1929 transitions. [2021-11-07 20:31:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 20:31:18,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:18,609 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] [2021-11-07 20:31:18,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:31:18,610 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)] === [2021-11-07 20:31:18,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:18,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1136822192, now seen corresponding path program 1 times [2021-11-07 20:31:18,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:18,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128302239] [2021-11-07 20:31:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:18,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:18,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:18,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128302239] [2021-11-07 20:31:18,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128302239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:18,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:18,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:18,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70216980] [2021-11-07 20:31:18,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:18,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:18,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:18,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:18,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:18,739 INFO L87 Difference]: Start difference. First operand 1702 states and 1929 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-07 20:31:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:18,786 INFO L93 Difference]: Finished difference Result 1702 states and 1929 transitions. [2021-11-07 20:31:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:18,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-11-07 20:31:18,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:18,791 INFO L225 Difference]: With dead ends: 1702 [2021-11-07 20:31:18,791 INFO L226 Difference]: Without dead ends: 1698 [2021-11-07 20:31:18,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:18,792 INFO L933 BasicCegarLoop]: 1921 mSDtfsCounter, 2039 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.40ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.72ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:18,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2039 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.40ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.72ms Time] [2021-11-07 20:31:18,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2021-11-07 20:31:18,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1698. [2021-11-07 20:31:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1544 states have (on average 1.246761658031088) internal successors, (1925), 1697 states have internal predecessors, (1925), 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) [2021-11-07 20:31:18,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 1925 transitions. [2021-11-07 20:31:18,828 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 1925 transitions. Word has length 33 [2021-11-07 20:31:18,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:18,828 INFO L470 AbstractCegarLoop]: Abstraction has 1698 states and 1925 transitions. [2021-11-07 20:31:18,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-11-07 20:31:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 1925 transitions. [2021-11-07 20:31:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 20:31:18,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:18,829 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] [2021-11-07 20:31:18,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:31:18,830 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)] === [2021-11-07 20:31:18,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1564644884, now seen corresponding path program 1 times [2021-11-07 20:31:18,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:18,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935783391] [2021-11-07 20:31:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:18,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:18,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:18,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935783391] [2021-11-07 20:31:18,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935783391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:18,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:18,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:18,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368543778] [2021-11-07 20:31:18,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:18,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:18,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:18,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:18,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:18,996 INFO L87 Difference]: Start difference. First operand 1698 states and 1925 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-07 20:31:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:19,044 INFO L93 Difference]: Finished difference Result 1698 states and 1925 transitions. [2021-11-07 20:31:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-11-07 20:31:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:19,049 INFO L225 Difference]: With dead ends: 1698 [2021-11-07 20:31:19,049 INFO L226 Difference]: Without dead ends: 1694 [2021-11-07 20:31:19,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:19,050 INFO L933 BasicCegarLoop]: 1917 mSDtfsCounter, 2025 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.58ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.44ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:19,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2025 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 4.58ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.44ms Time] [2021-11-07 20:31:19,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2021-11-07 20:31:19,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2021-11-07 20:31:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1542 states have (on average 1.2457846952010376) internal successors, (1921), 1693 states have internal predecessors, (1921), 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) [2021-11-07 20:31:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 1921 transitions. [2021-11-07 20:31:19,084 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 1921 transitions. Word has length 35 [2021-11-07 20:31:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:19,084 INFO L470 AbstractCegarLoop]: Abstraction has 1694 states and 1921 transitions. [2021-11-07 20:31:19,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-07 20:31:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1921 transitions. [2021-11-07 20:31:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:31:19,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:19,085 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] [2021-11-07 20:31:19,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:31:19,086 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)] === [2021-11-07 20:31:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash 385391832, now seen corresponding path program 1 times [2021-11-07 20:31:19,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:19,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904309547] [2021-11-07 20:31:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:19,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:19,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:19,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904309547] [2021-11-07 20:31:19,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904309547] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:19,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:19,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:19,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230706291] [2021-11-07 20:31:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:19,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:19,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:19,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:19,183 INFO L87 Difference]: Start difference. First operand 1694 states and 1921 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) [2021-11-07 20:31:19,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:19,230 INFO L93 Difference]: Finished difference Result 1694 states and 1921 transitions. [2021-11-07 20:31:19,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:19,231 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 [2021-11-07 20:31:19,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:19,235 INFO L225 Difference]: With dead ends: 1694 [2021-11-07 20:31:19,235 INFO L226 Difference]: Without dead ends: 1690 [2021-11-07 20:31:19,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:19,236 INFO L933 BasicCegarLoop]: 1913 mSDtfsCounter, 2011 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2011 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.13ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:19,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2011 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 4.74ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.13ms Time] [2021-11-07 20:31:19,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2021-11-07 20:31:19,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1690. [2021-11-07 20:31:19,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1540 states have (on average 1.2448051948051948) internal successors, (1917), 1689 states have internal predecessors, (1917), 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) [2021-11-07 20:31:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 1917 transitions. [2021-11-07 20:31:19,272 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 1917 transitions. Word has length 37 [2021-11-07 20:31:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:19,273 INFO L470 AbstractCegarLoop]: Abstraction has 1690 states and 1917 transitions. [2021-11-07 20:31:19,273 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) [2021-11-07 20:31:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 1917 transitions. [2021-11-07 20:31:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:31:19,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:19,274 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] [2021-11-07 20:31:19,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:31:19,274 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)] === [2021-11-07 20:31:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash 994575356, now seen corresponding path program 1 times [2021-11-07 20:31:19,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:19,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027257929] [2021-11-07 20:31:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:19,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:19,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:19,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:19,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027257929] [2021-11-07 20:31:19,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027257929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:19,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:19,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:19,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930197143] [2021-11-07 20:31:19,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:19,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:19,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:19,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:19,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:19,374 INFO L87 Difference]: Start difference. First operand 1690 states and 1917 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-11-07 20:31:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:19,428 INFO L93 Difference]: Finished difference Result 1690 states and 1917 transitions. [2021-11-07 20:31:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:19,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-11-07 20:31:19,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:19,433 INFO L225 Difference]: With dead ends: 1690 [2021-11-07 20:31:19,433 INFO L226 Difference]: Without dead ends: 1686 [2021-11-07 20:31:19,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:19,434 INFO L933 BasicCegarLoop]: 1909 mSDtfsCounter, 1997 mSDsluCounter, 1791 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1997 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.10ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:19,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1997 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.25ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.10ms Time] [2021-11-07 20:31:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2021-11-07 20:31:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1686. [2021-11-07 20:31:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1686 states, 1538 states have (on average 1.2438231469440832) internal successors, (1913), 1685 states have internal predecessors, (1913), 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) [2021-11-07 20:31:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 1913 transitions. [2021-11-07 20:31:19,474 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 1913 transitions. Word has length 39 [2021-11-07 20:31:19,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:19,474 INFO L470 AbstractCegarLoop]: Abstraction has 1686 states and 1913 transitions. [2021-11-07 20:31:19,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-11-07 20:31:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1913 transitions. [2021-11-07 20:31:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:31:19,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:19,475 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] [2021-11-07 20:31:19,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:31:19,475 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)] === [2021-11-07 20:31:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:19,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1990577280, now seen corresponding path program 1 times [2021-11-07 20:31:19,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:19,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409916352] [2021-11-07 20:31:19,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:19,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:19,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:19,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409916352] [2021-11-07 20:31:19,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409916352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:19,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:19,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:19,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619038222] [2021-11-07 20:31:19,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:19,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:19,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:19,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:19,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:19,572 INFO L87 Difference]: Start difference. First operand 1686 states and 1913 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-07 20:31:19,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:19,628 INFO L93 Difference]: Finished difference Result 1686 states and 1913 transitions. [2021-11-07 20:31:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:19,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2021-11-07 20:31:19,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:19,633 INFO L225 Difference]: With dead ends: 1686 [2021-11-07 20:31:19,633 INFO L226 Difference]: Without dead ends: 1682 [2021-11-07 20:31:19,634 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.95ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:19,634 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 1983 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.05ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.49ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:19,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1983 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.05ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.49ms Time] [2021-11-07 20:31:19,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2021-11-07 20:31:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1682. [2021-11-07 20:31:19,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1682 states, 1536 states have (on average 1.2428385416666667) internal successors, (1909), 1681 states have internal predecessors, (1909), 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) [2021-11-07 20:31:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 1909 transitions. [2021-11-07 20:31:19,675 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 1909 transitions. Word has length 41 [2021-11-07 20:31:19,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:19,675 INFO L470 AbstractCegarLoop]: Abstraction has 1682 states and 1909 transitions. [2021-11-07 20:31:19,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-11-07 20:31:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 1909 transitions. [2021-11-07 20:31:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:31:19,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:19,676 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] [2021-11-07 20:31:19,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:31:19,676 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)] === [2021-11-07 20:31:19,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:19,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1684106396, now seen corresponding path program 1 times [2021-11-07 20:31:19,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:19,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795014071] [2021-11-07 20:31:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:19,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:19,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:19,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795014071] [2021-11-07 20:31:19,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795014071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:19,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:19,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:19,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397002011] [2021-11-07 20:31:19,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:19,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:19,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:19,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:19,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:19,821 INFO L87 Difference]: Start difference. First operand 1682 states and 1909 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) [2021-11-07 20:31:19,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:19,884 INFO L93 Difference]: Finished difference Result 1682 states and 1909 transitions. [2021-11-07 20:31:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:19,885 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 [2021-11-07 20:31:19,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:19,889 INFO L225 Difference]: With dead ends: 1682 [2021-11-07 20:31:19,890 INFO L226 Difference]: Without dead ends: 1678 [2021-11-07 20:31:19,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.86ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:19,891 INFO L933 BasicCegarLoop]: 1901 mSDtfsCounter, 1969 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.18ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.17ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:19,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1969 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.18ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.17ms Time] [2021-11-07 20:31:19,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2021-11-07 20:31:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1678. [2021-11-07 20:31:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1534 states have (on average 1.241851368970013) internal successors, (1905), 1677 states have internal predecessors, (1905), 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) [2021-11-07 20:31:19,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 1905 transitions. [2021-11-07 20:31:19,936 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 1905 transitions. Word has length 43 [2021-11-07 20:31:19,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:19,936 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 1905 transitions. [2021-11-07 20:31:19,936 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) [2021-11-07 20:31:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1905 transitions. [2021-11-07 20:31:19,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:31:19,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:19,937 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] [2021-11-07 20:31:19,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:31:19,937 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)] === [2021-11-07 20:31:19,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:19,938 INFO L85 PathProgramCache]: Analyzing trace with hash 776636359, now seen corresponding path program 1 times [2021-11-07 20:31:19,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:19,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881562600] [2021-11-07 20:31:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:19,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:20,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:20,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881562600] [2021-11-07 20:31:20,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881562600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:20,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:20,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:20,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512216361] [2021-11-07 20:31:20,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:20,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:20,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:20,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:20,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:20,038 INFO L87 Difference]: Start difference. First operand 1678 states and 1905 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-07 20:31:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:20,102 INFO L93 Difference]: Finished difference Result 1678 states and 1905 transitions. [2021-11-07 20:31:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:20,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-11-07 20:31:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:20,107 INFO L225 Difference]: With dead ends: 1678 [2021-11-07 20:31:20,107 INFO L226 Difference]: Without dead ends: 1674 [2021-11-07 20:31:20,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.07ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:20,108 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 1955 mSDsluCounter, 1803 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.97ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.44ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:20,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1955 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 4.97ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.44ms Time] [2021-11-07 20:31:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2021-11-07 20:31:20,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1674. [2021-11-07 20:31:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1532 states have (on average 1.2408616187989556) internal successors, (1901), 1673 states have internal predecessors, (1901), 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) [2021-11-07 20:31:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 1901 transitions. [2021-11-07 20:31:20,153 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 1901 transitions. Word has length 45 [2021-11-07 20:31:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:20,153 INFO L470 AbstractCegarLoop]: Abstraction has 1674 states and 1901 transitions. [2021-11-07 20:31:20,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-07 20:31:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 1901 transitions. [2021-11-07 20:31:20,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:31:20,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:20,154 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] [2021-11-07 20:31:20,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:31:20,154 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:20,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:20,154 INFO L85 PathProgramCache]: Analyzing trace with hash -976554869, now seen corresponding path program 1 times [2021-11-07 20:31:20,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:20,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401672313] [2021-11-07 20:31:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:20,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:20,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:20,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401672313] [2021-11-07 20:31:20,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401672313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:20,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:20,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:20,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534227215] [2021-11-07 20:31:20,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:20,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:20,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:20,259 INFO L87 Difference]: Start difference. First operand 1674 states and 1901 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-07 20:31:20,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:20,320 INFO L93 Difference]: Finished difference Result 1674 states and 1901 transitions. [2021-11-07 20:31:20,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:20,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2021-11-07 20:31:20,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:20,325 INFO L225 Difference]: With dead ends: 1674 [2021-11-07 20:31:20,325 INFO L226 Difference]: Without dead ends: 1670 [2021-11-07 20:31:20,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.35ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:20,326 INFO L933 BasicCegarLoop]: 1893 mSDtfsCounter, 1941 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.20ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:20,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.16ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.20ms Time] [2021-11-07 20:31:20,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2021-11-07 20:31:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2021-11-07 20:31:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1530 states have (on average 1.2398692810457517) internal successors, (1897), 1669 states have internal predecessors, (1897), 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) [2021-11-07 20:31:20,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 1897 transitions. [2021-11-07 20:31:20,373 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 1897 transitions. Word has length 47 [2021-11-07 20:31:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:20,374 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 1897 transitions. [2021-11-07 20:31:20,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-07 20:31:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 1897 transitions. [2021-11-07 20:31:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:31:20,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:20,374 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] [2021-11-07 20:31:20,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:31:20,375 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2128822703, now seen corresponding path program 1 times [2021-11-07 20:31:20,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:20,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923419266] [2021-11-07 20:31:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:20,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:20,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:20,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923419266] [2021-11-07 20:31:20,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923419266] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:20,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:20,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:20,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160774402] [2021-11-07 20:31:20,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:20,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:20,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:20,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:20,525 INFO L87 Difference]: Start difference. First operand 1670 states and 1897 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) [2021-11-07 20:31:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:20,585 INFO L93 Difference]: Finished difference Result 1670 states and 1897 transitions. [2021-11-07 20:31:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:20,585 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 [2021-11-07 20:31:20,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:20,590 INFO L225 Difference]: With dead ends: 1670 [2021-11-07 20:31:20,590 INFO L226 Difference]: Without dead ends: 1666 [2021-11-07 20:31:20,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.17ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:20,591 INFO L933 BasicCegarLoop]: 1889 mSDtfsCounter, 1927 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1927 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.93ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.23ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:20,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1927 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 4.93ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.23ms Time] [2021-11-07 20:31:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2021-11-07 20:31:20,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2021-11-07 20:31:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1528 states have (on average 1.2388743455497382) internal successors, (1893), 1665 states have internal predecessors, (1893), 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) [2021-11-07 20:31:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 1893 transitions. [2021-11-07 20:31:20,637 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 1893 transitions. Word has length 49 [2021-11-07 20:31:20,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:20,638 INFO L470 AbstractCegarLoop]: Abstraction has 1666 states and 1893 transitions. [2021-11-07 20:31:20,638 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) [2021-11-07 20:31:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1893 transitions. [2021-11-07 20:31:20,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:31:20,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:20,639 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] [2021-11-07 20:31:20,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:31:20,639 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:20,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:20,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1394399027, now seen corresponding path program 1 times [2021-11-07 20:31:20,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:20,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054275335] [2021-11-07 20:31:20,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:20,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:20,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:20,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054275335] [2021-11-07 20:31:20,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054275335] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:20,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:20,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:20,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697165764] [2021-11-07 20:31:20,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:20,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:20,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:20,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:20,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:20,735 INFO L87 Difference]: Start difference. First operand 1666 states and 1893 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 20:31:20,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:20,798 INFO L93 Difference]: Finished difference Result 1666 states and 1893 transitions. [2021-11-07 20:31:20,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:20,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2021-11-07 20:31:20,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:20,804 INFO L225 Difference]: With dead ends: 1666 [2021-11-07 20:31:20,804 INFO L226 Difference]: Without dead ends: 1662 [2021-11-07 20:31:20,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.96ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:20,805 INFO L933 BasicCegarLoop]: 1885 mSDtfsCounter, 1913 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.14ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.64ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:20,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.14ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.64ms Time] [2021-11-07 20:31:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1662 states. [2021-11-07 20:31:20,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1662 to 1662. [2021-11-07 20:31:20,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1526 states have (on average 1.2378768020969855) internal successors, (1889), 1661 states have internal predecessors, (1889), 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) [2021-11-07 20:31:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 1889 transitions. [2021-11-07 20:31:20,855 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 1889 transitions. Word has length 51 [2021-11-07 20:31:20,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:20,855 INFO L470 AbstractCegarLoop]: Abstraction has 1662 states and 1889 transitions. [2021-11-07 20:31:20,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-07 20:31:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 1889 transitions. [2021-11-07 20:31:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:31:20,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:20,856 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] [2021-11-07 20:31:20,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:31:20,857 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:20,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:20,857 INFO L85 PathProgramCache]: Analyzing trace with hash -12116713, now seen corresponding path program 1 times [2021-11-07 20:31:20,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:20,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578916015] [2021-11-07 20:31:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:20,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:20,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:20,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578916015] [2021-11-07 20:31:20,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578916015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:20,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:20,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:20,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053002522] [2021-11-07 20:31:20,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:20,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:20,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:20,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:20,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:20,959 INFO L87 Difference]: Start difference. First operand 1662 states and 1889 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-07 20:31:21,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:21,025 INFO L93 Difference]: Finished difference Result 1662 states and 1889 transitions. [2021-11-07 20:31:21,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:21,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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 53 [2021-11-07 20:31:21,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:21,030 INFO L225 Difference]: With dead ends: 1662 [2021-11-07 20:31:21,030 INFO L226 Difference]: Without dead ends: 1658 [2021-11-07 20:31:21,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:21,031 INFO L933 BasicCegarLoop]: 1881 mSDtfsCounter, 1899 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 3700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.17ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.34ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:21,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1899 Valid, 3700 Invalid, 6 Unknown, 0 Unchecked, 5.17ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.34ms Time] [2021-11-07 20:31:21,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2021-11-07 20:31:21,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2021-11-07 20:31:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 1524 states have (on average 1.2368766404199476) internal successors, (1885), 1657 states have internal predecessors, (1885), 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) [2021-11-07 20:31:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1885 transitions. [2021-11-07 20:31:21,086 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1885 transitions. Word has length 53 [2021-11-07 20:31:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:21,086 INFO L470 AbstractCegarLoop]: Abstraction has 1658 states and 1885 transitions. [2021-11-07 20:31:21,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 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) [2021-11-07 20:31:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1885 transitions. [2021-11-07 20:31:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 20:31:21,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:21,087 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] [2021-11-07 20:31:21,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:31:21,087 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:21,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:21,088 INFO L85 PathProgramCache]: Analyzing trace with hash 714458001, now seen corresponding path program 1 times [2021-11-07 20:31:21,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:21,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547874102] [2021-11-07 20:31:21,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:21,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:21,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:21,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547874102] [2021-11-07 20:31:21,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547874102] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:21,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:21,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:21,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751185776] [2021-11-07 20:31:21,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:21,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:21,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:21,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:21,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:21,324 INFO L87 Difference]: Start difference. First operand 1658 states and 1885 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) [2021-11-07 20:31:21,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:21,516 INFO L93 Difference]: Finished difference Result 1962 states and 2203 transitions. [2021-11-07 20:31:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:21,517 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 [2021-11-07 20:31:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:21,522 INFO L225 Difference]: With dead ends: 1962 [2021-11-07 20:31:21,522 INFO L226 Difference]: Without dead ends: 1956 [2021-11-07 20:31:21,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.81ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:21,524 INFO L933 BasicCegarLoop]: 2189 mSDtfsCounter, 2778 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.92ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.23ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:21,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2778 Valid, 3391 Invalid, 52 Unknown, 0 Unchecked, 11.92ms Time], IncrementalHoareTripleChecker [18 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 81.23ms Time] [2021-11-07 20:31:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2021-11-07 20:31:21,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1652. [2021-11-07 20:31:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1521 states have (on average 1.235371466140697) internal successors, (1879), 1651 states have internal predecessors, (1879), 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) [2021-11-07 20:31:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 1879 transitions. [2021-11-07 20:31:21,600 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 1879 transitions. Word has length 54 [2021-11-07 20:31:21,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:21,600 INFO L470 AbstractCegarLoop]: Abstraction has 1652 states and 1879 transitions. [2021-11-07 20:31:21,600 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) [2021-11-07 20:31:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1879 transitions. [2021-11-07 20:31:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:31:21,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:21,601 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] [2021-11-07 20:31:21,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:31:21,601 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr86ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:21,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:21,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1240955739, now seen corresponding path program 1 times [2021-11-07 20:31:21,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:21,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386130285] [2021-11-07 20:31:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:21,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:21,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:21,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386130285] [2021-11-07 20:31:21,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386130285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:21,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:21,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:21,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50109721] [2021-11-07 20:31:21,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:21,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:21,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:21,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:21,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:21,760 INFO L87 Difference]: Start difference. First operand 1652 states and 1879 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-07 20:31:21,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:21,842 INFO L93 Difference]: Finished difference Result 1652 states and 1879 transitions. [2021-11-07 20:31:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:21,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2021-11-07 20:31:21,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:21,847 INFO L225 Difference]: With dead ends: 1652 [2021-11-07 20:31:21,847 INFO L226 Difference]: Without dead ends: 1648 [2021-11-07 20:31:21,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:21,850 INFO L933 BasicCegarLoop]: 1871 mSDtfsCounter, 1879 mSDsluCounter, 1817 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 3688 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.22ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.41ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:21,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1879 Valid, 3688 Invalid, 6 Unknown, 0 Unchecked, 9.22ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 8.41ms Time] [2021-11-07 20:31:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2021-11-07 20:31:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1648. [2021-11-07 20:31:21,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1519 states have (on average 1.2343647136273865) internal successors, (1875), 1647 states have internal predecessors, (1875), 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) [2021-11-07 20:31:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1875 transitions. [2021-11-07 20:31:21,906 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1875 transitions. Word has length 55 [2021-11-07 20:31:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:21,906 INFO L470 AbstractCegarLoop]: Abstraction has 1648 states and 1875 transitions. [2021-11-07 20:31:21,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-07 20:31:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1875 transitions. [2021-11-07 20:31:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:31:21,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:21,907 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] [2021-11-07 20:31:21,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:31:21,907 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:21,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:21,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2087886027, now seen corresponding path program 1 times [2021-11-07 20:31:21,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:21,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367657490] [2021-11-07 20:31:21,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:21,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:22,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:22,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367657490] [2021-11-07 20:31:22,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367657490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:22,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:22,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:22,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935225327] [2021-11-07 20:31:22,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:22,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:31:22,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:22,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:31:22,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:31:22,012 INFO L87 Difference]: Start difference. First operand 1648 states and 1875 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-07 20:31:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:22,106 INFO L93 Difference]: Finished difference Result 2905 states and 3296 transitions. [2021-11-07 20:31:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:31:22,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2021-11-07 20:31:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:22,111 INFO L225 Difference]: With dead ends: 2905 [2021-11-07 20:31:22,111 INFO L226 Difference]: Without dead ends: 1645 [2021-11-07 20:31:22,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:31:22,114 INFO L933 BasicCegarLoop]: 1870 mSDtfsCounter, 1861 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.30ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.32ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:22,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1861 Valid, 1870 Invalid, 4 Unknown, 0 Unchecked, 2.30ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 30.32ms Time] [2021-11-07 20:31:22,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2021-11-07 20:31:22,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1645. [2021-11-07 20:31:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1517 states have (on average 1.2333553065260383) internal successors, (1871), 1644 states have internal predecessors, (1871), 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) [2021-11-07 20:31:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 1871 transitions. [2021-11-07 20:31:22,218 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 1871 transitions. Word has length 55 [2021-11-07 20:31:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:22,218 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 1871 transitions. [2021-11-07 20:31:22,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-11-07 20:31:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1871 transitions. [2021-11-07 20:31:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 20:31:22,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:22,219 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] [2021-11-07 20:31:22,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:31:22,220 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1641931711, now seen corresponding path program 1 times [2021-11-07 20:31:22,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:22,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412216441] [2021-11-07 20:31:22,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:22,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:22,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:22,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412216441] [2021-11-07 20:31:22,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412216441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:22,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:22,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:22,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13867086] [2021-11-07 20:31:22,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:22,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:31:22,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:22,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:31:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:22,382 INFO L87 Difference]: Start difference. First operand 1645 states and 1871 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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) [2021-11-07 20:31:22,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:22,679 INFO L93 Difference]: Finished difference Result 4265 states and 4816 transitions. [2021-11-07 20:31:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:22,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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 [2021-11-07 20:31:22,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:22,698 INFO L225 Difference]: With dead ends: 4265 [2021-11-07 20:31:22,698 INFO L226 Difference]: Without dead ends: 2684 [2021-11-07 20:31:22,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.32ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:31:22,701 INFO L933 BasicCegarLoop]: 2946 mSDtfsCounter, 5308 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5308 SdHoareTripleChecker+Valid, 5376 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.66ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147.35ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:22,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5308 Valid, 5376 Invalid, 139 Unknown, 0 Unchecked, 7.66ms Time], IncrementalHoareTripleChecker [57 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 147.35ms Time] [2021-11-07 20:31:22,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2684 states. [2021-11-07 20:31:22,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2684 to 1645. [2021-11-07 20:31:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1517 states have (on average 1.2221489782465391) internal successors, (1854), 1644 states have internal predecessors, (1854), 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) [2021-11-07 20:31:22,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 1854 transitions. [2021-11-07 20:31:22,776 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 1854 transitions. Word has length 56 [2021-11-07 20:31:22,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:22,777 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 1854 transitions. [2021-11-07 20:31:22,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 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) [2021-11-07 20:31:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1854 transitions. [2021-11-07 20:31:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-07 20:31:22,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:22,777 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] [2021-11-07 20:31:22,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:31:22,778 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:22,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:22,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1641991293, now seen corresponding path program 1 times [2021-11-07 20:31:22,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:22,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709694321] [2021-11-07 20:31:22,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:22,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:22,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:22,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709694321] [2021-11-07 20:31:22,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709694321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:22,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:22,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:22,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791887900] [2021-11-07 20:31:22,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:22,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:22,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:22,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:22,890 INFO L87 Difference]: Start difference. First operand 1645 states and 1854 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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) [2021-11-07 20:31:23,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:23,154 INFO L93 Difference]: Finished difference Result 2705 states and 3025 transitions. [2021-11-07 20:31:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:23,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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 [2021-11-07 20:31:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:23,159 INFO L225 Difference]: With dead ends: 2705 [2021-11-07 20:31:23,159 INFO L226 Difference]: Without dead ends: 2671 [2021-11-07 20:31:23,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.36ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:23,161 INFO L933 BasicCegarLoop]: 2950 mSDtfsCounter, 3416 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 5428 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.71ms SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.56ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:23,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3416 Valid, 5428 Invalid, 122 Unknown, 0 Unchecked, 5.71ms Time], IncrementalHoareTripleChecker [57 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 131.56ms Time] [2021-11-07 20:31:23,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2021-11-07 20:31:23,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1611. [2021-11-07 20:31:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1611 states, 1500 states have (on average 1.2133333333333334) internal successors, (1820), 1610 states have internal predecessors, (1820), 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) [2021-11-07 20:31:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 1820 transitions. [2021-11-07 20:31:23,282 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 1820 transitions. Word has length 56 [2021-11-07 20:31:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:23,282 INFO L470 AbstractCegarLoop]: Abstraction has 1611 states and 1820 transitions. [2021-11-07 20:31:23,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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) [2021-11-07 20:31:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1820 transitions. [2021-11-07 20:31:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:31:23,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:23,283 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] [2021-11-07 20:31:23,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:31:23,283 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr87ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:23,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:23,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1442227713, now seen corresponding path program 1 times [2021-11-07 20:31:23,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:23,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852379615] [2021-11-07 20:31:23,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:23,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:23,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:23,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:23,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852379615] [2021-11-07 20:31:23,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852379615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:23,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:23,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:23,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616766872] [2021-11-07 20:31:23,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:23,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:23,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:23,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:23,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:23,389 INFO L87 Difference]: Start difference. First operand 1611 states and 1820 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) [2021-11-07 20:31:23,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:23,480 INFO L93 Difference]: Finished difference Result 1611 states and 1820 transitions. [2021-11-07 20:31:23,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:23,481 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 [2021-11-07 20:31:23,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:23,483 INFO L225 Difference]: With dead ends: 1611 [2021-11-07 20:31:23,483 INFO L226 Difference]: Without dead ends: 1607 [2021-11-07 20:31:23,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:23,484 INFO L933 BasicCegarLoop]: 1812 mSDtfsCounter, 1810 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 3578 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.52ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.26ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:23,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1810 Valid, 3578 Invalid, 6 Unknown, 0 Unchecked, 3.52ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 7.26ms Time] [2021-11-07 20:31:23,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2021-11-07 20:31:23,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1607. [2021-11-07 20:31:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1498 states have (on average 1.212283044058745) internal successors, (1816), 1606 states have internal predecessors, (1816), 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) [2021-11-07 20:31:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 1816 transitions. [2021-11-07 20:31:23,560 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 1816 transitions. Word has length 57 [2021-11-07 20:31:23,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:23,560 INFO L470 AbstractCegarLoop]: Abstraction has 1607 states and 1816 transitions. [2021-11-07 20:31:23,560 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) [2021-11-07 20:31:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1816 transitions. [2021-11-07 20:31:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:31:23,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:23,561 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] [2021-11-07 20:31:23,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:31:23,561 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:23,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1432788055, now seen corresponding path program 1 times [2021-11-07 20:31:23,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:23,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981729661] [2021-11-07 20:31:23,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:23,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:23,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981729661] [2021-11-07 20:31:23,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981729661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:23,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:23,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:23,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338090080] [2021-11-07 20:31:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:23,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:23,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:23,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:23,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:23,665 INFO L87 Difference]: Start difference. First operand 1607 states and 1816 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) [2021-11-07 20:31:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:23,936 INFO L93 Difference]: Finished difference Result 1808 states and 2023 transitions. [2021-11-07 20:31:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:23,936 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 [2021-11-07 20:31:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:23,939 INFO L225 Difference]: With dead ends: 1808 [2021-11-07 20:31:23,940 INFO L226 Difference]: Without dead ends: 1788 [2021-11-07 20:31:23,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:23,941 INFO L933 BasicCegarLoop]: 1967 mSDtfsCounter, 3004 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3004 SdHoareTripleChecker+Valid, 2619 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.39ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 153.69ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:23,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3004 Valid, 2619 Invalid, 127 Unknown, 0 Unchecked, 4.39ms Time], IncrementalHoareTripleChecker [41 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 153.69ms Time] [2021-11-07 20:31:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2021-11-07 20:31:24,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1587. [2021-11-07 20:31:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1488 states have (on average 1.206989247311828) internal successors, (1796), 1586 states have internal predecessors, (1796), 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) [2021-11-07 20:31:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 1796 transitions. [2021-11-07 20:31:24,058 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 1796 transitions. Word has length 57 [2021-11-07 20:31:24,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:24,058 INFO L470 AbstractCegarLoop]: Abstraction has 1587 states and 1796 transitions. [2021-11-07 20:31:24,058 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) [2021-11-07 20:31:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1796 transitions. [2021-11-07 20:31:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 20:31:24,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:24,059 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] [2021-11-07 20:31:24,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:31:24,059 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:24,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:24,060 INFO L85 PathProgramCache]: Analyzing trace with hash -170513842, now seen corresponding path program 1 times [2021-11-07 20:31:24,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:24,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002928360] [2021-11-07 20:31:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:24,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:24,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:24,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002928360] [2021-11-07 20:31:24,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002928360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:24,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:24,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:31:24,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925958490] [2021-11-07 20:31:24,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:24,159 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:31:24,159 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:31:24,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:24,160 INFO L87 Difference]: Start difference. First operand 1587 states and 1796 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-11-07 20:31:24,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:24,315 INFO L93 Difference]: Finished difference Result 2849 states and 3216 transitions. [2021-11-07 20:31:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:24,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2021-11-07 20:31:24,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:24,318 INFO L225 Difference]: With dead ends: 2849 [2021-11-07 20:31:24,318 INFO L226 Difference]: Without dead ends: 1631 [2021-11-07 20:31:24,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.76ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:31:24,320 INFO L933 BasicCegarLoop]: 1840 mSDtfsCounter, 5351 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5351 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.92ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.57ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:24,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5351 Valid, 1934 Invalid, 19 Unknown, 0 Unchecked, 3.92ms Time], IncrementalHoareTripleChecker [13 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 38.57ms Time] [2021-11-07 20:31:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1631 states. [2021-11-07 20:31:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1631 to 1584. [2021-11-07 20:31:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1486 states have (on average 1.205921938088829) internal successors, (1792), 1583 states have internal predecessors, (1792), 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) [2021-11-07 20:31:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 1792 transitions. [2021-11-07 20:31:24,411 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 1792 transitions. Word has length 58 [2021-11-07 20:31:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:24,412 INFO L470 AbstractCegarLoop]: Abstraction has 1584 states and 1792 transitions. [2021-11-07 20:31:24,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-11-07 20:31:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1792 transitions. [2021-11-07 20:31:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:31:24,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:24,412 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] [2021-11-07 20:31:24,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:31:24,412 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:24,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1293820163, now seen corresponding path program 1 times [2021-11-07 20:31:24,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:24,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057362648] [2021-11-07 20:31:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:24,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:24,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:24,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057362648] [2021-11-07 20:31:24,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057362648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:24,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:24,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:24,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494912437] [2021-11-07 20:31:24,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:24,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:24,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:24,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:24,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:24,547 INFO L87 Difference]: Start difference. First operand 1584 states and 1792 transitions. Second operand has 4 states, 4 states have (on average 14.75) 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) [2021-11-07 20:31:24,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:24,648 INFO L93 Difference]: Finished difference Result 1584 states and 1792 transitions. [2021-11-07 20:31:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:24,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) 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 [2021-11-07 20:31:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:24,651 INFO L225 Difference]: With dead ends: 1584 [2021-11-07 20:31:24,651 INFO L226 Difference]: Without dead ends: 1580 [2021-11-07 20:31:24,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.00ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:24,653 INFO L933 BasicCegarLoop]: 1784 mSDtfsCounter, 1772 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 3530 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.33ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.77ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:24,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1772 Valid, 3530 Invalid, 6 Unknown, 0 Unchecked, 3.33ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.77ms Time] [2021-11-07 20:31:24,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-11-07 20:31:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1580. [2021-11-07 20:31:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1580 states, 1484 states have (on average 1.2048517520215634) internal successors, (1788), 1579 states have internal predecessors, (1788), 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) [2021-11-07 20:31:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 1788 transitions. [2021-11-07 20:31:24,778 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 1788 transitions. Word has length 59 [2021-11-07 20:31:24,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:24,779 INFO L470 AbstractCegarLoop]: Abstraction has 1580 states and 1788 transitions. [2021-11-07 20:31:24,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) 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) [2021-11-07 20:31:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1788 transitions. [2021-11-07 20:31:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:31:24,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:24,780 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] [2021-11-07 20:31:24,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:31:24,780 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:24,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:24,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1184205734, now seen corresponding path program 1 times [2021-11-07 20:31:24,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:24,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879478203] [2021-11-07 20:31:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:24,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:24,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:24,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879478203] [2021-11-07 20:31:24,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879478203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:24,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:24,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:31:24,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054998993] [2021-11-07 20:31:24,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:24,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:31:24,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:24,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:31:24,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:31:24,917 INFO L87 Difference]: Start difference. First operand 1580 states and 1788 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 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) [2021-11-07 20:31:25,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:25,121 INFO L93 Difference]: Finished difference Result 3041 states and 3445 transitions. [2021-11-07 20:31:25,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:31:25,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 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 [2021-11-07 20:31:25,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:25,125 INFO L225 Difference]: With dead ends: 3041 [2021-11-07 20:31:25,125 INFO L226 Difference]: Without dead ends: 1529 [2021-11-07 20:31:25,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:31:25,129 INFO L933 BasicCegarLoop]: 1703 mSDtfsCounter, 1664 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.05ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:25,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1664 Valid, 1703 Invalid, 33 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [16 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 50.05ms Time] [2021-11-07 20:31:25,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2021-11-07 20:31:25,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1529. [2021-11-07 20:31:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1450 states have (on average 1.186206896551724) internal successors, (1720), 1528 states have internal predecessors, (1720), 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) [2021-11-07 20:31:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1720 transitions. [2021-11-07 20:31:25,229 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1720 transitions. Word has length 59 [2021-11-07 20:31:25,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:25,229 INFO L470 AbstractCegarLoop]: Abstraction has 1529 states and 1720 transitions. [2021-11-07 20:31:25,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 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) [2021-11-07 20:31:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1720 transitions. [2021-11-07 20:31:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:31:25,230 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:25,230 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] [2021-11-07 20:31:25,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:31:25,230 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:25,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:25,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2115844199, now seen corresponding path program 1 times [2021-11-07 20:31:25,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:25,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147042916] [2021-11-07 20:31:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:25,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:25,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:25,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147042916] [2021-11-07 20:31:25,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147042916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:25,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:25,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:25,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20665948] [2021-11-07 20:31:25,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:25,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:25,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:25,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:25,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:25,347 INFO L87 Difference]: Start difference. First operand 1529 states and 1720 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-11-07 20:31:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:25,499 INFO L93 Difference]: Finished difference Result 1529 states and 1720 transitions. [2021-11-07 20:31:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 61 [2021-11-07 20:31:25,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:25,503 INFO L225 Difference]: With dead ends: 1529 [2021-11-07 20:31:25,503 INFO L226 Difference]: Without dead ends: 1525 [2021-11-07 20:31:25,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.33ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:25,504 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 1690 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.61ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.24ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:25,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1690 Valid, 3394 Invalid, 6 Unknown, 0 Unchecked, 4.61ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 9.24ms Time] [2021-11-07 20:31:25,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2021-11-07 20:31:25,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1525. [2021-11-07 20:31:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1525 states, 1448 states have (on average 1.1850828729281768) internal successors, (1716), 1524 states have internal predecessors, (1716), 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) [2021-11-07 20:31:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1525 states and 1716 transitions. [2021-11-07 20:31:25,631 INFO L78 Accepts]: Start accepts. Automaton has 1525 states and 1716 transitions. Word has length 61 [2021-11-07 20:31:25,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:25,631 INFO L470 AbstractCegarLoop]: Abstraction has 1525 states and 1716 transitions. [2021-11-07 20:31:25,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-11-07 20:31:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1716 transitions. [2021-11-07 20:31:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:31:25,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:25,632 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] [2021-11-07 20:31:25,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:31:25,633 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:25,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:25,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1806960683, now seen corresponding path program 1 times [2021-11-07 20:31:25,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:25,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682604026] [2021-11-07 20:31:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:25,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:25,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:25,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:25,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682604026] [2021-11-07 20:31:25,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682604026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:25,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:25,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:25,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578959921] [2021-11-07 20:31:25,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:25,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:25,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:25,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:25,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:25,765 INFO L87 Difference]: Start difference. First operand 1525 states and 1716 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) [2021-11-07 20:31:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:25,912 INFO L93 Difference]: Finished difference Result 1525 states and 1716 transitions. [2021-11-07 20:31:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:25,913 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 [2021-11-07 20:31:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:25,915 INFO L225 Difference]: With dead ends: 1525 [2021-11-07 20:31:25,915 INFO L226 Difference]: Without dead ends: 1521 [2021-11-07 20:31:25,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.01ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:25,916 INFO L933 BasicCegarLoop]: 1708 mSDtfsCounter, 1676 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1676 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.35ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.24ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:25,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1676 Valid, 3394 Invalid, 6 Unknown, 0 Unchecked, 3.35ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.24ms Time] [2021-11-07 20:31:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2021-11-07 20:31:26,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1521. [2021-11-07 20:31:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1446 states have (on average 1.1839557399723375) internal successors, (1712), 1520 states have internal predecessors, (1712), 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) [2021-11-07 20:31:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1712 transitions. [2021-11-07 20:31:26,008 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1712 transitions. Word has length 63 [2021-11-07 20:31:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:26,009 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1712 transitions. [2021-11-07 20:31:26,009 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) [2021-11-07 20:31:26,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1712 transitions. [2021-11-07 20:31:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:31:26,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:26,010 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] [2021-11-07 20:31:26,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:31:26,011 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:26,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1322645583, now seen corresponding path program 1 times [2021-11-07 20:31:26,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:26,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74132656] [2021-11-07 20:31:26,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:26,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:26,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:26,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74132656] [2021-11-07 20:31:26,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74132656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:26,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:26,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:26,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392838326] [2021-11-07 20:31:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:26,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:26,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:26,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:26,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:26,148 INFO L87 Difference]: Start difference. First operand 1521 states and 1712 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 20:31:26,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:26,249 INFO L93 Difference]: Finished difference Result 1521 states and 1712 transitions. [2021-11-07 20:31:26,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:26,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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 65 [2021-11-07 20:31:26,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:26,252 INFO L225 Difference]: With dead ends: 1521 [2021-11-07 20:31:26,252 INFO L226 Difference]: Without dead ends: 1517 [2021-11-07 20:31:26,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:26,253 INFO L933 BasicCegarLoop]: 1704 mSDtfsCounter, 1662 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1662 SdHoareTripleChecker+Valid, 3394 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.20ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:26,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1662 Valid, 3394 Invalid, 6 Unknown, 0 Unchecked, 3.20ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.39ms Time] [2021-11-07 20:31:26,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2021-11-07 20:31:26,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1517. [2021-11-07 20:31:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1444 states have (on average 1.182825484764543) internal successors, (1708), 1516 states have internal predecessors, (1708), 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) [2021-11-07 20:31:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 1708 transitions. [2021-11-07 20:31:26,344 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 1708 transitions. Word has length 65 [2021-11-07 20:31:26,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:26,345 INFO L470 AbstractCegarLoop]: Abstraction has 1517 states and 1708 transitions. [2021-11-07 20:31:26,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 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) [2021-11-07 20:31:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1708 transitions. [2021-11-07 20:31:26,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:31:26,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:26,347 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] [2021-11-07 20:31:26,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 20:31:26,347 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:26,348 INFO L85 PathProgramCache]: Analyzing trace with hash -214087404, now seen corresponding path program 1 times [2021-11-07 20:31:26,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:26,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992775490] [2021-11-07 20:31:26,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:26,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:26,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:26,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992775490] [2021-11-07 20:31:26,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992775490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:26,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:26,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:26,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146258426] [2021-11-07 20:31:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:26,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:26,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:26,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:26,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:26,449 INFO L87 Difference]: Start difference. First operand 1517 states and 1708 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-07 20:31:28,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:31:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:28,904 INFO L93 Difference]: Finished difference Result 1756 states and 1962 transitions. [2021-11-07 20:31:28,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:28,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2021-11-07 20:31:28,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:28,907 INFO L225 Difference]: With dead ends: 1756 [2021-11-07 20:31:28,907 INFO L226 Difference]: Without dead ends: 1736 [2021-11-07 20:31:28,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.13ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:28,908 INFO L933 BasicCegarLoop]: 1906 mSDtfsCounter, 1383 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2160.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.34ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2318.24ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:28,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 4232 Invalid, 160 Unknown, 0 Unchecked, 6.34ms Time], IncrementalHoareTripleChecker [47 Valid, 112 Invalid, 1 Unknown, 0 Unchecked, 2318.24ms Time] [2021-11-07 20:31:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2021-11-07 20:31:29,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1497. [2021-11-07 20:31:29,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1434 states have (on average 1.1771269177126917) internal successors, (1688), 1496 states have internal predecessors, (1688), 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) [2021-11-07 20:31:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 1688 transitions. [2021-11-07 20:31:29,041 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 1688 transitions. Word has length 65 [2021-11-07 20:31:29,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:29,042 INFO L470 AbstractCegarLoop]: Abstraction has 1497 states and 1688 transitions. [2021-11-07 20:31:29,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-07 20:31:29,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1688 transitions. [2021-11-07 20:31:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:31:29,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:29,042 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] [2021-11-07 20:31:29,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 20:31:29,046 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:29,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:29,047 INFO L85 PathProgramCache]: Analyzing trace with hash -247697197, now seen corresponding path program 1 times [2021-11-07 20:31:29,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:29,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722382290] [2021-11-07 20:31:29,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:29,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:29,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:29,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722382290] [2021-11-07 20:31:29,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722382290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:29,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:29,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:29,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151705298] [2021-11-07 20:31:29,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:29,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:29,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:29,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:29,152 INFO L87 Difference]: Start difference. First operand 1497 states and 1688 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2021-11-07 20:31:29,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:29,255 INFO L93 Difference]: Finished difference Result 1497 states and 1688 transitions. [2021-11-07 20:31:29,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:29,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 67 [2021-11-07 20:31:29,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:29,257 INFO L225 Difference]: With dead ends: 1497 [2021-11-07 20:31:29,257 INFO L226 Difference]: Without dead ends: 1493 [2021-11-07 20:31:29,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.04ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:29,258 INFO L933 BasicCegarLoop]: 1680 mSDtfsCounter, 1628 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 3354 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.20ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:29,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1628 Valid, 3354 Invalid, 6 Unknown, 0 Unchecked, 3.00ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.20ms Time] [2021-11-07 20:31:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2021-11-07 20:31:29,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1493. [2021-11-07 20:31:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1432 states have (on average 1.175977653631285) internal successors, (1684), 1492 states have internal predecessors, (1684), 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) [2021-11-07 20:31:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1684 transitions. [2021-11-07 20:31:29,350 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1684 transitions. Word has length 67 [2021-11-07 20:31:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:29,350 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 1684 transitions. [2021-11-07 20:31:29,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2021-11-07 20:31:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1684 transitions. [2021-11-07 20:31:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 20:31:29,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:29,351 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] [2021-11-07 20:31:29,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:31:29,351 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr93ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:29,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1813587529, now seen corresponding path program 1 times [2021-11-07 20:31:29,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:29,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923668204] [2021-11-07 20:31:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:29,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:29,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:29,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923668204] [2021-11-07 20:31:29,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923668204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:29,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:29,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:29,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719183247] [2021-11-07 20:31:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:29,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:29,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:29,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:29,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:29,444 INFO L87 Difference]: Start difference. First operand 1493 states and 1684 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) [2021-11-07 20:31:29,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:29,740 INFO L93 Difference]: Finished difference Result 2841 states and 3201 transitions. [2021-11-07 20:31:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:29,741 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 [2021-11-07 20:31:29,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:29,745 INFO L225 Difference]: With dead ends: 2841 [2021-11-07 20:31:29,745 INFO L226 Difference]: Without dead ends: 2749 [2021-11-07 20:31:29,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.95ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:29,746 INFO L933 BasicCegarLoop]: 1661 mSDtfsCounter, 1602 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 4815 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.27ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.42ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:29,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1602 Valid, 4815 Invalid, 73 Unknown, 0 Unchecked, 4.27ms Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 72.42ms Time] [2021-11-07 20:31:29,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2021-11-07 20:31:29,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2613. [2021-11-07 20:31:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2613 states, 2552 states have (on average 1.1841692789968652) internal successors, (3022), 2612 states have internal predecessors, (3022), 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) [2021-11-07 20:31:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 3022 transitions. [2021-11-07 20:31:29,912 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 3022 transitions. Word has length 69 [2021-11-07 20:31:29,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:29,913 INFO L470 AbstractCegarLoop]: Abstraction has 2613 states and 3022 transitions. [2021-11-07 20:31:29,913 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) [2021-11-07 20:31:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 3022 transitions. [2021-11-07 20:31:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-07 20:31:29,913 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:29,914 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] [2021-11-07 20:31:29,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:31:29,914 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:29,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1124005197, now seen corresponding path program 1 times [2021-11-07 20:31:29,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:29,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785572904] [2021-11-07 20:31:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:29,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:30,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:30,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785572904] [2021-11-07 20:31:30,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785572904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:30,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:30,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:30,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332470093] [2021-11-07 20:31:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:30,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:30,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:30,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:30,094 INFO L87 Difference]: Start difference. First operand 2613 states and 3022 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-07 20:31:32,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:31:32,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:32,590 INFO L93 Difference]: Finished difference Result 3755 states and 4385 transitions. [2021-11-07 20:31:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:32,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2021-11-07 20:31:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:32,597 INFO L225 Difference]: With dead ends: 3755 [2021-11-07 20:31:32,598 INFO L226 Difference]: Without dead ends: 3749 [2021-11-07 20:31:32,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.05ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:32,599 INFO L933 BasicCegarLoop]: 1821 mSDtfsCounter, 991 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2085.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.58ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2222.50ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:32,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [991 Valid, 4955 Invalid, 53 Unknown, 0 Unchecked, 3.58ms Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2222.50ms Time] [2021-11-07 20:31:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3749 states. [2021-11-07 20:31:32,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3749 to 2607. [2021-11-07 20:31:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2607 states, 2549 states have (on average 1.1820321694782268) internal successors, (3013), 2606 states have internal predecessors, (3013), 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) [2021-11-07 20:31:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 3013 transitions. [2021-11-07 20:31:32,918 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 3013 transitions. Word has length 74 [2021-11-07 20:31:32,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:32,918 INFO L470 AbstractCegarLoop]: Abstraction has 2607 states and 3013 transitions. [2021-11-07 20:31:32,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2021-11-07 20:31:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3013 transitions. [2021-11-07 20:31:32,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 20:31:32,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:32,920 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] [2021-11-07 20:31:32,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 20:31:32,920 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:32,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:32,920 INFO L85 PathProgramCache]: Analyzing trace with hash 200450828, now seen corresponding path program 1 times [2021-11-07 20:31:32,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:32,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751998560] [2021-11-07 20:31:32,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:32,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:33,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:33,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:33,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751998560] [2021-11-07 20:31:33,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751998560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:33,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:33,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:31:33,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621459732] [2021-11-07 20:31:33,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:33,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:31:33,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:33,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:31:33,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:33,094 INFO L87 Difference]: Start difference. First operand 2607 states and 3013 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-07 20:31:33,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:33,475 INFO L93 Difference]: Finished difference Result 4915 states and 5791 transitions. [2021-11-07 20:31:33,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:33,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77 [2021-11-07 20:31:33,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:33,482 INFO L225 Difference]: With dead ends: 4915 [2021-11-07 20:31:33,482 INFO L226 Difference]: Without dead ends: 3714 [2021-11-07 20:31:33,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.85ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:31:33,484 INFO L933 BasicCegarLoop]: 1682 mSDtfsCounter, 2087 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 6696 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.42ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:33,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2087 Valid, 6696 Invalid, 29 Unknown, 0 Unchecked, 4.61ms Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 40.42ms Time] [2021-11-07 20:31:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3714 states. [2021-11-07 20:31:33,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3714 to 2625. [2021-11-07 20:31:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2567 states have (on average 1.1807557460070122) internal successors, (3031), 2624 states have internal predecessors, (3031), 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) [2021-11-07 20:31:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3031 transitions. [2021-11-07 20:31:33,753 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3031 transitions. Word has length 77 [2021-11-07 20:31:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:33,754 INFO L470 AbstractCegarLoop]: Abstraction has 2625 states and 3031 transitions. [2021-11-07 20:31:33,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-11-07 20:31:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3031 transitions. [2021-11-07 20:31:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 20:31:33,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:33,755 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] [2021-11-07 20:31:33,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:31:33,755 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 157 more)] === [2021-11-07 20:31:33,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:33,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1670986357, now seen corresponding path program 1 times [2021-11-07 20:31:33,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:33,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775568875] [2021-11-07 20:31:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:33,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:33,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:33,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775568875] [2021-11-07 20:31:33,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775568875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:33,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:33,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:33,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101963892] [2021-11-07 20:31:33,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:33,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:33,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:33,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:33,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:33,900 INFO L87 Difference]: Start difference. First operand 2625 states and 3031 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-07 20:31:34,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:34,320 INFO L93 Difference]: Finished difference Result 4095 states and 4748 transitions. [2021-11-07 20:31:34,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:34,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2021-11-07 20:31:34,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:34,327 INFO L225 Difference]: With dead ends: 4095 [2021-11-07 20:31:34,327 INFO L226 Difference]: Without dead ends: 4083 [2021-11-07 20:31:34,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:34,330 INFO L933 BasicCegarLoop]: 2018 mSDtfsCounter, 3146 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 3598 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.34ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.33ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:34,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3146 Valid, 3598 Invalid, 86 Unknown, 0 Unchecked, 4.34ms Time], IncrementalHoareTripleChecker [37 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 92.33ms Time] [2021-11-07 20:31:34,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4083 states. [2021-11-07 20:31:34,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4083 to 3589. [2021-11-07 20:31:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 3534 states have (on average 1.1901528013582343) internal successors, (4206), 3588 states have internal predecessors, (4206), 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) [2021-11-07 20:31:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 4206 transitions. [2021-11-07 20:31:34,661 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 4206 transitions. Word has length 79 [2021-11-07 20:31:34,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:34,661 INFO L470 AbstractCegarLoop]: Abstraction has 3589 states and 4206 transitions. [2021-11-07 20:31:34,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-07 20:31:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 4206 transitions. [2021-11-07 20:31:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 20:31:34,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:34,662 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] [2021-11-07 20:31:34,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:31:34,663 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)] === [2021-11-07 20:31:34,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:34,663 INFO L85 PathProgramCache]: Analyzing trace with hash -675612046, now seen corresponding path program 1 times [2021-11-07 20:31:34,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:34,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439289236] [2021-11-07 20:31:34,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:34,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:34,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:34,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439289236] [2021-11-07 20:31:34,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439289236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:34,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:34,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:34,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040956168] [2021-11-07 20:31:34,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:34,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:34,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:34,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:34,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:34,848 INFO L87 Difference]: Start difference. First operand 3589 states and 4206 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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) [2021-11-07 20:31:36,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:31:37,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:37,595 INFO L93 Difference]: Finished difference Result 5509 states and 6532 transitions. [2021-11-07 20:31:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:37,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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 [2021-11-07 20:31:37,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:37,607 INFO L225 Difference]: With dead ends: 5509 [2021-11-07 20:31:37,608 INFO L226 Difference]: Without dead ends: 5497 [2021-11-07 20:31:37,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.70ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:37,611 INFO L933 BasicCegarLoop]: 3258 mSDtfsCounter, 1493 mSDsluCounter, 4250 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2139.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 7508 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.62ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2299.78ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:37,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1493 Valid, 7508 Invalid, 88 Unknown, 0 Unchecked, 5.62ms Time], IncrementalHoareTripleChecker [15 Valid, 72 Invalid, 1 Unknown, 0 Unchecked, 2299.78ms Time] [2021-11-07 20:31:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5497 states. [2021-11-07 20:31:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5497 to 3707. [2021-11-07 20:31:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3707 states, 3656 states have (on average 1.1920131291028446) internal successors, (4358), 3706 states have internal predecessors, (4358), 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) [2021-11-07 20:31:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 4358 transitions. [2021-11-07 20:31:37,956 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 4358 transitions. Word has length 84 [2021-11-07 20:31:37,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:37,956 INFO L470 AbstractCegarLoop]: Abstraction has 3707 states and 4358 transitions. [2021-11-07 20:31:37,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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) [2021-11-07 20:31:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4358 transitions. [2021-11-07 20:31:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 20:31:37,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:37,958 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] [2021-11-07 20:31:37,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:31:37,958 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)] === [2021-11-07 20:31:37,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:37,959 INFO L85 PathProgramCache]: Analyzing trace with hash 419776777, now seen corresponding path program 1 times [2021-11-07 20:31:37,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:37,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655764302] [2021-11-07 20:31:37,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:37,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:38,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:38,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655764302] [2021-11-07 20:31:38,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655764302] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:38,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:38,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:38,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576247974] [2021-11-07 20:31:38,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:38,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:38,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:38,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:38,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:38,086 INFO L87 Difference]: Start difference. First operand 3707 states and 4358 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-07 20:31:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:38,663 INFO L93 Difference]: Finished difference Result 3794 states and 4449 transitions. [2021-11-07 20:31:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:38,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2021-11-07 20:31:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:38,673 INFO L225 Difference]: With dead ends: 3794 [2021-11-07 20:31:38,673 INFO L226 Difference]: Without dead ends: 3774 [2021-11-07 20:31:38,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.26ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:38,674 INFO L933 BasicCegarLoop]: 1704 mSDtfsCounter, 2653 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.06ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 201.07ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:38,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2653 Valid, 2236 Invalid, 145 Unknown, 0 Unchecked, 4.06ms Time], IncrementalHoareTripleChecker [55 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 201.07ms Time] [2021-11-07 20:31:38,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2021-11-07 20:31:39,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 3687. [2021-11-07 20:31:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 3646 states have (on average 1.1826659352715305) internal successors, (4312), 3686 states have internal predecessors, (4312), 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) [2021-11-07 20:31:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 4312 transitions. [2021-11-07 20:31:39,085 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 4312 transitions. Word has length 89 [2021-11-07 20:31:39,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:39,085 INFO L470 AbstractCegarLoop]: Abstraction has 3687 states and 4312 transitions. [2021-11-07 20:31:39,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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) [2021-11-07 20:31:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4312 transitions. [2021-11-07 20:31:39,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 20:31:39,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:39,087 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] [2021-11-07 20:31:39,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:31:39,087 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)] === [2021-11-07 20:31:39,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:39,087 INFO L85 PathProgramCache]: Analyzing trace with hash 623283657, now seen corresponding path program 1 times [2021-11-07 20:31:39,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:39,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547712495] [2021-11-07 20:31:39,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:39,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:39,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:39,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547712495] [2021-11-07 20:31:39,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547712495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:39,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:39,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:31:39,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553760398] [2021-11-07 20:31:39,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:39,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:39,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:39,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:39,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:39,249 INFO L87 Difference]: Start difference. First operand 3687 states and 4312 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2021-11-07 20:31:39,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:39,855 INFO L93 Difference]: Finished difference Result 6032 states and 7107 transitions. [2021-11-07 20:31:39,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:39,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 98 [2021-11-07 20:31:39,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:39,863 INFO L225 Difference]: With dead ends: 6032 [2021-11-07 20:31:39,863 INFO L226 Difference]: Without dead ends: 6024 [2021-11-07 20:31:39,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.17ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:39,865 INFO L933 BasicCegarLoop]: 2102 mSDtfsCounter, 3164 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3164 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.73ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.67ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:39,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3164 Valid, 3856 Invalid, 69 Unknown, 0 Unchecked, 4.73ms Time], IncrementalHoareTripleChecker [30 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 82.67ms Time] [2021-11-07 20:31:39,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6024 states. [2021-11-07 20:31:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6024 to 5017. [2021-11-07 20:31:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5017 states, 4978 states have (on average 1.1944556046605062) internal successors, (5946), 5016 states have internal predecessors, (5946), 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) [2021-11-07 20:31:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 5017 states and 5946 transitions. [2021-11-07 20:31:40,331 INFO L78 Accepts]: Start accepts. Automaton has 5017 states and 5946 transitions. Word has length 98 [2021-11-07 20:31:40,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:40,331 INFO L470 AbstractCegarLoop]: Abstraction has 5017 states and 5946 transitions. [2021-11-07 20:31:40,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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) [2021-11-07 20:31:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 5946 transitions. [2021-11-07 20:31:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-07 20:31:40,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:40,334 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] [2021-11-07 20:31:40,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 20:31:40,334 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)] === [2021-11-07 20:31:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:40,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1264865268, now seen corresponding path program 1 times [2021-11-07 20:31:40,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:40,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075493121] [2021-11-07 20:31:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:40,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:40,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:40,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075493121] [2021-11-07 20:31:40,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075493121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:40,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:40,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:31:40,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614556277] [2021-11-07 20:31:40,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:40,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:31:40,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:40,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:31:40,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:31:40,471 INFO L87 Difference]: Start difference. First operand 5017 states and 5946 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-07 20:31:42,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:31:43,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:43,258 INFO L93 Difference]: Finished difference Result 5169 states and 6112 transitions. [2021-11-07 20:31:43,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:31:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 98 [2021-11-07 20:31:43,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:43,266 INFO L225 Difference]: With dead ends: 5169 [2021-11-07 20:31:43,266 INFO L226 Difference]: Without dead ends: 5135 [2021-11-07 20:31:43,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.62ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:43,267 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 1370 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2183.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 3756 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.84ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2324.14ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:43,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1370 Valid, 3756 Invalid, 173 Unknown, 0 Unchecked, 3.84ms Time], IncrementalHoareTripleChecker [68 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 2324.14ms Time] [2021-11-07 20:31:43,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5135 states. [2021-11-07 20:31:43,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5135 to 4983. [2021-11-07 20:31:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4983 states, 4961 states have (on average 1.1793993146543036) internal successors, (5851), 4982 states have internal predecessors, (5851), 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) [2021-11-07 20:31:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4983 states to 4983 states and 5851 transitions. [2021-11-07 20:31:43,705 INFO L78 Accepts]: Start accepts. Automaton has 4983 states and 5851 transitions. Word has length 98 [2021-11-07 20:31:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:43,705 INFO L470 AbstractCegarLoop]: Abstraction has 4983 states and 5851 transitions. [2021-11-07 20:31:43,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-11-07 20:31:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4983 states and 5851 transitions. [2021-11-07 20:31:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 20:31:43,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:43,707 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] [2021-11-07 20:31:43,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 20:31:43,707 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)] === [2021-11-07 20:31:43,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:43,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1381551625, now seen corresponding path program 1 times [2021-11-07 20:31:43,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:43,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489605600] [2021-11-07 20:31:43,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:43,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:43,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:43,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489605600] [2021-11-07 20:31:43,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489605600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:43,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:43,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 20:31:43,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117916134] [2021-11-07 20:31:43,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:43,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 20:31:43,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:43,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 20:31:43,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:31:43,940 INFO L87 Difference]: Start difference. First operand 4983 states and 5851 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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) [2021-11-07 20:31:45,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:45,182 INFO L93 Difference]: Finished difference Result 13887 states and 16363 transitions. [2021-11-07 20:31:45,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 20:31:45,183 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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 102 [2021-11-07 20:31:45,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:45,199 INFO L225 Difference]: With dead ends: 13887 [2021-11-07 20:31:45,199 INFO L226 Difference]: Without dead ends: 8987 [2021-11-07 20:31:45,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 140.58ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-07 20:31:45,209 INFO L933 BasicCegarLoop]: 2831 mSDtfsCounter, 7419 mSDsluCounter, 9578 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 216.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7419 SdHoareTripleChecker+Valid, 12409 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 241.52ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:45,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7419 Valid, 12409 Invalid, 63 Unknown, 0 Unchecked, 10.48ms Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 241.52ms Time] [2021-11-07 20:31:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8987 states. [2021-11-07 20:31:45,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8987 to 4989. [2021-11-07 20:31:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4989 states, 4967 states have (on average 1.1791826051942822) internal successors, (5857), 4988 states have internal predecessors, (5857), 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) [2021-11-07 20:31:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 5857 transitions. [2021-11-07 20:31:45,773 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 5857 transitions. Word has length 102 [2021-11-07 20:31:45,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:45,773 INFO L470 AbstractCegarLoop]: Abstraction has 4989 states and 5857 transitions. [2021-11-07 20:31:45,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 states have internal predecessors, (102), 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) [2021-11-07 20:31:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 5857 transitions. [2021-11-07 20:31:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 20:31:45,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:45,775 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] [2021-11-07 20:31:45,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 20:31:45,775 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)] === [2021-11-07 20:31:45,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash -722844341, now seen corresponding path program 1 times [2021-11-07 20:31:45,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:45,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935152450] [2021-11-07 20:31:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:45,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:45,815 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:31:45,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565966859] [2021-11-07 20:31:45,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:45,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:31:45,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:31:45,817 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) [2021-11-07 20:31:45,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:31:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:31:46,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 2541 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 20:31:46,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:31:46,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:31:46,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:31:46,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:31:46,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935152450] [2021-11-07 20:31:46,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 20:31:46,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565966859] [2021-11-07 20:31:46,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565966859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:31:46,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:31:46,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 20:31:46,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079326440] [2021-11-07 20:31:46,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:31:46,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:31:46,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:31:46,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:31:46,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:31:46,733 INFO L87 Difference]: Start difference. First operand 4989 states and 5857 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 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) [2021-11-07 20:31:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:31:47,945 INFO L93 Difference]: Finished difference Result 13350 states and 15788 transitions. [2021-11-07 20:31:47,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:31:47,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 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 [2021-11-07 20:31:47,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:31:47,957 INFO L225 Difference]: With dead ends: 13350 [2021-11-07 20:31:47,958 INFO L226 Difference]: Without dead ends: 8373 [2021-11-07 20:31:47,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.30ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:31:47,966 INFO L933 BasicCegarLoop]: 1602 mSDtfsCounter, 1532 mSDsluCounter, 4588 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.26ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 318.77ms IncrementalHoareTripleChecker+Time [2021-11-07 20:31:47,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1532 Valid, 6190 Invalid, 233 Unknown, 0 Unchecked, 6.26ms Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 318.77ms Time] [2021-11-07 20:31:47,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8373 states. [2021-11-07 20:31:48,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8373 to 4992. [2021-11-07 20:31:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4992 states, 4970 states have (on average 1.1790744466800804) internal successors, (5860), 4991 states have internal predecessors, (5860), 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) [2021-11-07 20:31:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4992 states and 5860 transitions. [2021-11-07 20:31:48,547 INFO L78 Accepts]: Start accepts. Automaton has 4992 states and 5860 transitions. Word has length 108 [2021-11-07 20:31:48,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:31:48,547 INFO L470 AbstractCegarLoop]: Abstraction has 4992 states and 5860 transitions. [2021-11-07 20:31:48,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 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) [2021-11-07 20:31:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 4992 states and 5860 transitions. [2021-11-07 20:31:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 20:31:48,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:31:48,549 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] [2021-11-07 20:31:48,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 20:31:48,751 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 [2021-11-07 20:31:48,752 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)] === [2021-11-07 20:31:48,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:31:48,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1705414281, now seen corresponding path program 1 times [2021-11-07 20:31:48,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:31:48,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577554559] [2021-11-07 20:31:48,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:48,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:31:48,794 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 20:31:48,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060295028] [2021-11-07 20:31:48,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:31:48,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:31:48,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:31:48,796 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) [2021-11-07 20:31:48,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Killed by 15