./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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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--media--usb--ttusb-budget--dvb-ttusb-budget.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 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 21:36:13,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 21:36:13,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 21:36:13,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 21:36:13,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 21:36:13,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 21:36:13,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 21:36:13,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 21:36:13,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 21:36:13,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 21:36:13,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 21:36:13,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 21:36:13,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 21:36:13,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 21:36:13,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 21:36:13,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 21:36:13,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 21:36:13,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 21:36:13,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 21:36:13,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 21:36:13,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 21:36:13,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 21:36:13,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 21:36:13,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 21:36:13,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 21:36:13,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 21:36:13,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 21:36:13,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 21:36:13,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 21:36:13,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 21:36:13,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 21:36:13,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 21:36:13,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 21:36:13,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 21:36:13,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 21:36:13,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 21:36:13,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 21:36:13,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 21:36:13,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 21:36:13,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 21:36:13,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 21:36:13,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 21:36:13,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 21:36:13,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 21:36:13,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 21:36:13,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 21:36:13,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 21:36:13,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 21:36:13,154 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 21:36:13,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 21:36:13,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 21:36:13,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 21:36:13,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 21:36:13,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 21:36:13,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 21:36:13,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 21:36:13,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 21:36:13,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 21:36:13,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 21:36:13,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 21:36:13,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 21:36:13,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 21:36:13,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 21:36:13,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 21:36:13,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 21:36:13,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 21:36:13,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 21:36:13,160 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 21:36:13,160 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 21:36:13,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 21:36:13,161 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 21:36:13,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d [2021-11-06 21:36:13,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 21:36:13,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 21:36:13,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 21:36:13,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 21:36:13,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 21:36:13,409 INFO L432 ainManager$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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2021-11-06 21:36:13,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e4b58f1/4380431309c4456d8be2454e2191e8c7/FLAG896a497d5 [2021-11-06 21:36:14,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 21:36:14,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2021-11-06 21:36:14,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e4b58f1/4380431309c4456d8be2454e2191e8c7/FLAG896a497d5 [2021-11-06 21:36:14,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e4b58f1/4380431309c4456d8be2454e2191e8c7 [2021-11-06 21:36:14,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 21:36:14,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 21:36:14,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 21:36:14,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 21:36:14,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 21:36:14,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:14" (1/1) ... [2021-11-06 21:36:14,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b9ed0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:14, skipping insertion in model container [2021-11-06 21:36:14,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:36:14" (1/1) ... [2021-11-06 21:36:14,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 21:36:14,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 21:36:17,163 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2021-11-06 21:36:17,166 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2021-11-06 21:36:17,167 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2021-11-06 21:36:17,167 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2021-11-06 21:36:17,168 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2021-11-06 21:36:17,169 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2021-11-06 21:36:17,170 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2021-11-06 21:36:17,170 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2021-11-06 21:36:17,171 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2021-11-06 21:36:17,171 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2021-11-06 21:36:17,171 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2021-11-06 21:36:17,172 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2021-11-06 21:36:17,172 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2021-11-06 21:36:17,173 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2021-11-06 21:36:17,173 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2021-11-06 21:36:17,173 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2021-11-06 21:36:17,174 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2021-11-06 21:36:17,174 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2021-11-06 21:36:17,175 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2021-11-06 21:36:17,175 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2021-11-06 21:36:17,176 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2021-11-06 21:36:17,176 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2021-11-06 21:36:17,176 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2021-11-06 21:36:17,177 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2021-11-06 21:36:17,177 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2021-11-06 21:36:17,179 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2021-11-06 21:36:17,179 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2021-11-06 21:36:17,180 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2021-11-06 21:36:17,181 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2021-11-06 21:36:17,182 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2021-11-06 21:36:17,182 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2021-11-06 21:36:17,183 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2021-11-06 21:36:17,184 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2021-11-06 21:36:17,184 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2021-11-06 21:36:17,185 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2021-11-06 21:36:17,185 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2021-11-06 21:36:17,186 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2021-11-06 21:36:17,186 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2021-11-06 21:36:17,187 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2021-11-06 21:36:17,187 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2021-11-06 21:36:17,187 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2021-11-06 21:36:17,188 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2021-11-06 21:36:17,188 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2021-11-06 21:36:17,189 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2021-11-06 21:36:17,189 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2021-11-06 21:36:17,189 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2021-11-06 21:36:17,190 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2021-11-06 21:36:17,191 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2021-11-06 21:36:17,191 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2021-11-06 21:36:17,192 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2021-11-06 21:36:17,192 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2021-11-06 21:36:17,192 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2021-11-06 21:36:17,193 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2021-11-06 21:36:17,193 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2021-11-06 21:36:17,194 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2021-11-06 21:36:17,194 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2021-11-06 21:36:17,194 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2021-11-06 21:36:17,195 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2021-11-06 21:36:17,195 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2021-11-06 21:36:17,195 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2021-11-06 21:36:17,196 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2021-11-06 21:36:17,197 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2021-11-06 21:36:17,197 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2021-11-06 21:36:17,197 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2021-11-06 21:36:17,198 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2021-11-06 21:36:17,198 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2021-11-06 21:36:17,199 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2021-11-06 21:36:17,199 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2021-11-06 21:36:17,199 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2021-11-06 21:36:17,200 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2021-11-06 21:36:17,200 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2021-11-06 21:36:17,201 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2021-11-06 21:36:17,201 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2021-11-06 21:36:17,201 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2021-11-06 21:36:17,202 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2021-11-06 21:36:17,202 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2021-11-06 21:36:17,202 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2021-11-06 21:36:17,203 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2021-11-06 21:36:17,203 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2021-11-06 21:36:17,204 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2021-11-06 21:36:17,204 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2021-11-06 21:36:17,204 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2021-11-06 21:36:17,205 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2021-11-06 21:36:17,205 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2021-11-06 21:36:17,206 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2021-11-06 21:36:17,206 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2021-11-06 21:36:17,206 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2021-11-06 21:36:17,207 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2021-11-06 21:36:17,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 21:36:17,261 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 21:36:17,608 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405731,405744] [2021-11-06 21:36:17,609 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[405876,405889] [2021-11-06 21:36:17,609 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406022,406035] [2021-11-06 21:36:17,610 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406187,406200] [2021-11-06 21:36:17,611 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406345,406358] [2021-11-06 21:36:17,614 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406503,406516] [2021-11-06 21:36:17,615 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406661,406674] [2021-11-06 21:36:17,616 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406821,406834] [2021-11-06 21:36:17,616 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[406980,406993] [2021-11-06 21:36:17,617 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407119,407132] [2021-11-06 21:36:17,617 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407261,407274] [2021-11-06 21:36:17,618 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407410,407423] [2021-11-06 21:36:17,618 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407549,407562] [2021-11-06 21:36:17,618 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407704,407717] [2021-11-06 21:36:17,619 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[407864,407877] [2021-11-06 21:36:17,619 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408015,408028] [2021-11-06 21:36:17,619 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408166,408179] [2021-11-06 21:36:17,620 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408318,408331] [2021-11-06 21:36:17,621 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408467,408480] [2021-11-06 21:36:17,621 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408615,408628] [2021-11-06 21:36:17,622 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408772,408785] [2021-11-06 21:36:17,623 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[408921,408934] [2021-11-06 21:36:17,623 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409077,409090] [2021-11-06 21:36:17,624 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409230,409243] [2021-11-06 21:36:17,624 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409376,409389] [2021-11-06 21:36:17,624 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409519,409532] [2021-11-06 21:36:17,625 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409671,409684] [2021-11-06 21:36:17,625 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409817,409830] [2021-11-06 21:36:17,625 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[409962,409975] [2021-11-06 21:36:17,626 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410116,410129] [2021-11-06 21:36:17,626 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410267,410280] [2021-11-06 21:36:17,626 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410422,410435] [2021-11-06 21:36:17,630 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410574,410587] [2021-11-06 21:36:17,630 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410729,410742] [2021-11-06 21:36:17,631 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[410893,410906] [2021-11-06 21:36:17,631 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411049,411062] [2021-11-06 21:36:17,632 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411213,411226] [2021-11-06 21:36:17,632 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411355,411368] [2021-11-06 21:36:17,632 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411513,411526] [2021-11-06 21:36:17,633 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411680,411693] [2021-11-06 21:36:17,634 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411839,411852] [2021-11-06 21:36:17,634 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[411998,412011] [2021-11-06 21:36:17,635 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412147,412160] [2021-11-06 21:36:17,635 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412294,412307] [2021-11-06 21:36:17,635 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412433,412446] [2021-11-06 21:36:17,636 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412596,412609] [2021-11-06 21:36:17,636 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412762,412775] [2021-11-06 21:36:17,636 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[412926,412939] [2021-11-06 21:36:17,636 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413091,413104] [2021-11-06 21:36:17,637 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413256,413269] [2021-11-06 21:36:17,637 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413422,413435] [2021-11-06 21:36:17,638 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413587,413600] [2021-11-06 21:36:17,638 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413754,413767] [2021-11-06 21:36:17,638 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[413914,413927] [2021-11-06 21:36:17,639 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414076,414089] [2021-11-06 21:36:17,639 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414235,414248] [2021-11-06 21:36:17,639 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414381,414394] [2021-11-06 21:36:17,640 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414524,414537] [2021-11-06 21:36:17,640 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414668,414681] [2021-11-06 21:36:17,641 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414811,414824] [2021-11-06 21:36:17,641 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[414955,414968] [2021-11-06 21:36:17,642 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415096,415109] [2021-11-06 21:36:17,642 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415234,415247] [2021-11-06 21:36:17,643 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415392,415405] [2021-11-06 21:36:17,644 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415551,415564] [2021-11-06 21:36:17,646 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415707,415720] [2021-11-06 21:36:17,646 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[415856,415869] [2021-11-06 21:36:17,647 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416008,416021] [2021-11-06 21:36:17,650 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416159,416172] [2021-11-06 21:36:17,652 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416308,416321] [2021-11-06 21:36:17,652 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416460,416473] [2021-11-06 21:36:17,653 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416608,416621] [2021-11-06 21:36:17,653 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416761,416774] [2021-11-06 21:36:17,653 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[416912,416925] [2021-11-06 21:36:17,659 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417062,417075] [2021-11-06 21:36:17,659 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417209,417222] [2021-11-06 21:36:17,660 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417360,417373] [2021-11-06 21:36:17,660 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417511,417524] [2021-11-06 21:36:17,661 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417659,417672] [2021-11-06 21:36:17,662 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417825,417838] [2021-11-06 21:36:17,662 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[417994,418007] [2021-11-06 21:36:17,663 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418161,418174] [2021-11-06 21:36:17,663 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418329,418342] [2021-11-06 21:36:17,663 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418479,418492] [2021-11-06 21:36:17,664 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418626,418639] [2021-11-06 21:36:17,664 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418787,418800] [2021-11-06 21:36:17,665 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[418957,418970] [2021-11-06 21:36:17,665 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--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i[419119,419132] [2021-11-06 21:36:17,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 21:36:17,809 INFO L208 MainTranslator]: Completed translation [2021-11-06 21:36:17,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17 WrapperNode [2021-11-06 21:36:17,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 21:36:17,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 21:36:17,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 21:36:17,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 21:36:17,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:17,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 21:36:18,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 21:36:18,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 21:36:18,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 21:36:18,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:18,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 21:36:18,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 21:36:19,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 21:36:19,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 21:36:19,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (1/1) ... [2021-11-06 21:36:19,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 21:36:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:36:19,056 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) [2021-11-06 21:36:19,080 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 [2021-11-06 21:36:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 21:36:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 21:36:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 21:36:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 21:36:53,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_9_returnLabel: main_#res := 0; [2021-11-06 21:36:53,392 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-06 21:36:53,393 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L10512: #t~ret967 := main_#res; [2021-11-06 21:36:53,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 21:36:53,426 INFO L299 CfgBuilder]: Removed 3340 assume(true) statements. [2021-11-06 21:36:53,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:53 BoogieIcfgContainer [2021-11-06 21:36:53,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 21:36:53,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 21:36:53,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 21:36:53,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 21:36:53,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:36:14" (1/3) ... [2021-11-06 21:36:53,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c6b469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:53, skipping insertion in model container [2021-11-06 21:36:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:36:17" (2/3) ... [2021-11-06 21:36:53,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c6b469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:36:53, skipping insertion in model container [2021-11-06 21:36:53,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:36:53" (3/3) ... [2021-11-06 21:36:53,441 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2021-11-06 21:36:53,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 21:36:53,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 297 error locations. [2021-11-06 21:36:53,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 21:36:53,519 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 [2021-11-06 21:36:53,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 297 error locations. [2021-11-06 21:36:53,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 4269 states, 3972 states have (on average 1.4894259818731117) internal successors, (5916), 4268 states have internal predecessors, (5916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-06 21:36:53,594 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:53,595 INFO L513 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] [2021-11-06 21:36:53,595 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr207ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:53,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1977098488, now seen corresponding path program 1 times [2021-11-06 21:36:53,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:53,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396703130] [2021-11-06 21:36:53,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:53,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:54,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:54,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396703130] [2021-11-06 21:36:54,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396703130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:54,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:54,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:54,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323314986] [2021-11-06 21:36:54,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:54,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:54,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:54,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:54,351 INFO L87 Difference]: Start difference. First operand has 4269 states, 3972 states have (on average 1.4894259818731117) internal successors, (5916), 4268 states have internal predecessors, (5916), 0 states have call successors, (0), 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) [2021-11-06 21:36:54,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:54,580 INFO L93 Difference]: Finished difference Result 8461 states and 11734 transitions. [2021-11-06 21:36:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:54,582 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 [2021-11-06 21:36:54,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:54,611 INFO L225 Difference]: With dead ends: 8461 [2021-11-06 21:36:54,611 INFO L226 Difference]: Without dead ends: 4197 [2021-11-06 21:36:54,623 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:54,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2021-11-06 21:36:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4197. [2021-11-06 21:36:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4197 states, 3902 states have (on average 1.4023577652485906) internal successors, (5472), 4196 states have internal predecessors, (5472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 5472 transitions. [2021-11-06 21:36:54,777 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 5472 transitions. Word has length 29 [2021-11-06 21:36:54,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:54,781 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 5472 transitions. [2021-11-06 21:36:54,781 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) [2021-11-06 21:36:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 5472 transitions. [2021-11-06 21:36:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-06 21:36:54,783 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:54,783 INFO L513 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] [2021-11-06 21:36:54,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 21:36:54,784 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr208ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:54,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1615619028, now seen corresponding path program 1 times [2021-11-06 21:36:54,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:54,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359544542] [2021-11-06 21:36:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:54,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:55,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:55,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359544542] [2021-11-06 21:36:55,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359544542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:55,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:55,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:55,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667831783] [2021-11-06 21:36:55,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:55,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:55,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:55,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:55,090 INFO L87 Difference]: Start difference. First operand 4197 states and 5472 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) [2021-11-06 21:36:55,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:55,199 INFO L93 Difference]: Finished difference Result 4197 states and 5472 transitions. [2021-11-06 21:36:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:55,200 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 [2021-11-06 21:36:55,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:55,214 INFO L225 Difference]: With dead ends: 4197 [2021-11-06 21:36:55,215 INFO L226 Difference]: Without dead ends: 4193 [2021-11-06 21:36:55,216 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2021-11-06 21:36:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 4193. [2021-11-06 21:36:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4193 states, 3900 states have (on average 1.402051282051282) internal successors, (5468), 4192 states have internal predecessors, (5468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 5468 transitions. [2021-11-06 21:36:55,312 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 5468 transitions. Word has length 31 [2021-11-06 21:36:55,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:55,312 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 5468 transitions. [2021-11-06 21:36:55,313 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) [2021-11-06 21:36:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 5468 transitions. [2021-11-06 21:36:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-06 21:36:55,314 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:55,314 INFO L513 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] [2021-11-06 21:36:55,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 21:36:55,314 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr209ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2126208592, now seen corresponding path program 1 times [2021-11-06 21:36:55,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:55,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584435206] [2021-11-06 21:36:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:55,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:55,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:55,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584435206] [2021-11-06 21:36:55,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584435206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:55,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:55,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:55,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048170419] [2021-11-06 21:36:55,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:55,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:55,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:55,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:55,650 INFO L87 Difference]: Start difference. First operand 4193 states and 5468 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) [2021-11-06 21:36:55,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:55,762 INFO L93 Difference]: Finished difference Result 4193 states and 5468 transitions. [2021-11-06 21:36:55,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:55,763 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 [2021-11-06 21:36:55,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:55,777 INFO L225 Difference]: With dead ends: 4193 [2021-11-06 21:36:55,777 INFO L226 Difference]: Without dead ends: 4189 [2021-11-06 21:36:55,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:55,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2021-11-06 21:36:55,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 4189. [2021-11-06 21:36:55,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4189 states, 3898 states have (on average 1.4017444843509492) internal successors, (5464), 4188 states have internal predecessors, (5464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 5464 transitions. [2021-11-06 21:36:55,880 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 5464 transitions. Word has length 33 [2021-11-06 21:36:55,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:55,880 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 5464 transitions. [2021-11-06 21:36:55,881 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) [2021-11-06 21:36:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 5464 transitions. [2021-11-06 21:36:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-06 21:36:55,882 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:55,882 INFO L513 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] [2021-11-06 21:36:55,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 21:36:55,882 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr210ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:55,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:55,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1118459796, now seen corresponding path program 1 times [2021-11-06 21:36:55,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:55,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86103271] [2021-11-06 21:36:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:55,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:56,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:56,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86103271] [2021-11-06 21:36:56,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86103271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:56,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:56,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:56,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747773531] [2021-11-06 21:36:56,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:56,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:56,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:56,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:56,103 INFO L87 Difference]: Start difference. First operand 4189 states and 5464 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) [2021-11-06 21:36:56,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:56,214 INFO L93 Difference]: Finished difference Result 4189 states and 5464 transitions. [2021-11-06 21:36:56,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:56,215 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 [2021-11-06 21:36:56,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:56,229 INFO L225 Difference]: With dead ends: 4189 [2021-11-06 21:36:56,229 INFO L226 Difference]: Without dead ends: 4185 [2021-11-06 21:36:56,231 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:56,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2021-11-06 21:36:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 4185. [2021-11-06 21:36:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4185 states, 3896 states have (on average 1.4014373716632444) internal successors, (5460), 4184 states have internal predecessors, (5460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 5460 transitions. [2021-11-06 21:36:56,332 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 5460 transitions. Word has length 35 [2021-11-06 21:36:56,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:56,333 INFO L470 AbstractCegarLoop]: Abstraction has 4185 states and 5460 transitions. [2021-11-06 21:36:56,333 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) [2021-11-06 21:36:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 5460 transitions. [2021-11-06 21:36:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-06 21:36:56,334 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:56,334 INFO L513 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] [2021-11-06 21:36:56,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 21:36:56,335 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr211ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:56,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:56,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1098524120, now seen corresponding path program 1 times [2021-11-06 21:36:56,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:56,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858116495] [2021-11-06 21:36:56,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:56,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:56,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:56,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858116495] [2021-11-06 21:36:56,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858116495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:56,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:56,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:56,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570300572] [2021-11-06 21:36:56,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:56,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:56,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:56,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:56,542 INFO L87 Difference]: Start difference. First operand 4185 states and 5460 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) [2021-11-06 21:36:56,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:56,659 INFO L93 Difference]: Finished difference Result 4185 states and 5460 transitions. [2021-11-06 21:36:56,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:56,660 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 [2021-11-06 21:36:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:56,675 INFO L225 Difference]: With dead ends: 4185 [2021-11-06 21:36:56,675 INFO L226 Difference]: Without dead ends: 4181 [2021-11-06 21:36:56,677 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:56,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2021-11-06 21:36:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 4181. [2021-11-06 21:36:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4181 states, 3894 states have (on average 1.4011299435028248) internal successors, (5456), 4180 states have internal predecessors, (5456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5456 transitions. [2021-11-06 21:36:56,804 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5456 transitions. Word has length 37 [2021-11-06 21:36:56,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:56,805 INFO L470 AbstractCegarLoop]: Abstraction has 4181 states and 5456 transitions. [2021-11-06 21:36:56,805 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) [2021-11-06 21:36:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5456 transitions. [2021-11-06 21:36:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-06 21:36:56,810 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:56,810 INFO L513 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] [2021-11-06 21:36:56,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 21:36:56,810 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr212ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash -879790980, now seen corresponding path program 1 times [2021-11-06 21:36:56,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:56,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163969106] [2021-11-06 21:36:56,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:56,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:57,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:57,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163969106] [2021-11-06 21:36:57,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163969106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:57,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:57,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:57,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93052691] [2021-11-06 21:36:57,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:57,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:57,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:57,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:57,106 INFO L87 Difference]: Start difference. First operand 4181 states and 5456 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) [2021-11-06 21:36:57,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:57,238 INFO L93 Difference]: Finished difference Result 4181 states and 5456 transitions. [2021-11-06 21:36:57,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:57,239 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 [2021-11-06 21:36:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:57,254 INFO L225 Difference]: With dead ends: 4181 [2021-11-06 21:36:57,254 INFO L226 Difference]: Without dead ends: 4177 [2021-11-06 21:36:57,256 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2021-11-06 21:36:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 4177. [2021-11-06 21:36:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4177 states, 3892 states have (on average 1.4008221993833505) internal successors, (5452), 4176 states have internal predecessors, (5452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 5452 transitions. [2021-11-06 21:36:57,381 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 5452 transitions. Word has length 39 [2021-11-06 21:36:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:57,381 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 5452 transitions. [2021-11-06 21:36:57,381 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) [2021-11-06 21:36:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 5452 transitions. [2021-11-06 21:36:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-06 21:36:57,382 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:57,383 INFO L513 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] [2021-11-06 21:36:57,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 21:36:57,383 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr213ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:57,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:57,383 INFO L85 PathProgramCache]: Analyzing trace with hash 629910400, now seen corresponding path program 1 times [2021-11-06 21:36:57,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:57,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316352859] [2021-11-06 21:36:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:57,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:57,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:57,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316352859] [2021-11-06 21:36:57,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316352859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:57,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:57,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:57,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993789480] [2021-11-06 21:36:57,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:57,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:57,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:57,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:57,601 INFO L87 Difference]: Start difference. First operand 4177 states and 5452 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) [2021-11-06 21:36:57,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:57,730 INFO L93 Difference]: Finished difference Result 4177 states and 5452 transitions. [2021-11-06 21:36:57,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:57,731 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 [2021-11-06 21:36:57,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:57,744 INFO L225 Difference]: With dead ends: 4177 [2021-11-06 21:36:57,744 INFO L226 Difference]: Without dead ends: 4173 [2021-11-06 21:36:57,745 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4173 states. [2021-11-06 21:36:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4173 to 4173. [2021-11-06 21:36:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4173 states, 3890 states have (on average 1.4005141388174807) internal successors, (5448), 4172 states have internal predecessors, (5448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5448 transitions. [2021-11-06 21:36:57,861 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5448 transitions. Word has length 41 [2021-11-06 21:36:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:57,862 INFO L470 AbstractCegarLoop]: Abstraction has 4173 states and 5448 transitions. [2021-11-06 21:36:57,862 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) [2021-11-06 21:36:57,862 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5448 transitions. [2021-11-06 21:36:57,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-06 21:36:57,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:57,863 INFO L513 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] [2021-11-06 21:36:57,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 21:36:57,863 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr214ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:57,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:57,864 INFO L85 PathProgramCache]: Analyzing trace with hash -246009116, now seen corresponding path program 1 times [2021-11-06 21:36:57,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:57,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087869483] [2021-11-06 21:36:57,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:57,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:58,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:58,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087869483] [2021-11-06 21:36:58,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087869483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:58,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:58,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:58,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317025449] [2021-11-06 21:36:58,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:58,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:58,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:58,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:58,110 INFO L87 Difference]: Start difference. First operand 4173 states and 5448 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) [2021-11-06 21:36:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:58,246 INFO L93 Difference]: Finished difference Result 4173 states and 5448 transitions. [2021-11-06 21:36:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:58,247 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 [2021-11-06 21:36:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:58,261 INFO L225 Difference]: With dead ends: 4173 [2021-11-06 21:36:58,262 INFO L226 Difference]: Without dead ends: 4169 [2021-11-06 21:36:58,264 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2021-11-06 21:36:58,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 4169. [2021-11-06 21:36:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4169 states, 3888 states have (on average 1.4002057613168724) internal successors, (5444), 4168 states have internal predecessors, (5444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5444 transitions. [2021-11-06 21:36:58,467 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5444 transitions. Word has length 43 [2021-11-06 21:36:58,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:58,468 INFO L470 AbstractCegarLoop]: Abstraction has 4169 states and 5444 transitions. [2021-11-06 21:36:58,468 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) [2021-11-06 21:36:58,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5444 transitions. [2021-11-06 21:36:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 21:36:58,469 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:58,469 INFO L513 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] [2021-11-06 21:36:58,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 21:36:58,470 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr215ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:58,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash -191074617, now seen corresponding path program 1 times [2021-11-06 21:36:58,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:58,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173087652] [2021-11-06 21:36:58,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:58,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:58,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:58,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173087652] [2021-11-06 21:36:58,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173087652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:58,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:58,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:58,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502394597] [2021-11-06 21:36:58,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:58,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:58,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:58,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:58,727 INFO L87 Difference]: Start difference. First operand 4169 states and 5444 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) [2021-11-06 21:36:58,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:36:58,867 INFO L93 Difference]: Finished difference Result 4169 states and 5444 transitions. [2021-11-06 21:36:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:36:58,868 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 [2021-11-06 21:36:58,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:36:58,876 INFO L225 Difference]: With dead ends: 4169 [2021-11-06 21:36:58,877 INFO L226 Difference]: Without dead ends: 4165 [2021-11-06 21:36:58,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:36:58,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2021-11-06 21:36:58,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2021-11-06 21:36:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4165 states, 3886 states have (on average 1.399897066392177) internal successors, (5440), 4164 states have internal predecessors, (5440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:36:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5440 transitions. [2021-11-06 21:36:58,992 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5440 transitions. Word has length 45 [2021-11-06 21:36:58,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:36:58,993 INFO L470 AbstractCegarLoop]: Abstraction has 4165 states and 5440 transitions. [2021-11-06 21:36:58,993 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) [2021-11-06 21:36:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5440 transitions. [2021-11-06 21:36:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-06 21:36:58,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:36:58,994 INFO L513 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] [2021-11-06 21:36:58,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 21:36:58,994 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr228ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:36:58,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:36:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash 248211920, now seen corresponding path program 1 times [2021-11-06 21:36:58,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:36:58,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337104425] [2021-11-06 21:36:58,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:36:58,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:36:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:36:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:36:59,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:36:59,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337104425] [2021-11-06 21:36:59,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337104425] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:36:59,363 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:36:59,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:36:59,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276461788] [2021-11-06 21:36:59,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:36:59,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:36:59,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:36:59,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:36:59,365 INFO L87 Difference]: Start difference. First operand 4165 states and 5440 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) [2021-11-06 21:37:00,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:00,537 INFO L93 Difference]: Finished difference Result 7642 states and 10061 transitions. [2021-11-06 21:37:00,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:00,537 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 [2021-11-06 21:37:00,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:00,553 INFO L225 Difference]: With dead ends: 7642 [2021-11-06 21:37:00,553 INFO L226 Difference]: Without dead ends: 7604 [2021-11-06 21:37:00,556 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:00,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2021-11-06 21:37:00,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 4957. [2021-11-06 21:37:00,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4957 states, 4685 states have (on average 1.3938100320170759) internal successors, (6530), 4956 states have internal predecessors, (6530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 6530 transitions. [2021-11-06 21:37:00,837 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 6530 transitions. Word has length 45 [2021-11-06 21:37:00,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:00,837 INFO L470 AbstractCegarLoop]: Abstraction has 4957 states and 6530 transitions. [2021-11-06 21:37:00,837 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) [2021-11-06 21:37:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 6530 transitions. [2021-11-06 21:37:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-06 21:37:00,838 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:00,838 INFO L513 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] [2021-11-06 21:37:00,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 21:37:00,839 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr216ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:00,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:00,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1061372683, now seen corresponding path program 1 times [2021-11-06 21:37:00,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:00,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192662221] [2021-11-06 21:37:00,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:00,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:01,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:01,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192662221] [2021-11-06 21:37:01,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192662221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:01,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:01,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:01,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109188059] [2021-11-06 21:37:01,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:01,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:01,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:01,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:01,081 INFO L87 Difference]: Start difference. First operand 4957 states and 6530 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) [2021-11-06 21:37:01,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:01,308 INFO L93 Difference]: Finished difference Result 4957 states and 6530 transitions. [2021-11-06 21:37:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:01,308 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 [2021-11-06 21:37:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:01,321 INFO L225 Difference]: With dead ends: 4957 [2021-11-06 21:37:01,321 INFO L226 Difference]: Without dead ends: 4953 [2021-11-06 21:37:01,324 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:01,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4953 states. [2021-11-06 21:37:01,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4953 to 4953. [2021-11-06 21:37:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4953 states, 4683 states have (on average 1.3935511424300662) internal successors, (6526), 4952 states have internal predecessors, (6526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6526 transitions. [2021-11-06 21:37:01,524 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6526 transitions. Word has length 47 [2021-11-06 21:37:01,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:01,525 INFO L470 AbstractCegarLoop]: Abstraction has 4953 states and 6526 transitions. [2021-11-06 21:37:01,525 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) [2021-11-06 21:37:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6526 transitions. [2021-11-06 21:37:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-06 21:37:01,526 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:01,526 INFO L513 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] [2021-11-06 21:37:01,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 21:37:01,526 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr217ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:01,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:01,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2072385455, now seen corresponding path program 1 times [2021-11-06 21:37:01,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:01,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74019126] [2021-11-06 21:37:01,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:01,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:01,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:01,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74019126] [2021-11-06 21:37:01,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74019126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:01,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:01,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:01,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118836345] [2021-11-06 21:37:01,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:01,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:01,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:01,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:01,732 INFO L87 Difference]: Start difference. First operand 4953 states and 6526 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) [2021-11-06 21:37:01,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:01,927 INFO L93 Difference]: Finished difference Result 4953 states and 6526 transitions. [2021-11-06 21:37:01,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:01,928 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 [2021-11-06 21:37:01,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:01,938 INFO L225 Difference]: With dead ends: 4953 [2021-11-06 21:37:01,938 INFO L226 Difference]: Without dead ends: 4949 [2021-11-06 21:37:01,939 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2021-11-06 21:37:02,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 4949. [2021-11-06 21:37:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4949 states, 4681 states have (on average 1.3932920316171757) internal successors, (6522), 4948 states have internal predecessors, (6522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 4949 states and 6522 transitions. [2021-11-06 21:37:02,171 INFO L78 Accepts]: Start accepts. Automaton has 4949 states and 6522 transitions. Word has length 49 [2021-11-06 21:37:02,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:02,172 INFO L470 AbstractCegarLoop]: Abstraction has 4949 states and 6522 transitions. [2021-11-06 21:37:02,172 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) [2021-11-06 21:37:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 6522 transitions. [2021-11-06 21:37:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-06 21:37:02,173 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:02,173 INFO L513 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] [2021-11-06 21:37:02,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-06 21:37:02,173 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr218ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:02,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1301916493, now seen corresponding path program 1 times [2021-11-06 21:37:02,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:02,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548419117] [2021-11-06 21:37:02,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:02,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:02,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:02,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548419117] [2021-11-06 21:37:02,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548419117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:02,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:02,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:02,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810416057] [2021-11-06 21:37:02,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:02,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:02,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:02,377 INFO L87 Difference]: Start difference. First operand 4949 states and 6522 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) [2021-11-06 21:37:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:02,575 INFO L93 Difference]: Finished difference Result 4949 states and 6522 transitions. [2021-11-06 21:37:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:02,576 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 [2021-11-06 21:37:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:02,588 INFO L225 Difference]: With dead ends: 4949 [2021-11-06 21:37:02,588 INFO L226 Difference]: Without dead ends: 4945 [2021-11-06 21:37:02,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:02,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2021-11-06 21:37:02,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4945. [2021-11-06 21:37:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4945 states, 4679 states have (on average 1.393032699294721) internal successors, (6518), 4944 states have internal predecessors, (6518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4945 states and 6518 transitions. [2021-11-06 21:37:02,796 INFO L78 Accepts]: Start accepts. Automaton has 4945 states and 6518 transitions. Word has length 51 [2021-11-06 21:37:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:02,796 INFO L470 AbstractCegarLoop]: Abstraction has 4945 states and 6518 transitions. [2021-11-06 21:37:02,796 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) [2021-11-06 21:37:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 4945 states and 6518 transitions. [2021-11-06 21:37:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-06 21:37:02,797 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:02,797 INFO L513 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] [2021-11-06 21:37:02,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-06 21:37:02,798 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr219ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:02,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:02,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1305779689, now seen corresponding path program 1 times [2021-11-06 21:37:02,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:02,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656068554] [2021-11-06 21:37:02,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:02,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:03,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:03,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656068554] [2021-11-06 21:37:03,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656068554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:03,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:03,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:03,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312012720] [2021-11-06 21:37:03,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:03,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:03,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:03,016 INFO L87 Difference]: Start difference. First operand 4945 states and 6518 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) [2021-11-06 21:37:03,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:03,292 INFO L93 Difference]: Finished difference Result 4945 states and 6518 transitions. [2021-11-06 21:37:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:03,293 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 [2021-11-06 21:37:03,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:03,302 INFO L225 Difference]: With dead ends: 4945 [2021-11-06 21:37:03,302 INFO L226 Difference]: Without dead ends: 4941 [2021-11-06 21:37:03,304 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:03,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2021-11-06 21:37:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 4941. [2021-11-06 21:37:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4941 states, 4677 states have (on average 1.3927731451785332) internal successors, (6514), 4940 states have internal predecessors, (6514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:03,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6514 transitions. [2021-11-06 21:37:03,512 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6514 transitions. Word has length 53 [2021-11-06 21:37:03,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:03,512 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6514 transitions. [2021-11-06 21:37:03,512 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) [2021-11-06 21:37:03,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6514 transitions. [2021-11-06 21:37:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-06 21:37:03,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:03,514 INFO L513 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] [2021-11-06 21:37:03,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-06 21:37:03,514 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr235ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:03,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:03,514 INFO L85 PathProgramCache]: Analyzing trace with hash -492192725, now seen corresponding path program 1 times [2021-11-06 21:37:03,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:03,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624995574] [2021-11-06 21:37:03,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:03,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:03,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:03,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624995574] [2021-11-06 21:37:03,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624995574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:03,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:03,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:03,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109763064] [2021-11-06 21:37:03,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:03,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:03,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:03,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:03,733 INFO L87 Difference]: Start difference. First operand 4941 states and 6514 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-11-06 21:37:05,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:05,132 INFO L93 Difference]: Finished difference Result 10639 states and 13999 transitions. [2021-11-06 21:37:05,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:05,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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 [2021-11-06 21:37:05,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:05,155 INFO L225 Difference]: With dead ends: 10639 [2021-11-06 21:37:05,155 INFO L226 Difference]: Without dead ends: 8091 [2021-11-06 21:37:05,163 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:05,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2021-11-06 21:37:05,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 4958. [2021-11-06 21:37:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4958 states, 4694 states have (on average 1.3913506604175543) internal successors, (6531), 4957 states have internal predecessors, (6531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:05,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 6531 transitions. [2021-11-06 21:37:05,483 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 6531 transitions. Word has length 54 [2021-11-06 21:37:05,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:05,483 INFO L470 AbstractCegarLoop]: Abstraction has 4958 states and 6531 transitions. [2021-11-06 21:37:05,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 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) [2021-11-06 21:37:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 6531 transitions. [2021-11-06 21:37:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-06 21:37:05,485 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:05,485 INFO L513 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] [2021-11-06 21:37:05,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-06 21:37:05,485 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr220ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:05,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:05,486 INFO L85 PathProgramCache]: Analyzing trace with hash -723343397, now seen corresponding path program 1 times [2021-11-06 21:37:05,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:05,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065252083] [2021-11-06 21:37:05,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:05,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:05,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:05,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065252083] [2021-11-06 21:37:05,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065252083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:05,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:05,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:05,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394184356] [2021-11-06 21:37:05,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:05,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:05,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:05,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:05,686 INFO L87 Difference]: Start difference. First operand 4958 states and 6531 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) [2021-11-06 21:37:05,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:05,914 INFO L93 Difference]: Finished difference Result 4958 states and 6531 transitions. [2021-11-06 21:37:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:05,914 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 [2021-11-06 21:37:05,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:05,925 INFO L225 Difference]: With dead ends: 4958 [2021-11-06 21:37:05,925 INFO L226 Difference]: Without dead ends: 4954 [2021-11-06 21:37:05,926 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4954 states. [2021-11-06 21:37:06,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4954 to 4954. [2021-11-06 21:37:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4954 states, 4692 states have (on average 1.3910912190963343) internal successors, (6527), 4953 states have internal predecessors, (6527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 4954 states and 6527 transitions. [2021-11-06 21:37:06,148 INFO L78 Accepts]: Start accepts. Automaton has 4954 states and 6527 transitions. Word has length 55 [2021-11-06 21:37:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:06,149 INFO L470 AbstractCegarLoop]: Abstraction has 4954 states and 6527 transitions. [2021-11-06 21:37:06,150 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) [2021-11-06 21:37:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 4954 states and 6527 transitions. [2021-11-06 21:37:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 21:37:06,151 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:06,151 INFO L513 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] [2021-11-06 21:37:06,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-06 21:37:06,151 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:06,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:06,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1881778066, now seen corresponding path program 1 times [2021-11-06 21:37:06,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:06,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794938778] [2021-11-06 21:37:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:06,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:06,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:06,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794938778] [2021-11-06 21:37:06,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794938778] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:06,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:06,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 21:37:06,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955405675] [2021-11-06 21:37:06,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:37:06,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:37:06,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:06,354 INFO L87 Difference]: Start difference. First operand 4954 states and 6527 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 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) [2021-11-06 21:37:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:07,309 INFO L93 Difference]: Finished difference Result 9662 states and 12725 transitions. [2021-11-06 21:37:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:37:07,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 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 [2021-11-06 21:37:07,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:07,320 INFO L225 Difference]: With dead ends: 9662 [2021-11-06 21:37:07,320 INFO L226 Difference]: Without dead ends: 4759 [2021-11-06 21:37:07,328 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:07,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4759 states. [2021-11-06 21:37:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 4759. [2021-11-06 21:37:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 4497 states have (on average 1.345118968201023) internal successors, (6049), 4758 states have internal predecessors, (6049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6049 transitions. [2021-11-06 21:37:07,606 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6049 transitions. Word has length 57 [2021-11-06 21:37:07,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:07,607 INFO L470 AbstractCegarLoop]: Abstraction has 4759 states and 6049 transitions. [2021-11-06 21:37:07,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 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) [2021-11-06 21:37:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6049 transitions. [2021-11-06 21:37:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 21:37:07,611 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:07,611 INFO L513 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] [2021-11-06 21:37:07,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-06 21:37:07,611 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:07,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:07,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1733130860, now seen corresponding path program 1 times [2021-11-06 21:37:07,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:07,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034916398] [2021-11-06 21:37:07,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:07,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:07,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:07,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034916398] [2021-11-06 21:37:07,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034916398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:07,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:07,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:07,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388881054] [2021-11-06 21:37:07,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:37:07,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:37:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:07,799 INFO L87 Difference]: Start difference. First operand 4759 states and 6049 transitions. Second operand has 3 states, 3 states have (on average 19.0) 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) [2021-11-06 21:37:08,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:08,044 INFO L93 Difference]: Finished difference Result 8566 states and 10962 transitions. [2021-11-06 21:37:08,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:37:08,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) 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 [2021-11-06 21:37:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:08,056 INFO L225 Difference]: With dead ends: 8566 [2021-11-06 21:37:08,056 INFO L226 Difference]: Without dead ends: 4756 [2021-11-06 21:37:08,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:08,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-06 21:37:08,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4756. [2021-11-06 21:37:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4756 states, 4495 states have (on average 1.3448275862068966) internal successors, (6045), 4755 states have internal predecessors, (6045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6045 transitions. [2021-11-06 21:37:08,280 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6045 transitions. Word has length 57 [2021-11-06 21:37:08,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:08,280 INFO L470 AbstractCegarLoop]: Abstraction has 4756 states and 6045 transitions. [2021-11-06 21:37:08,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) 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) [2021-11-06 21:37:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6045 transitions. [2021-11-06 21:37:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 21:37:08,281 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:08,282 INFO L513 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] [2021-11-06 21:37:08,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-06 21:37:08,282 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:08,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash -275280550, now seen corresponding path program 1 times [2021-11-06 21:37:08,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:08,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474989651] [2021-11-06 21:37:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:08,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:08,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:08,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:08,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474989651] [2021-11-06 21:37:08,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474989651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:08,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:08,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:08,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371817528] [2021-11-06 21:37:08,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:08,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:08,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:08,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:08,578 INFO L87 Difference]: Start difference. First operand 4756 states and 6045 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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) [2021-11-06 21:37:09,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:09,124 INFO L93 Difference]: Finished difference Result 13166 states and 16816 transitions. [2021-11-06 21:37:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:09,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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 [2021-11-06 21:37:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:09,144 INFO L225 Difference]: With dead ends: 13166 [2021-11-06 21:37:09,144 INFO L226 Difference]: Without dead ends: 8466 [2021-11-06 21:37:09,154 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:37:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8466 states. [2021-11-06 21:37:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8466 to 4756. [2021-11-06 21:37:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4756 states, 4495 states have (on average 1.342825361512792) internal successors, (6036), 4755 states have internal predecessors, (6036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:09,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6036 transitions. [2021-11-06 21:37:09,415 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6036 transitions. Word has length 57 [2021-11-06 21:37:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:09,416 INFO L470 AbstractCegarLoop]: Abstraction has 4756 states and 6036 transitions. [2021-11-06 21:37:09,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 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) [2021-11-06 21:37:09,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6036 transitions. [2021-11-06 21:37:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 21:37:09,417 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:09,417 INFO L513 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] [2021-11-06 21:37:09,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-06 21:37:09,417 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:09,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -275220968, now seen corresponding path program 1 times [2021-11-06 21:37:09,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:09,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284963051] [2021-11-06 21:37:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:09,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:09,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:09,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284963051] [2021-11-06 21:37:09,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284963051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:09,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:09,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:09,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019524336] [2021-11-06 21:37:09,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:09,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:09,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:09,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:09,629 INFO L87 Difference]: Start difference. First operand 4756 states and 6036 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2021-11-06 21:37:10,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:10,213 INFO L93 Difference]: Finished difference Result 8484 states and 10842 transitions. [2021-11-06 21:37:10,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:10,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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 [2021-11-06 21:37:10,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:10,229 INFO L225 Difference]: With dead ends: 8484 [2021-11-06 21:37:10,229 INFO L226 Difference]: Without dead ends: 8470 [2021-11-06 21:37:10,232 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:10,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8470 states. [2021-11-06 21:37:10,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8470 to 4742. [2021-11-06 21:37:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4742 states, 4488 states have (on average 1.3413547237076648) internal successors, (6020), 4741 states have internal predecessors, (6020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 6020 transitions. [2021-11-06 21:37:10,504 INFO L78 Accepts]: Start accepts. Automaton has 4742 states and 6020 transitions. Word has length 57 [2021-11-06 21:37:10,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:10,505 INFO L470 AbstractCegarLoop]: Abstraction has 4742 states and 6020 transitions. [2021-11-06 21:37:10,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2021-11-06 21:37:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4742 states and 6020 transitions. [2021-11-06 21:37:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-06 21:37:10,506 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:10,506 INFO L513 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] [2021-11-06 21:37:10,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-06 21:37:10,506 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr221ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:10,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:10,507 INFO L85 PathProgramCache]: Analyzing trace with hash 652185087, now seen corresponding path program 1 times [2021-11-06 21:37:10,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:10,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117729014] [2021-11-06 21:37:10,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:10,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:10,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:10,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117729014] [2021-11-06 21:37:10,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117729014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:10,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:10,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:10,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133618420] [2021-11-06 21:37:10,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:10,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:10,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:10,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:10,716 INFO L87 Difference]: Start difference. First operand 4742 states and 6020 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) [2021-11-06 21:37:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:10,994 INFO L93 Difference]: Finished difference Result 4742 states and 6020 transitions. [2021-11-06 21:37:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:10,994 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 [2021-11-06 21:37:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:11,003 INFO L225 Difference]: With dead ends: 4742 [2021-11-06 21:37:11,003 INFO L226 Difference]: Without dead ends: 4738 [2021-11-06 21:37:11,004 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-11-06 21:37:11,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4738. [2021-11-06 21:37:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4738 states, 4486 states have (on average 1.3410610789121713) internal successors, (6016), 4737 states have internal predecessors, (6016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 6016 transitions. [2021-11-06 21:37:11,317 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 6016 transitions. Word has length 57 [2021-11-06 21:37:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:11,317 INFO L470 AbstractCegarLoop]: Abstraction has 4738 states and 6016 transitions. [2021-11-06 21:37:11,318 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) [2021-11-06 21:37:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 6016 transitions. [2021-11-06 21:37:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-06 21:37:11,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:11,319 INFO L513 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] [2021-11-06 21:37:11,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-06 21:37:11,319 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr222ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:11,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:11,320 INFO L85 PathProgramCache]: Analyzing trace with hash -314868605, now seen corresponding path program 1 times [2021-11-06 21:37:11,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:11,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090941766] [2021-11-06 21:37:11,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:11,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:11,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:11,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090941766] [2021-11-06 21:37:11,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090941766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:11,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:11,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:11,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764469733] [2021-11-06 21:37:11,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:11,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:11,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:11,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:11,576 INFO L87 Difference]: Start difference. First operand 4738 states and 6016 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) [2021-11-06 21:37:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:11,882 INFO L93 Difference]: Finished difference Result 4738 states and 6016 transitions. [2021-11-06 21:37:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:11,882 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 [2021-11-06 21:37:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:11,891 INFO L225 Difference]: With dead ends: 4738 [2021-11-06 21:37:11,891 INFO L226 Difference]: Without dead ends: 4734 [2021-11-06 21:37:11,893 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:11,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4734 states. [2021-11-06 21:37:12,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4734 to 4734. [2021-11-06 21:37:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4734 states, 4484 states have (on average 1.3407671721677075) internal successors, (6012), 4733 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4734 states to 4734 states and 6012 transitions. [2021-11-06 21:37:12,169 INFO L78 Accepts]: Start accepts. Automaton has 4734 states and 6012 transitions. Word has length 59 [2021-11-06 21:37:12,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:12,169 INFO L470 AbstractCegarLoop]: Abstraction has 4734 states and 6012 transitions. [2021-11-06 21:37:12,169 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) [2021-11-06 21:37:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4734 states and 6012 transitions. [2021-11-06 21:37:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-06 21:37:12,170 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:12,171 INFO L513 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] [2021-11-06 21:37:12,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-06 21:37:12,171 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr236ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:12,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:12,171 INFO L85 PathProgramCache]: Analyzing trace with hash -991052179, now seen corresponding path program 1 times [2021-11-06 21:37:12,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:12,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836644640] [2021-11-06 21:37:12,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:12,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:12,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:12,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836644640] [2021-11-06 21:37:12,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836644640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:12,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:12,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 21:37:12,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681957838] [2021-11-06 21:37:12,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:12,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:12,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:12,358 INFO L87 Difference]: Start difference. First operand 4734 states and 6012 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2021-11-06 21:37:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:13,475 INFO L93 Difference]: Finished difference Result 8723 states and 11009 transitions. [2021-11-06 21:37:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:13,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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 [2021-11-06 21:37:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:13,486 INFO L225 Difference]: With dead ends: 8723 [2021-11-06 21:37:13,486 INFO L226 Difference]: Without dead ends: 6309 [2021-11-06 21:37:13,491 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:37:13,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2021-11-06 21:37:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 3978. [2021-11-06 21:37:13,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3978 states, 3740 states have (on average 1.333957219251337) internal successors, (4989), 3977 states have internal predecessors, (4989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:13,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 4989 transitions. [2021-11-06 21:37:13,720 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 4989 transitions. Word has length 59 [2021-11-06 21:37:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:13,720 INFO L470 AbstractCegarLoop]: Abstraction has 3978 states and 4989 transitions. [2021-11-06 21:37:13,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 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) [2021-11-06 21:37:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 4989 transitions. [2021-11-06 21:37:13,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-06 21:37:13,721 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:13,721 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:37:13,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-06 21:37:13,722 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:13,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:13,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1571863201, now seen corresponding path program 1 times [2021-11-06 21:37:13,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:13,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698047830] [2021-11-06 21:37:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:13,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:13,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:13,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698047830] [2021-11-06 21:37:13,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698047830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:13,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:13,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 21:37:13,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145804370] [2021-11-06 21:37:13,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:13,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:13,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:13,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:13,914 INFO L87 Difference]: Start difference. First operand 3978 states and 4989 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:14,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:14,213 INFO L93 Difference]: Finished difference Result 7054 states and 8898 transitions. [2021-11-06 21:37:14,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:14,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-06 21:37:14,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:14,218 INFO L225 Difference]: With dead ends: 7054 [2021-11-06 21:37:14,218 INFO L226 Difference]: Without dead ends: 4022 [2021-11-06 21:37:14,260 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-06 21:37:14,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2021-11-06 21:37:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 3975. [2021-11-06 21:37:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3975 states, 3738 states have (on average 1.3336008560727661) internal successors, (4985), 3974 states have internal predecessors, (4985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 4985 transitions. [2021-11-06 21:37:14,502 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 4985 transitions. Word has length 60 [2021-11-06 21:37:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:14,503 INFO L470 AbstractCegarLoop]: Abstraction has 3975 states and 4985 transitions. [2021-11-06 21:37:14,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 4985 transitions. [2021-11-06 21:37:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-06 21:37:14,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:14,504 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:37:14,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-06 21:37:14,504 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:14,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:14,505 INFO L85 PathProgramCache]: Analyzing trace with hash -11193271, now seen corresponding path program 1 times [2021-11-06 21:37:14,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:14,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44589142] [2021-11-06 21:37:14,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:14,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:14,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:14,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:14,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44589142] [2021-11-06 21:37:14,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44589142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:14,692 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:14,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 21:37:14,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612700710] [2021-11-06 21:37:14,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:37:14,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:14,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:37:14,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:14,693 INFO L87 Difference]: Start difference. First operand 3975 states and 4985 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:14,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:14,988 INFO L93 Difference]: Finished difference Result 7869 states and 9883 transitions. [2021-11-06 21:37:14,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:37:14,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-06 21:37:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:14,994 INFO L225 Difference]: With dead ends: 7869 [2021-11-06 21:37:14,994 INFO L226 Difference]: Without dead ends: 3954 [2021-11-06 21:37:15,001 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:15,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3954 states. [2021-11-06 21:37:15,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3954. [2021-11-06 21:37:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3954 states, 3724 states have (on average 1.33109559613319) internal successors, (4957), 3953 states have internal predecessors, (4957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 4957 transitions. [2021-11-06 21:37:15,266 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 4957 transitions. Word has length 60 [2021-11-06 21:37:15,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:15,266 INFO L470 AbstractCegarLoop]: Abstraction has 3954 states and 4957 transitions. [2021-11-06 21:37:15,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:15,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4957 transitions. [2021-11-06 21:37:15,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-06 21:37:15,268 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:15,268 INFO L513 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] [2021-11-06 21:37:15,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-06 21:37:15,268 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr223ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:15,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1940530329, now seen corresponding path program 1 times [2021-11-06 21:37:15,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:15,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810657590] [2021-11-06 21:37:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:15,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:15,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:15,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810657590] [2021-11-06 21:37:15,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810657590] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:15,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:15,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:15,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250275857] [2021-11-06 21:37:15,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:15,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:15,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:15,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:15,522 INFO L87 Difference]: Start difference. First operand 3954 states and 4957 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) [2021-11-06 21:37:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:15,908 INFO L93 Difference]: Finished difference Result 3954 states and 4957 transitions. [2021-11-06 21:37:15,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:15,908 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 [2021-11-06 21:37:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:15,914 INFO L225 Difference]: With dead ends: 3954 [2021-11-06 21:37:15,914 INFO L226 Difference]: Without dead ends: 3950 [2021-11-06 21:37:15,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:15,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3950 states. [2021-11-06 21:37:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 3950. [2021-11-06 21:37:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3950 states, 3722 states have (on average 1.330736163353036) internal successors, (4953), 3949 states have internal predecessors, (4953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3950 states and 4953 transitions. [2021-11-06 21:37:16,204 INFO L78 Accepts]: Start accepts. Automaton has 3950 states and 4953 transitions. Word has length 61 [2021-11-06 21:37:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:16,205 INFO L470 AbstractCegarLoop]: Abstraction has 3950 states and 4953 transitions. [2021-11-06 21:37:16,205 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) [2021-11-06 21:37:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 3950 states and 4953 transitions. [2021-11-06 21:37:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-06 21:37:16,207 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:16,207 INFO L513 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] [2021-11-06 21:37:16,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-06 21:37:16,208 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr229ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:16,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1138096992, now seen corresponding path program 1 times [2021-11-06 21:37:16,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:16,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403777479] [2021-11-06 21:37:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:16,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:16,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:16,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403777479] [2021-11-06 21:37:16,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403777479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:16,536 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:16,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:16,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651506971] [2021-11-06 21:37:16,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:16,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:16,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:16,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:16,538 INFO L87 Difference]: Start difference. First operand 3950 states and 4953 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) [2021-11-06 21:37:18,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:18,788 INFO L93 Difference]: Finished difference Result 8188 states and 10346 transitions. [2021-11-06 21:37:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:18,789 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 [2021-11-06 21:37:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:18,797 INFO L225 Difference]: With dead ends: 8188 [2021-11-06 21:37:18,797 INFO L226 Difference]: Without dead ends: 8118 [2021-11-06 21:37:18,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8118 states. [2021-11-06 21:37:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8118 to 6264. [2021-11-06 21:37:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6264 states, 6039 states have (on average 1.340288127173373) internal successors, (8094), 6263 states have internal predecessors, (8094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:19,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 8094 transitions. [2021-11-06 21:37:19,146 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 8094 transitions. Word has length 61 [2021-11-06 21:37:19,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:19,146 INFO L470 AbstractCegarLoop]: Abstraction has 6264 states and 8094 transitions. [2021-11-06 21:37:19,146 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) [2021-11-06 21:37:19,147 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 8094 transitions. [2021-11-06 21:37:19,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-06 21:37:19,147 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:19,147 INFO L513 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] [2021-11-06 21:37:19,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-06 21:37:19,148 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr275ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:19,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1241912897, now seen corresponding path program 1 times [2021-11-06 21:37:19,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:19,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659360385] [2021-11-06 21:37:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:19,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:19,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:19,431 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659360385] [2021-11-06 21:37:19,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659360385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:19,431 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:19,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:19,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546326176] [2021-11-06 21:37:19,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:19,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:19,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:19,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:19,432 INFO L87 Difference]: Start difference. First operand 6264 states and 8094 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:24,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:24,083 INFO L93 Difference]: Finished difference Result 13218 states and 17409 transitions. [2021-11-06 21:37:24,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:24,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-11-06 21:37:24,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:24,099 INFO L225 Difference]: With dead ends: 13218 [2021-11-06 21:37:24,099 INFO L226 Difference]: Without dead ends: 13178 [2021-11-06 21:37:24,103 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:24,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13178 states. [2021-11-06 21:37:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13178 to 8058. [2021-11-06 21:37:24,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8058 states, 7835 states have (on average 1.3560944479897894) internal successors, (10625), 8057 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8058 states to 8058 states and 10625 transitions. [2021-11-06 21:37:24,634 INFO L78 Accepts]: Start accepts. Automaton has 8058 states and 10625 transitions. Word has length 62 [2021-11-06 21:37:24,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:24,634 INFO L470 AbstractCegarLoop]: Abstraction has 8058 states and 10625 transitions. [2021-11-06 21:37:24,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 8058 states and 10625 transitions. [2021-11-06 21:37:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-06 21:37:24,635 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:24,635 INFO L513 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] [2021-11-06 21:37:24,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-06 21:37:24,635 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr275ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:24,636 INFO L85 PathProgramCache]: Analyzing trace with hash 432566271, now seen corresponding path program 1 times [2021-11-06 21:37:24,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:24,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309281603] [2021-11-06 21:37:24,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:24,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:24,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:24,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309281603] [2021-11-06 21:37:24,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309281603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:24,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:24,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 21:37:24,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224385397] [2021-11-06 21:37:24,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:24,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:24,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:24,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:24,855 INFO L87 Difference]: Start difference. First operand 8058 states and 10625 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:26,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:26,329 INFO L93 Difference]: Finished difference Result 12684 states and 16529 transitions. [2021-11-06 21:37:26,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:26,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-11-06 21:37:26,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:26,339 INFO L225 Difference]: With dead ends: 12684 [2021-11-06 21:37:26,339 INFO L226 Difference]: Without dead ends: 7674 [2021-11-06 21:37:26,349 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:37:26,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7674 states. [2021-11-06 21:37:26,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7674 to 6224. [2021-11-06 21:37:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6224 states, 6019 states have (on average 1.3289582987207178) internal successors, (7999), 6223 states have internal predecessors, (7999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 7999 transitions. [2021-11-06 21:37:26,868 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 7999 transitions. Word has length 62 [2021-11-06 21:37:26,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:26,869 INFO L470 AbstractCegarLoop]: Abstraction has 6224 states and 7999 transitions. [2021-11-06 21:37:26,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 7999 transitions. [2021-11-06 21:37:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-06 21:37:26,870 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:26,870 INFO L513 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] [2021-11-06 21:37:26,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-06 21:37:26,870 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr224ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:26,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:26,871 INFO L85 PathProgramCache]: Analyzing trace with hash -833350997, now seen corresponding path program 1 times [2021-11-06 21:37:26,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:26,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069425272] [2021-11-06 21:37:26,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:26,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:27,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:27,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069425272] [2021-11-06 21:37:27,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069425272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:27,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:27,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:27,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131074332] [2021-11-06 21:37:27,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:27,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:27,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:27,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:27,099 INFO L87 Difference]: Start difference. First operand 6224 states and 7999 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) [2021-11-06 21:37:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:27,618 INFO L93 Difference]: Finished difference Result 6224 states and 7999 transitions. [2021-11-06 21:37:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:27,618 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 [2021-11-06 21:37:27,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:27,626 INFO L225 Difference]: With dead ends: 6224 [2021-11-06 21:37:27,626 INFO L226 Difference]: Without dead ends: 6220 [2021-11-06 21:37:27,629 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6220 states. [2021-11-06 21:37:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6220 to 6220. [2021-11-06 21:37:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6220 states, 6017 states have (on average 1.3287352501246468) internal successors, (7995), 6219 states have internal predecessors, (7995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 7995 transitions. [2021-11-06 21:37:28,114 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 7995 transitions. Word has length 63 [2021-11-06 21:37:28,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:28,114 INFO L470 AbstractCegarLoop]: Abstraction has 6220 states and 7995 transitions. [2021-11-06 21:37:28,114 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) [2021-11-06 21:37:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 7995 transitions. [2021-11-06 21:37:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-06 21:37:28,115 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:28,115 INFO L513 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] [2021-11-06 21:37:28,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-06 21:37:28,115 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr225ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1985902001, now seen corresponding path program 1 times [2021-11-06 21:37:28,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:28,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541068072] [2021-11-06 21:37:28,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:28,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:28,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:28,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541068072] [2021-11-06 21:37:28,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541068072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:28,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:28,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:28,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539922889] [2021-11-06 21:37:28,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:28,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:28,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:28,318 INFO L87 Difference]: Start difference. First operand 6220 states and 7995 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) [2021-11-06 21:37:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:28,848 INFO L93 Difference]: Finished difference Result 6220 states and 7995 transitions. [2021-11-06 21:37:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:28,849 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 [2021-11-06 21:37:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:28,855 INFO L225 Difference]: With dead ends: 6220 [2021-11-06 21:37:28,855 INFO L226 Difference]: Without dead ends: 6216 [2021-11-06 21:37:28,857 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:28,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6216 states. [2021-11-06 21:37:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6216 to 6216. [2021-11-06 21:37:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 6015 states have (on average 1.3285120532003325) internal successors, (7991), 6215 states have internal predecessors, (7991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 7991 transitions. [2021-11-06 21:37:29,224 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 7991 transitions. Word has length 65 [2021-11-06 21:37:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:29,224 INFO L470 AbstractCegarLoop]: Abstraction has 6216 states and 7991 transitions. [2021-11-06 21:37:29,224 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) [2021-11-06 21:37:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 7991 transitions. [2021-11-06 21:37:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-06 21:37:29,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:29,225 INFO L513 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] [2021-11-06 21:37:29,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-06 21:37:29,226 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr226ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:29,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1485854125, now seen corresponding path program 1 times [2021-11-06 21:37:29,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:29,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297627865] [2021-11-06 21:37:29,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:29,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:29,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:29,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297627865] [2021-11-06 21:37:29,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297627865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:29,451 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:29,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:29,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848766334] [2021-11-06 21:37:29,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:29,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:29,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:29,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:29,453 INFO L87 Difference]: Start difference. First operand 6216 states and 7991 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) [2021-11-06 21:37:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:30,036 INFO L93 Difference]: Finished difference Result 6216 states and 7991 transitions. [2021-11-06 21:37:30,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:30,037 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 [2021-11-06 21:37:30,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:30,045 INFO L225 Difference]: With dead ends: 6216 [2021-11-06 21:37:30,045 INFO L226 Difference]: Without dead ends: 6212 [2021-11-06 21:37:30,048 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:30,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2021-11-06 21:37:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 6212. [2021-11-06 21:37:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6212 states, 6013 states have (on average 1.3282887077997672) internal successors, (7987), 6211 states have internal predecessors, (7987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 6212 states and 7987 transitions. [2021-11-06 21:37:30,467 INFO L78 Accepts]: Start accepts. Automaton has 6212 states and 7987 transitions. Word has length 67 [2021-11-06 21:37:30,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:30,467 INFO L470 AbstractCegarLoop]: Abstraction has 6212 states and 7987 transitions. [2021-11-06 21:37:30,467 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) [2021-11-06 21:37:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 6212 states and 7987 transitions. [2021-11-06 21:37:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-06 21:37:30,468 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:30,469 INFO L513 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] [2021-11-06 21:37:30,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-06 21:37:30,469 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr227ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:30,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:30,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1976182089, now seen corresponding path program 1 times [2021-11-06 21:37:30,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:30,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187863017] [2021-11-06 21:37:30,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:30,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:30,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:30,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187863017] [2021-11-06 21:37:30,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187863017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:30,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:30,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:30,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942275305] [2021-11-06 21:37:30,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:30,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:30,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:30,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:30,688 INFO L87 Difference]: Start difference. First operand 6212 states and 7987 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) [2021-11-06 21:37:31,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:31,757 INFO L93 Difference]: Finished difference Result 12315 states and 15855 transitions. [2021-11-06 21:37:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:37:31,758 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 [2021-11-06 21:37:31,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:31,769 INFO L225 Difference]: With dead ends: 12315 [2021-11-06 21:37:31,769 INFO L226 Difference]: Without dead ends: 12223 [2021-11-06 21:37:31,771 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12223 states. [2021-11-06 21:37:32,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12223 to 11815. [2021-11-06 21:37:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11815 states, 11616 states have (on average 1.3378960055096418) internal successors, (15541), 11814 states have internal predecessors, (15541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11815 states to 11815 states and 15541 transitions. [2021-11-06 21:37:32,543 INFO L78 Accepts]: Start accepts. Automaton has 11815 states and 15541 transitions. Word has length 69 [2021-11-06 21:37:32,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:32,544 INFO L470 AbstractCegarLoop]: Abstraction has 11815 states and 15541 transitions. [2021-11-06 21:37:32,544 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) [2021-11-06 21:37:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11815 states and 15541 transitions. [2021-11-06 21:37:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-06 21:37:32,545 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:32,545 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:37:32,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-06 21:37:32,545 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr230ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1310490973, now seen corresponding path program 1 times [2021-11-06 21:37:32,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:32,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392857949] [2021-11-06 21:37:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:32,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:32,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:32,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392857949] [2021-11-06 21:37:32,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392857949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:32,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:32,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:32,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608881881] [2021-11-06 21:37:32,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:32,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:32,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:32,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:32,916 INFO L87 Difference]: Start difference. First operand 11815 states and 15541 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:40,803 INFO L93 Difference]: Finished difference Result 20465 states and 26818 transitions. [2021-11-06 21:37:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:40,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-06 21:37:40,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:40,829 INFO L225 Difference]: With dead ends: 20465 [2021-11-06 21:37:40,829 INFO L226 Difference]: Without dead ends: 20143 [2021-11-06 21:37:40,834 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20143 states. [2021-11-06 21:37:41,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20143 to 12543. [2021-11-06 21:37:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12543 states, 12344 states have (on average 1.3247731691510045) internal successors, (16353), 12542 states have internal predecessors, (16353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:41,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12543 states to 12543 states and 16353 transitions. [2021-11-06 21:37:41,729 INFO L78 Accepts]: Start accepts. Automaton has 12543 states and 16353 transitions. Word has length 72 [2021-11-06 21:37:41,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:41,729 INFO L470 AbstractCegarLoop]: Abstraction has 12543 states and 16353 transitions. [2021-11-06 21:37:41,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 12543 states and 16353 transitions. [2021-11-06 21:37:41,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-06 21:37:41,731 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:41,731 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:37:41,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-06 21:37:41,731 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr230ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:41,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:41,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1703517983, now seen corresponding path program 1 times [2021-11-06 21:37:41,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:41,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140896069] [2021-11-06 21:37:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:41,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:41,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:41,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140896069] [2021-11-06 21:37:41,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140896069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:41,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:41,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 21:37:41,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688926096] [2021-11-06 21:37:41,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:41,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:41,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:41,990 INFO L87 Difference]: Start difference. First operand 12543 states and 16353 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:46,141 INFO L93 Difference]: Finished difference Result 31885 states and 41848 transitions. [2021-11-06 21:37:46,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:46,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-06 21:37:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:46,165 INFO L225 Difference]: With dead ends: 31885 [2021-11-06 21:37:46,165 INFO L226 Difference]: Without dead ends: 19649 [2021-11-06 21:37:46,180 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:37:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19649 states. [2021-11-06 21:37:47,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19649 to 11405. [2021-11-06 21:37:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11405 states, 11346 states have (on average 1.2978142076502732) internal successors, (14725), 11404 states have internal predecessors, (14725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:47,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11405 states to 11405 states and 14725 transitions. [2021-11-06 21:37:47,130 INFO L78 Accepts]: Start accepts. Automaton has 11405 states and 14725 transitions. Word has length 72 [2021-11-06 21:37:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:47,130 INFO L470 AbstractCegarLoop]: Abstraction has 11405 states and 14725 transitions. [2021-11-06 21:37:47,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 11405 states and 14725 transitions. [2021-11-06 21:37:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-06 21:37:47,132 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:47,132 INFO L513 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] [2021-11-06 21:37:47,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-06 21:37:47,132 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:47,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1972859584, now seen corresponding path program 1 times [2021-11-06 21:37:47,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:47,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637290489] [2021-11-06 21:37:47,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:47,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:47,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:47,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637290489] [2021-11-06 21:37:47,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637290489] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:47,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:47,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:37:47,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986584078] [2021-11-06 21:37:47,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:37:47,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:47,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:37:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:37:47,333 INFO L87 Difference]: Start difference. First operand 11405 states and 14725 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:53,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:53,174 INFO L93 Difference]: Finished difference Result 31639 states and 41052 transitions. [2021-11-06 21:37:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:37:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2021-11-06 21:37:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:53,205 INFO L225 Difference]: With dead ends: 31639 [2021-11-06 21:37:53,205 INFO L226 Difference]: Without dead ends: 24697 [2021-11-06 21:37:53,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:53,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2021-11-06 21:37:54,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 11549. [2021-11-06 21:37:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11549 states, 11490 states have (on average 1.2940818102697997) internal successors, (14869), 11548 states have internal predecessors, (14869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11549 states to 11549 states and 14869 transitions. [2021-11-06 21:37:54,255 INFO L78 Accepts]: Start accepts. Automaton has 11549 states and 14869 transitions. Word has length 73 [2021-11-06 21:37:54,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:54,255 INFO L470 AbstractCegarLoop]: Abstraction has 11549 states and 14869 transitions. [2021-11-06 21:37:54,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 11549 states and 14869 transitions. [2021-11-06 21:37:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-06 21:37:54,259 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:54,259 INFO L513 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] [2021-11-06 21:37:54,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-06 21:37:54,259 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:54,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:54,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1874724833, now seen corresponding path program 1 times [2021-11-06 21:37:54,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:54,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742151282] [2021-11-06 21:37:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:54,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:54,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:54,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742151282] [2021-11-06 21:37:54,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742151282] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:54,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:54,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:37:54,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840357533] [2021-11-06 21:37:54,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:37:54,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:37:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:54,647 INFO L87 Difference]: Start difference. First operand 11549 states and 14869 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:37:57,846 INFO L93 Difference]: Finished difference Result 20599 states and 26609 transitions. [2021-11-06 21:37:57,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:37:57,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2021-11-06 21:37:57,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:37:57,871 INFO L225 Difference]: With dead ends: 20599 [2021-11-06 21:37:57,872 INFO L226 Difference]: Without dead ends: 11625 [2021-11-06 21:37:57,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:37:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11625 states. [2021-11-06 21:37:58,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11625 to 11625. [2021-11-06 21:37:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11625 states, 11566 states have (on average 1.2921494034238286) internal successors, (14945), 11624 states have internal predecessors, (14945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14945 transitions. [2021-11-06 21:37:58,917 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14945 transitions. Word has length 80 [2021-11-06 21:37:58,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:37:58,918 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14945 transitions. [2021-11-06 21:37:58,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:37:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14945 transitions. [2021-11-06 21:37:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-06 21:37:58,920 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:37:58,920 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:37:58,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-06 21:37:58,920 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr229ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:37:58,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:37:58,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1205756063, now seen corresponding path program 1 times [2021-11-06 21:37:58,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:37:58,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005029248] [2021-11-06 21:37:58,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:37:58,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:37:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:37:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:37:59,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:37:59,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005029248] [2021-11-06 21:37:59,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005029248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:37:59,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:37:59,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 21:37:59,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121994809] [2021-11-06 21:37:59,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:37:59,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:37:59,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:37:59,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:37:59,121 INFO L87 Difference]: Start difference. First operand 11625 states and 14945 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:03,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:03,580 INFO L93 Difference]: Finished difference Result 30161 states and 39017 transitions. [2021-11-06 21:38:03,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:38:03,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-06 21:38:03,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:03,604 INFO L225 Difference]: With dead ends: 30161 [2021-11-06 21:38:03,604 INFO L226 Difference]: Without dead ends: 18863 [2021-11-06 21:38:03,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:38:03,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18863 states. [2021-11-06 21:38:04,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18863 to 11625. [2021-11-06 21:38:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11625 states, 11566 states have (on average 1.2860971813937403) internal successors, (14875), 11624 states have internal predecessors, (14875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14875 transitions. [2021-11-06 21:38:04,719 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14875 transitions. Word has length 81 [2021-11-06 21:38:04,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:04,720 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14875 transitions. [2021-11-06 21:38:04,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14875 transitions. [2021-11-06 21:38:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-06 21:38:04,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:04,722 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:04,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-06 21:38:04,722 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:04,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash -2075922558, now seen corresponding path program 1 times [2021-11-06 21:38:04,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:04,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653834303] [2021-11-06 21:38:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:04,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:05,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:05,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653834303] [2021-11-06 21:38:05,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653834303] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:05,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696429169] [2021-11-06 21:38:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:05,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:05,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:05,040 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) [2021-11-06 21:38:05,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 21:38:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:05,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 2973 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-06 21:38:05,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:38:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-06 21:38:06,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696429169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:06,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 21:38:06,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-06 21:38:06,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613754227] [2021-11-06 21:38:06,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:38:06,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:06,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:38:06,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:38:06,197 INFO L87 Difference]: Start difference. First operand 11625 states and 14875 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:16,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:16,859 INFO L93 Difference]: Finished difference Result 39129 states and 50615 transitions. [2021-11-06 21:38:16,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-06 21:38:16,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-06 21:38:16,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:16,900 INFO L225 Difference]: With dead ends: 39129 [2021-11-06 21:38:16,901 INFO L226 Difference]: Without dead ends: 31971 [2021-11-06 21:38:16,912 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-06 21:38:16,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31971 states. [2021-11-06 21:38:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31971 to 11625. [2021-11-06 21:38:18,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11625 states, 11566 states have (on average 1.2860971813937403) internal successors, (14875), 11624 states have internal predecessors, (14875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14875 transitions. [2021-11-06 21:38:18,102 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14875 transitions. Word has length 81 [2021-11-06 21:38:18,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:18,103 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14875 transitions. [2021-11-06 21:38:18,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14875 transitions. [2021-11-06 21:38:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-06 21:38:18,104 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:18,104 INFO L513 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] [2021-11-06 21:38:18,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 21:38:18,304 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,SelfDestructingSolverStorable38 [2021-11-06 21:38:18,305 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr234ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:18,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1256785411, now seen corresponding path program 1 times [2021-11-06 21:38:18,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:18,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759905736] [2021-11-06 21:38:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:18,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-06 21:38:18,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:18,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759905736] [2021-11-06 21:38:18,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759905736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:18,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:38:18,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:38:18,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183440821] [2021-11-06 21:38:18,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:38:18,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:18,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:38:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:18,502 INFO L87 Difference]: Start difference. First operand 11625 states and 14875 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:21,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:21,730 INFO L93 Difference]: Finished difference Result 28135 states and 36386 transitions. [2021-11-06 21:38:21,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:38:21,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-06 21:38:21,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:21,758 INFO L225 Difference]: With dead ends: 28135 [2021-11-06 21:38:21,758 INFO L226 Difference]: Without dead ends: 17473 [2021-11-06 21:38:21,771 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:21,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17473 states. [2021-11-06 21:38:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17473 to 11211. [2021-11-06 21:38:22,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11211 states, 11170 states have (on average 1.27958818263205) internal successors, (14293), 11210 states have internal predecessors, (14293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11211 states to 11211 states and 14293 transitions. [2021-11-06 21:38:22,878 INFO L78 Accepts]: Start accepts. Automaton has 11211 states and 14293 transitions. Word has length 84 [2021-11-06 21:38:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:22,878 INFO L470 AbstractCegarLoop]: Abstraction has 11211 states and 14293 transitions. [2021-11-06 21:38:22,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11211 states and 14293 transitions. [2021-11-06 21:38:22,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-06 21:38:22,881 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:22,881 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:22,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-06 21:38:22,881 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr229ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:22,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:22,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1889202770, now seen corresponding path program 1 times [2021-11-06 21:38:22,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:22,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36493797] [2021-11-06 21:38:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:22,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:23,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:23,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36493797] [2021-11-06 21:38:23,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36493797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:23,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:38:23,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 21:38:23,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000432956] [2021-11-06 21:38:23,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 21:38:23,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:23,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 21:38:23,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 21:38:23,077 INFO L87 Difference]: Start difference. First operand 11211 states and 14293 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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) [2021-11-06 21:38:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:27,513 INFO L93 Difference]: Finished difference Result 24907 states and 32071 transitions. [2021-11-06 21:38:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:38:27,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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 [2021-11-06 21:38:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:27,533 INFO L225 Difference]: With dead ends: 24907 [2021-11-06 21:38:27,533 INFO L226 Difference]: Without dead ends: 17263 [2021-11-06 21:38:27,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:38:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17263 states. [2021-11-06 21:38:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17263 to 10598. [2021-11-06 21:38:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10598 states, 10557 states have (on average 1.2784882068769536) internal successors, (13497), 10597 states have internal predecessors, (13497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10598 states to 10598 states and 13497 transitions. [2021-11-06 21:38:28,587 INFO L78 Accepts]: Start accepts. Automaton has 10598 states and 13497 transitions. Word has length 89 [2021-11-06 21:38:28,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:28,587 INFO L470 AbstractCegarLoop]: Abstraction has 10598 states and 13497 transitions. [2021-11-06 21:38:28,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 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) [2021-11-06 21:38:28,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10598 states and 13497 transitions. [2021-11-06 21:38:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-06 21:38:28,589 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:28,589 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:28,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-06 21:38:28,589 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:28,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1440529368, now seen corresponding path program 1 times [2021-11-06 21:38:28,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:28,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569762559] [2021-11-06 21:38:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:28,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:28,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:28,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:28,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569762559] [2021-11-06 21:38:28,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569762559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:28,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:38:28,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:38:28,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020808472] [2021-11-06 21:38:28,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:38:28,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:28,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:38:28,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:28,740 INFO L87 Difference]: Start difference. First operand 10598 states and 13497 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:29,892 INFO L93 Difference]: Finished difference Result 15558 states and 19813 transitions. [2021-11-06 21:38:29,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:38:29,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-11-06 21:38:29,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:29,907 INFO L225 Difference]: With dead ends: 15558 [2021-11-06 21:38:29,907 INFO L226 Difference]: Without dead ends: 10706 [2021-11-06 21:38:29,916 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10706 states. [2021-11-06 21:38:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10706 to 10634. [2021-11-06 21:38:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10634 states, 10593 states have (on average 1.2775417728688756) internal successors, (13533), 10633 states have internal predecessors, (13533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10634 states to 10634 states and 13533 transitions. [2021-11-06 21:38:30,967 INFO L78 Accepts]: Start accepts. Automaton has 10634 states and 13533 transitions. Word has length 99 [2021-11-06 21:38:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:30,967 INFO L470 AbstractCegarLoop]: Abstraction has 10634 states and 13533 transitions. [2021-11-06 21:38:30,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 10634 states and 13533 transitions. [2021-11-06 21:38:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-06 21:38:30,969 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:30,969 INFO L513 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] [2021-11-06 21:38:30,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-06 21:38:30,969 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:30,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1442190122, now seen corresponding path program 1 times [2021-11-06 21:38:30,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:30,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157711503] [2021-11-06 21:38:30,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:30,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:31,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:31,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:31,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157711503] [2021-11-06 21:38:31,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157711503] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:31,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963271608] [2021-11-06 21:38:31,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:31,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:31,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:31,153 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) [2021-11-06 21:38:31,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 21:38:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:31,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 21:38:31,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:38:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:32,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963271608] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:32,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 21:38:32,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-11-06 21:38:32,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112260910] [2021-11-06 21:38:32,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:38:32,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:32,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:38:32,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:38:32,224 INFO L87 Difference]: Start difference. First operand 10634 states and 13533 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:33,566 INFO L93 Difference]: Finished difference Result 15686 states and 19941 transitions. [2021-11-06 21:38:33,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 21:38:33,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 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 [2021-11-06 21:38:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:33,580 INFO L225 Difference]: With dead ends: 15686 [2021-11-06 21:38:33,580 INFO L226 Difference]: Without dead ends: 10814 [2021-11-06 21:38:33,589 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 21:38:33,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10814 states. [2021-11-06 21:38:34,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10814 to 10742. [2021-11-06 21:38:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10742 states, 10701 states have (on average 1.2747406784412671) internal successors, (13641), 10741 states have internal predecessors, (13641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10742 states to 10742 states and 13641 transitions. [2021-11-06 21:38:34,586 INFO L78 Accepts]: Start accepts. Automaton has 10742 states and 13641 transitions. Word has length 102 [2021-11-06 21:38:34,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:34,586 INFO L470 AbstractCegarLoop]: Abstraction has 10742 states and 13641 transitions. [2021-11-06 21:38:34,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:34,587 INFO L276 IsEmpty]: Start isEmpty. Operand 10742 states and 13641 transitions. [2021-11-06 21:38:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-06 21:38:34,589 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:34,589 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:34,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-06 21:38:34,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-11-06 21:38:34,790 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:34,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:34,790 INFO L85 PathProgramCache]: Analyzing trace with hash 621895016, now seen corresponding path program 2 times [2021-11-06 21:38:34,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:34,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130939348] [2021-11-06 21:38:34,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:34,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:35,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:35,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130939348] [2021-11-06 21:38:35,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130939348] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:35,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653050863] [2021-11-06 21:38:35,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 21:38:35,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:35,013 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:38:35,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 21:38:35,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 21:38:35,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 21:38:35,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 3053 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-06 21:38:35,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:38:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-06 21:38:36,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653050863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:36,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 21:38:36,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-06 21:38:36,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784618942] [2021-11-06 21:38:36,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 21:38:36,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:36,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 21:38:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-06 21:38:36,236 INFO L87 Difference]: Start difference. First operand 10742 states and 13641 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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) [2021-11-06 21:38:37,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:37,560 INFO L93 Difference]: Finished difference Result 21477 states and 27274 transitions. [2021-11-06 21:38:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:38:37,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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 105 [2021-11-06 21:38:37,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:37,572 INFO L225 Difference]: With dead ends: 21477 [2021-11-06 21:38:37,572 INFO L226 Difference]: Without dead ends: 10742 [2021-11-06 21:38:37,583 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-06 21:38:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10742 states. [2021-11-06 21:38:38,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10742 to 10742. [2021-11-06 21:38:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10742 states, 10701 states have (on average 1.274647229230913) internal successors, (13640), 10741 states have internal predecessors, (13640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10742 states to 10742 states and 13640 transitions. [2021-11-06 21:38:38,634 INFO L78 Accepts]: Start accepts. Automaton has 10742 states and 13640 transitions. Word has length 105 [2021-11-06 21:38:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:38,634 INFO L470 AbstractCegarLoop]: Abstraction has 10742 states and 13640 transitions. [2021-11-06 21:38:38,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 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) [2021-11-06 21:38:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 10742 states and 13640 transitions. [2021-11-06 21:38:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-06 21:38:38,637 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:38,637 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:38,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-06 21:38:38,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:38,839 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:38,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1652935914, now seen corresponding path program 1 times [2021-11-06 21:38:38,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:38,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403898312] [2021-11-06 21:38:38,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:38,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:39,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:39,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403898312] [2021-11-06 21:38:39,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403898312] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:39,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057709461] [2021-11-06 21:38:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:39,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:39,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:39,057 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:38:39,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 21:38:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:39,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-06 21:38:39,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:38:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:40,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057709461] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:40,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 21:38:40,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-06 21:38:40,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393946930] [2021-11-06 21:38:40,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-06 21:38:40,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-06 21:38:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-06 21:38:40,209 INFO L87 Difference]: Start difference. First operand 10742 states and 13640 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:41,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:41,501 INFO L93 Difference]: Finished difference Result 15854 states and 20108 transitions. [2021-11-06 21:38:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 21:38:41,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 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 105 [2021-11-06 21:38:41,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:41,514 INFO L225 Difference]: With dead ends: 15854 [2021-11-06 21:38:41,514 INFO L226 Difference]: Without dead ends: 10922 [2021-11-06 21:38:41,519 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-06 21:38:41,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10922 states. [2021-11-06 21:38:42,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10922 to 10850. [2021-11-06 21:38:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 10809 states have (on average 1.2719030437598298) internal successors, (13748), 10849 states have internal predecessors, (13748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 13748 transitions. [2021-11-06 21:38:42,575 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 13748 transitions. Word has length 105 [2021-11-06 21:38:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:42,575 INFO L470 AbstractCegarLoop]: Abstraction has 10850 states and 13748 transitions. [2021-11-06 21:38:42,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 13748 transitions. [2021-11-06 21:38:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-06 21:38:42,578 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:42,578 INFO L513 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] [2021-11-06 21:38:42,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-06 21:38:42,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:42,778 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:42,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash -313592424, now seen corresponding path program 1 times [2021-11-06 21:38:42,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:42,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150448975] [2021-11-06 21:38:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:42,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:42,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:42,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150448975] [2021-11-06 21:38:42,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150448975] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:42,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:38:42,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:38:42,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891085208] [2021-11-06 21:38:42,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:38:42,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:42,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:38:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:42,945 INFO L87 Difference]: Start difference. First operand 10850 states and 13748 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:44,731 INFO L93 Difference]: Finished difference Result 25638 states and 32805 transitions. [2021-11-06 21:38:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:38:44,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2021-11-06 21:38:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:44,748 INFO L225 Difference]: With dead ends: 25638 [2021-11-06 21:38:44,748 INFO L226 Difference]: Without dead ends: 15111 [2021-11-06 21:38:44,757 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:38:44,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15111 states. [2021-11-06 21:38:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15111 to 10652. [2021-11-06 21:38:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10652 states, 10617 states have (on average 1.2700386173118583) internal successors, (13484), 10651 states have internal predecessors, (13484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 10652 states and 13484 transitions. [2021-11-06 21:38:45,761 INFO L78 Accepts]: Start accepts. Automaton has 10652 states and 13484 transitions. Word has length 107 [2021-11-06 21:38:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:45,762 INFO L470 AbstractCegarLoop]: Abstraction has 10652 states and 13484 transitions. [2021-11-06 21:38:45,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 10652 states and 13484 transitions. [2021-11-06 21:38:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-06 21:38:45,764 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:45,764 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:45,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-06 21:38:45,764 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:45,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1131244332, now seen corresponding path program 2 times [2021-11-06 21:38:45,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:45,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542952145] [2021-11-06 21:38:45,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:45,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:45,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:45,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542952145] [2021-11-06 21:38:45,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542952145] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:38:45,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187350135] [2021-11-06 21:38:45,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-06 21:38:45,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:45,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:45,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:38:46,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 21:38:46,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-06 21:38:46,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-06 21:38:46,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 3051 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-06 21:38:46,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:38:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-06 21:38:47,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187350135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:47,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 21:38:47,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2021-11-06 21:38:47,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624899951] [2021-11-06 21:38:47,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-06 21:38:47,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:47,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-06 21:38:47,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-06 21:38:47,386 INFO L87 Difference]: Start difference. First operand 10652 states and 13484 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 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) [2021-11-06 21:38:49,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:49,005 INFO L93 Difference]: Finished difference Result 13489 states and 17059 transitions. [2021-11-06 21:38:49,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 21:38:49,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 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 108 [2021-11-06 21:38:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:49,018 INFO L225 Difference]: With dead ends: 13489 [2021-11-06 21:38:49,018 INFO L226 Difference]: Without dead ends: 10652 [2021-11-06 21:38:49,022 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2021-11-06 21:38:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10652 states. [2021-11-06 21:38:50,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10652 to 10652. [2021-11-06 21:38:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10652 states, 10617 states have (on average 1.2699444287463502) internal successors, (13483), 10651 states have internal predecessors, (13483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10652 states to 10652 states and 13483 transitions. [2021-11-06 21:38:50,116 INFO L78 Accepts]: Start accepts. Automaton has 10652 states and 13483 transitions. Word has length 108 [2021-11-06 21:38:50,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:50,116 INFO L470 AbstractCegarLoop]: Abstraction has 10652 states and 13483 transitions. [2021-11-06 21:38:50,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 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) [2021-11-06 21:38:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 10652 states and 13483 transitions. [2021-11-06 21:38:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-06 21:38:50,118 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:50,118 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:50,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-06 21:38:50,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-11-06 21:38:50,327 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:50,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:50,328 INFO L85 PathProgramCache]: Analyzing trace with hash 289587588, now seen corresponding path program 1 times [2021-11-06 21:38:50,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:50,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956402392] [2021-11-06 21:38:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:50,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:38:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:38:50,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:38:50,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956402392] [2021-11-06 21:38:50,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956402392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:38:50,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:38:50,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-06 21:38:50,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756535447] [2021-11-06 21:38:50,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-06 21:38:50,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:38:50,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-06 21:38:50,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-06 21:38:50,732 INFO L87 Difference]: Start difference. First operand 10652 states and 13483 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:55,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:38:55,834 INFO L93 Difference]: Finished difference Result 34626 states and 43848 transitions. [2021-11-06 21:38:55,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-06 21:38:55,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2021-11-06 21:38:55,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:38:55,868 INFO L225 Difference]: With dead ends: 34626 [2021-11-06 21:38:55,868 INFO L226 Difference]: Without dead ends: 24047 [2021-11-06 21:38:55,886 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-06 21:38:55,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2021-11-06 21:38:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 10658. [2021-11-06 21:38:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10658 states, 10623 states have (on average 1.2697919608396875) internal successors, (13489), 10657 states have internal predecessors, (13489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10658 states to 10658 states and 13489 transitions. [2021-11-06 21:38:57,257 INFO L78 Accepts]: Start accepts. Automaton has 10658 states and 13489 transitions. Word has length 117 [2021-11-06 21:38:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:38:57,257 INFO L470 AbstractCegarLoop]: Abstraction has 10658 states and 13489 transitions. [2021-11-06 21:38:57,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:38:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 10658 states and 13489 transitions. [2021-11-06 21:38:57,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-06 21:38:57,260 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:38:57,260 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:38:57,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-06 21:38:57,260 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:38:57,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:38:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1912949592, now seen corresponding path program 1 times [2021-11-06 21:38:57,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:38:57,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984331136] [2021-11-06 21:38:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:57,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:38:57,325 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 21:38:57,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444589279] [2021-11-06 21:38:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:38:57,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:38:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:38:57,327 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:38:57,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 21:41:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:41:43,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 3286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 21:41:43,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:41:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:41:43,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:41:43,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984331136] [2021-11-06 21:41:43,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 21:41:43,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444589279] [2021-11-06 21:41:43,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444589279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:41:43,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:41:43,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 21:41:43,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561762117] [2021-11-06 21:41:43,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 21:41:43,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:41:43,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 21:41:43,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:41:43,506 INFO L87 Difference]: Start difference. First operand 10658 states and 13489 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:41:45,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:41:45,132 INFO L93 Difference]: Finished difference Result 24063 states and 30458 transitions. [2021-11-06 21:41:45,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 21:41:45,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-11-06 21:41:45,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:41:45,147 INFO L225 Difference]: With dead ends: 24063 [2021-11-06 21:41:45,147 INFO L226 Difference]: Without dead ends: 13495 [2021-11-06 21:41:45,155 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 21:41:45,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13495 states. [2021-11-06 21:41:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13495 to 10658. [2021-11-06 21:41:46,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10658 states, 10623 states have (on average 1.2696978254730302) internal successors, (13488), 10657 states have internal predecessors, (13488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:41:46,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10658 states to 10658 states and 13488 transitions. [2021-11-06 21:41:46,293 INFO L78 Accepts]: Start accepts. Automaton has 10658 states and 13488 transitions. Word has length 123 [2021-11-06 21:41:46,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:41:46,293 INFO L470 AbstractCegarLoop]: Abstraction has 10658 states and 13488 transitions. [2021-11-06 21:41:46,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:41:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 10658 states and 13488 transitions. [2021-11-06 21:41:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-06 21:41:46,295 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:41:46,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:41:46,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-06 21:41:46,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-06 21:41:46,496 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:41:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:41:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash 541142294, now seen corresponding path program 1 times [2021-11-06 21:41:46,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:41:46,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242624043] [2021-11-06 21:41:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:41:46,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:41:46,559 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 21:41:46,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951617645] [2021-11-06 21:41:46,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:41:46,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:41:46,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:41:46,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:41:46,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 21:42:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:42:10,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 3287 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-06 21:42:10,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:42:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:42:11,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:42:11,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242624043] [2021-11-06 21:42:11,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 21:42:11,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951617645] [2021-11-06 21:42:11,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951617645] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:42:11,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:42:11,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-06 21:42:11,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009753795] [2021-11-06 21:42:11,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 21:42:11,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:42:11,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 21:42:11,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:42:11,056 INFO L87 Difference]: Start difference. First operand 10658 states and 13488 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:42:14,007 INFO L93 Difference]: Finished difference Result 33591 states and 42589 transitions. [2021-11-06 21:42:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-06 21:42:14,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2021-11-06 21:42:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:42:14,034 INFO L225 Difference]: With dead ends: 33591 [2021-11-06 21:42:14,034 INFO L226 Difference]: Without dead ends: 23046 [2021-11-06 21:42:14,048 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-06 21:42:14,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23046 states. [2021-11-06 21:42:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23046 to 10663. [2021-11-06 21:42:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10663 states, 10628 states have (on average 1.2695709446744448) internal successors, (13493), 10662 states have internal predecessors, (13493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10663 states to 10663 states and 13493 transitions. [2021-11-06 21:42:15,420 INFO L78 Accepts]: Start accepts. Automaton has 10663 states and 13493 transitions. Word has length 123 [2021-11-06 21:42:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:42:15,420 INFO L470 AbstractCegarLoop]: Abstraction has 10663 states and 13493 transitions. [2021-11-06 21:42:15,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 7 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 10663 states and 13493 transitions. [2021-11-06 21:42:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-06 21:42:15,422 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:42:15,422 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:42:15,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 21:42:15,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:42:15,623 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:42:15,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:42:15,623 INFO L85 PathProgramCache]: Analyzing trace with hash -138087776, now seen corresponding path program 1 times [2021-11-06 21:42:15,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:42:15,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604522998] [2021-11-06 21:42:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:42:15,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:42:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:42:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:42:15,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:42:15,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604522998] [2021-11-06 21:42:15,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604522998] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:42:15,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895461876] [2021-11-06 21:42:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:42:15,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:42:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:42:15,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:42:15,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 21:42:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:42:16,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 3207 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 21:42:16,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 21:42:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 21:42:17,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895461876] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 21:42:17,090 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-06 21:42:17,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-11-06 21:42:17,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793098762] [2021-11-06 21:42:17,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-06 21:42:17,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:42:17,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-06 21:42:17,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:42:17,092 INFO L87 Difference]: Start difference. First operand 10663 states and 13493 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:42:18,794 INFO L93 Difference]: Finished difference Result 15755 states and 19933 transitions. [2021-11-06 21:42:18,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-06 21:42:18,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 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 123 [2021-11-06 21:42:18,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:42:18,805 INFO L225 Difference]: With dead ends: 15755 [2021-11-06 21:42:18,805 INFO L226 Difference]: Without dead ends: 10771 [2021-11-06 21:42:18,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-06 21:42:18,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10771 states. [2021-11-06 21:42:20,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10771 to 10771. [2021-11-06 21:42:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10771 states, 10736 states have (on average 1.2668591654247392) internal successors, (13601), 10770 states have internal predecessors, (13601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10771 states to 10771 states and 13601 transitions. [2021-11-06 21:42:20,044 INFO L78 Accepts]: Start accepts. Automaton has 10771 states and 13601 transitions. Word has length 123 [2021-11-06 21:42:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:42:20,044 INFO L470 AbstractCegarLoop]: Abstraction has 10771 states and 13601 transitions. [2021-11-06 21:42:20,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 10771 states and 13601 transitions. [2021-11-06 21:42:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-06 21:42:20,047 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:42:20,047 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:42:20,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-06 21:42:20,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2021-11-06 21:42:20,247 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:42:20,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:42:20,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1139274914, now seen corresponding path program 2 times [2021-11-06 21:42:20,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:42:20,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010965413] [2021-11-06 21:42:20,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:42:20,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:42:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 21:42:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-06 21:42:21,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 21:42:21,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010965413] [2021-11-06 21:42:21,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010965413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 21:42:21,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 21:42:21,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-06 21:42:21,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861182145] [2021-11-06 21:42:21,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-06 21:42:21,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 21:42:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-06 21:42:21,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-06 21:42:21,674 INFO L87 Difference]: Start difference. First operand 10771 states and 13601 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:23,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 21:42:23,618 INFO L93 Difference]: Finished difference Result 13635 states and 17203 transitions. [2021-11-06 21:42:23,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-06 21:42:23,619 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 126 [2021-11-06 21:42:23,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 21:42:23,631 INFO L225 Difference]: With dead ends: 13635 [2021-11-06 21:42:23,631 INFO L226 Difference]: Without dead ends: 10765 [2021-11-06 21:42:23,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-06 21:42:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10765 states. [2021-11-06 21:42:24,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10765 to 10765. [2021-11-06 21:42:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10765 states, 10730 states have (on average 1.2668219944082013) internal successors, (13593), 10764 states have internal predecessors, (13593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10765 states to 10765 states and 13593 transitions. [2021-11-06 21:42:24,945 INFO L78 Accepts]: Start accepts. Automaton has 10765 states and 13593 transitions. Word has length 126 [2021-11-06 21:42:24,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 21:42:24,945 INFO L470 AbstractCegarLoop]: Abstraction has 10765 states and 13593 transitions. [2021-11-06 21:42:24,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 21:42:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10765 states and 13593 transitions. [2021-11-06 21:42:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-06 21:42:24,945 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 21:42:24,946 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 21:42:24,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-06 21:42:24,946 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-06 21:42:24,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 21:42:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash 2129628418, now seen corresponding path program 1 times [2021-11-06 21:42:24,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 21:42:24,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288524097] [2021-11-06 21:42:24,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:42:24,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 21:42:25,001 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 21:42:25,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300815957] [2021-11-06 21:42:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 21:42:25,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 21:42:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 21:42:25,004 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 21:42:25,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process Killed by 15