./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 5f08f0f0 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-wip.dd.seqcomp-5f08f0f [2021-11-05 23:22:50,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 23:22:50,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 23:22:50,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 23:22:50,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 23:22:50,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 23:22:50,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 23:22:50,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 23:22:50,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 23:22:50,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 23:22:50,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 23:22:50,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 23:22:50,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 23:22:50,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 23:22:50,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 23:22:50,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 23:22:50,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 23:22:50,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 23:22:50,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 23:22:50,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 23:22:50,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 23:22:50,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 23:22:50,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 23:22:50,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 23:22:50,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 23:22:50,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 23:22:50,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 23:22:50,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 23:22:50,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 23:22:50,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 23:22:50,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 23:22:50,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 23:22:50,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 23:22:50,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 23:22:50,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 23:22:50,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 23:22:50,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 23:22:50,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 23:22:50,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 23:22:50,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 23:22:50,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 23:22:50,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 23:22:50,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 23:22:50,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 23:22:50,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 23:22:50,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 23:22:50,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 23:22:50,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 23:22:50,594 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 23:22:50,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 23:22:50,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 23:22:50,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 23:22:50,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 23:22:50,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 23:22:50,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 23:22:50,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 23:22:50,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 23:22:50,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 23:22:50,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 23:22:50,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 23:22:50,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 23:22:50,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:22:50,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 23:22:50,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 23:22:50,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 23:22:50,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 23:22:50,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4426d364359557dc10cf7e8f346d379b7d379eaf4a1a095af818bcdb9a3f651d [2021-11-05 23:22:50,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 23:22:50,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 23:22:50,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 23:22:50,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 23:22:50,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 23:22:50,926 INFO L432 ainManager$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 [2021-11-05 23:22:50,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9ea76a3/cbd771b8b1d646d7aeced029d7dbbd1c/FLAGa1ac89f58 [2021-11-05 23:22:51,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 23:22:51,826 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 [2021-11-05 23:22:51,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9ea76a3/cbd771b8b1d646d7aeced029d7dbbd1c/FLAGa1ac89f58 [2021-11-05 23:22:52,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9ea76a3/cbd771b8b1d646d7aeced029d7dbbd1c [2021-11-05 23:22:52,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 23:22:52,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 23:22:52,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 23:22:52,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 23:22:52,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 23:22:52,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:22:52" (1/1) ... [2021-11-05 23:22:52,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317284bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:52, skipping insertion in model container [2021-11-05 23:22:52,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:22:52" (1/1) ... [2021-11-05 23:22:52,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 23:22:52,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 23:22:55,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,287 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,289 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,290 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,293 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,295 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,296 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,297 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,298 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,299 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,300 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,301 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,302 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,303 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,305 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,306 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,309 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,310 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,311 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,312 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,313 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,314 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,315 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,316 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,317 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,318 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,319 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,320 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,321 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,322 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:22:55,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 23:22:55,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,711 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,717 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,719 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,720 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,722 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,723 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,725 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,727 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,732 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,733 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,733 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,734 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,736 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,736 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,737 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,738 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,739 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,739 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,741 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,741 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,741 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,742 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,743 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,744 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,745 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,746 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,748 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,752 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,754 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,755 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,761 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,763 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,778 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,779 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,780 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2021-11-05 23:22:55,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:22:56,028 INFO L208 MainTranslator]: Completed translation [2021-11-05 23:22:56,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56 WrapperNode [2021-11-05 23:22:56,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 23:22:56,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 23:22:56,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 23:22:56,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 23:22:56,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:56,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:56,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 23:22:56,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 23:22:56,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 23:22:56,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 23:22:56,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:56,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:56,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:56,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:57,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:57,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:57,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:57,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 23:22:57,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 23:22:57,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 23:22:57,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 23:22:57,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (1/1) ... [2021-11-05 23:22:57,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:22:57,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:22:57,453 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) [2021-11-05 23:22:57,519 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 [2021-11-05 23:22:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-05 23:22:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 23:22:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 23:22:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 23:22:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 23:22:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 23:22:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 23:22:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 23:22:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 23:23:28,704 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_9_returnLabel: main_#res := 0; [2021-11-05 23:23:28,704 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-05 23:23:28,705 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10512: #t~ret967 := main_#res; [2021-11-05 23:23:28,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 23:23:28,736 INFO L299 CfgBuilder]: Removed 3340 assume(true) statements. [2021-11-05 23:23:28,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:23:28 BoogieIcfgContainer [2021-11-05 23:23:28,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 23:23:28,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 23:23:28,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 23:23:28,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 23:23:28,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:22:52" (1/3) ... [2021-11-05 23:23:28,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e76494a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:23:28, skipping insertion in model container [2021-11-05 23:23:28,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:22:56" (2/3) ... [2021-11-05 23:23:28,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e76494a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:23:28, skipping insertion in model container [2021-11-05 23:23:28,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:23:28" (3/3) ... [2021-11-05 23:23:28,748 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko.cil.i [2021-11-05 23:23:28,752 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 23:23:28,752 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 297 error locations. [2021-11-05 23:23:28,811 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 23:23:28,817 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 [2021-11-05 23:23:28,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 297 error locations. [2021-11-05 23:23:28,886 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) [2021-11-05 23:23:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-05 23:23:28,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:28,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:28,892 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)] === [2021-11-05 23:23:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1977098488, now seen corresponding path program 1 times [2021-11-05 23:23:28,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:28,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433764310] [2021-11-05 23:23:28,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:28,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:29,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:29,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:29,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433764310] [2021-11-05 23:23:29,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433764310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:29,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:29,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:29,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462175351] [2021-11-05 23:23:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:29,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:29,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:29,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:29,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:29,626 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) [2021-11-05 23:23:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:29,980 INFO L93 Difference]: Finished difference Result 8461 states and 11734 transitions. [2021-11-05 23:23:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:29,983 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 [2021-11-05 23:23:29,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:30,017 INFO L225 Difference]: With dead ends: 8461 [2021-11-05 23:23:30,018 INFO L226 Difference]: Without dead ends: 4197 [2021-11-05 23:23:30,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.71ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:30,037 INFO L933 BasicCegarLoop]: 5604 mSDtfsCounter, 5746 mSDsluCounter, 5442 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5746 SdHoareTripleChecker+Valid, 11046 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.02ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.85ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:30,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5746 Valid, 11046 Invalid, 6 Unknown, 0 Unchecked, 39.02ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 31.85ms Time] [2021-11-05 23:23:30,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2021-11-05 23:23:30,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4197. [2021-11-05 23:23:30,206 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) [2021-11-05 23:23:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 4197 states and 5472 transitions. [2021-11-05 23:23:30,225 INFO L78 Accepts]: Start accepts. Automaton has 4197 states and 5472 transitions. Word has length 29 [2021-11-05 23:23:30,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:30,225 INFO L470 AbstractCegarLoop]: Abstraction has 4197 states and 5472 transitions. [2021-11-05 23:23:30,225 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) [2021-11-05 23:23:30,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 5472 transitions. [2021-11-05 23:23:30,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-05 23:23:30,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:30,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:30,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 23:23:30,229 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)] === [2021-11-05 23:23:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1615619028, now seen corresponding path program 1 times [2021-11-05 23:23:30,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:30,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232807985] [2021-11-05 23:23:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:30,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:30,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:30,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232807985] [2021-11-05 23:23:30,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232807985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:30,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:30,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:30,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389895646] [2021-11-05 23:23:30,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:30,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:30,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:30,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:30,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:30,710 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) [2021-11-05 23:23:30,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:30,846 INFO L93 Difference]: Finished difference Result 4197 states and 5472 transitions. [2021-11-05 23:23:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:30,847 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 [2021-11-05 23:23:30,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:30,862 INFO L225 Difference]: With dead ends: 4197 [2021-11-05 23:23:30,862 INFO L226 Difference]: Without dead ends: 4193 [2021-11-05 23:23:30,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.31ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:30,866 INFO L933 BasicCegarLoop]: 5464 mSDtfsCounter, 5592 mSDsluCounter, 5314 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5592 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.89ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:30,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5592 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 21.54ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.89ms Time] [2021-11-05 23:23:30,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4193 states. [2021-11-05 23:23:30,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4193 to 4193. [2021-11-05 23:23:30,972 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) [2021-11-05 23:23:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 4193 states and 5468 transitions. [2021-11-05 23:23:30,984 INFO L78 Accepts]: Start accepts. Automaton has 4193 states and 5468 transitions. Word has length 31 [2021-11-05 23:23:30,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:30,985 INFO L470 AbstractCegarLoop]: Abstraction has 4193 states and 5468 transitions. [2021-11-05 23:23:30,985 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) [2021-11-05 23:23:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4193 states and 5468 transitions. [2021-11-05 23:23:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-05 23:23:30,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:30,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:30,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 23:23:30,987 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)] === [2021-11-05 23:23:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:30,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2126208592, now seen corresponding path program 1 times [2021-11-05 23:23:30,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:30,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664512742] [2021-11-05 23:23:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:30,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:31,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:31,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664512742] [2021-11-05 23:23:31,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664512742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:31,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:31,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:31,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232665248] [2021-11-05 23:23:31,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:31,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:31,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:31,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:31,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:31,241 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) [2021-11-05 23:23:31,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:31,371 INFO L93 Difference]: Finished difference Result 4193 states and 5468 transitions. [2021-11-05 23:23:31,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:31,372 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 [2021-11-05 23:23:31,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:31,386 INFO L225 Difference]: With dead ends: 4193 [2021-11-05 23:23:31,386 INFO L226 Difference]: Without dead ends: 4189 [2021-11-05 23:23:31,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:31,389 INFO L933 BasicCegarLoop]: 5460 mSDtfsCounter, 5578 mSDsluCounter, 5318 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.35ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:31,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5578 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 16.16ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.35ms Time] [2021-11-05 23:23:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4189 states. [2021-11-05 23:23:31,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4189 to 4189. [2021-11-05 23:23:31,487 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) [2021-11-05 23:23:31,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 4189 states and 5464 transitions. [2021-11-05 23:23:31,501 INFO L78 Accepts]: Start accepts. Automaton has 4189 states and 5464 transitions. Word has length 33 [2021-11-05 23:23:31,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:31,501 INFO L470 AbstractCegarLoop]: Abstraction has 4189 states and 5464 transitions. [2021-11-05 23:23:31,501 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) [2021-11-05 23:23:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 4189 states and 5464 transitions. [2021-11-05 23:23:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-05 23:23:31,503 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:31,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:31,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 23:23:31,503 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)] === [2021-11-05 23:23:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:31,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1118459796, now seen corresponding path program 1 times [2021-11-05 23:23:31,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:31,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596104072] [2021-11-05 23:23:31,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:31,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:31,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:31,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:31,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596104072] [2021-11-05 23:23:31,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596104072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:31,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:31,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:31,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395795243] [2021-11-05 23:23:31,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:31,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:31,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:31,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:31,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:31,721 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) [2021-11-05 23:23:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:31,851 INFO L93 Difference]: Finished difference Result 4189 states and 5464 transitions. [2021-11-05 23:23:31,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:31,852 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 [2021-11-05 23:23:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:31,866 INFO L225 Difference]: With dead ends: 4189 [2021-11-05 23:23:31,866 INFO L226 Difference]: Without dead ends: 4185 [2021-11-05 23:23:31,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:31,868 INFO L933 BasicCegarLoop]: 5456 mSDtfsCounter, 5564 mSDsluCounter, 5322 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.42ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:31,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5564 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 15.29ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.42ms Time] [2021-11-05 23:23:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4185 states. [2021-11-05 23:23:31,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4185 to 4185. [2021-11-05 23:23:31,978 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) [2021-11-05 23:23:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 4185 states and 5460 transitions. [2021-11-05 23:23:31,994 INFO L78 Accepts]: Start accepts. Automaton has 4185 states and 5460 transitions. Word has length 35 [2021-11-05 23:23:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:31,994 INFO L470 AbstractCegarLoop]: Abstraction has 4185 states and 5460 transitions. [2021-11-05 23:23:31,994 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) [2021-11-05 23:23:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 5460 transitions. [2021-11-05 23:23:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-05 23:23:31,995 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:31,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:31,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 23:23:31,996 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)] === [2021-11-05 23:23:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:31,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1098524120, now seen corresponding path program 1 times [2021-11-05 23:23:31,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:31,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424165924] [2021-11-05 23:23:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:31,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:32,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:32,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424165924] [2021-11-05 23:23:32,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424165924] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:32,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:32,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:32,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965745329] [2021-11-05 23:23:32,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:32,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:32,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:32,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:32,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:32,236 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) [2021-11-05 23:23:32,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:32,447 INFO L93 Difference]: Finished difference Result 4185 states and 5460 transitions. [2021-11-05 23:23:32,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:32,451 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 [2021-11-05 23:23:32,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:32,465 INFO L225 Difference]: With dead ends: 4185 [2021-11-05 23:23:32,466 INFO L226 Difference]: Without dead ends: 4181 [2021-11-05 23:23:32,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:32,468 INFO L933 BasicCegarLoop]: 5452 mSDtfsCounter, 5550 mSDsluCounter, 5326 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5550 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.08ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.85ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:32,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5550 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 12.08ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.85ms Time] [2021-11-05 23:23:32,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4181 states. [2021-11-05 23:23:32,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4181 to 4181. [2021-11-05 23:23:32,575 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) [2021-11-05 23:23:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 4181 states and 5456 transitions. [2021-11-05 23:23:32,588 INFO L78 Accepts]: Start accepts. Automaton has 4181 states and 5456 transitions. Word has length 37 [2021-11-05 23:23:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:32,588 INFO L470 AbstractCegarLoop]: Abstraction has 4181 states and 5456 transitions. [2021-11-05 23:23:32,589 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) [2021-11-05 23:23:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4181 states and 5456 transitions. [2021-11-05 23:23:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-05 23:23:32,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:32,590 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:32,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 23:23:32,590 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)] === [2021-11-05 23:23:32,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:32,591 INFO L85 PathProgramCache]: Analyzing trace with hash -879790980, now seen corresponding path program 1 times [2021-11-05 23:23:32,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:32,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388946752] [2021-11-05 23:23:32,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:32,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:32,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:32,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388946752] [2021-11-05 23:23:32,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388946752] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:32,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:32,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:32,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881405563] [2021-11-05 23:23:32,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:32,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:32,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:32,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:32,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:32,798 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) [2021-11-05 23:23:32,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:32,927 INFO L93 Difference]: Finished difference Result 4181 states and 5456 transitions. [2021-11-05 23:23:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:32,928 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 [2021-11-05 23:23:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:32,942 INFO L225 Difference]: With dead ends: 4181 [2021-11-05 23:23:32,942 INFO L226 Difference]: Without dead ends: 4177 [2021-11-05 23:23:32,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.24ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:32,944 INFO L933 BasicCegarLoop]: 5448 mSDtfsCounter, 5536 mSDsluCounter, 5330 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5536 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.90ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.38ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:32,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5536 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 10.90ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.38ms Time] [2021-11-05 23:23:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2021-11-05 23:23:33,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 4177. [2021-11-05 23:23:33,055 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) [2021-11-05 23:23:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 4177 states and 5452 transitions. [2021-11-05 23:23:33,064 INFO L78 Accepts]: Start accepts. Automaton has 4177 states and 5452 transitions. Word has length 39 [2021-11-05 23:23:33,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:33,064 INFO L470 AbstractCegarLoop]: Abstraction has 4177 states and 5452 transitions. [2021-11-05 23:23:33,064 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) [2021-11-05 23:23:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4177 states and 5452 transitions. [2021-11-05 23:23:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 23:23:33,065 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:33,066 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:33,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 23:23:33,066 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)] === [2021-11-05 23:23:33,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:33,066 INFO L85 PathProgramCache]: Analyzing trace with hash 629910400, now seen corresponding path program 1 times [2021-11-05 23:23:33,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:33,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742666658] [2021-11-05 23:23:33,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:33,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:33,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:33,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742666658] [2021-11-05 23:23:33,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742666658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:33,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:33,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:33,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567499584] [2021-11-05 23:23:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:33,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:33,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:33,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:33,292 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) [2021-11-05 23:23:33,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:33,418 INFO L93 Difference]: Finished difference Result 4177 states and 5452 transitions. [2021-11-05 23:23:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:33,418 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 [2021-11-05 23:23:33,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:33,431 INFO L225 Difference]: With dead ends: 4177 [2021-11-05 23:23:33,431 INFO L226 Difference]: Without dead ends: 4173 [2021-11-05 23:23:33,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.57ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:33,433 INFO L933 BasicCegarLoop]: 5444 mSDtfsCounter, 5522 mSDsluCounter, 5334 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.06ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:33,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5522 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 11.29ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.06ms Time] [2021-11-05 23:23:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4173 states. [2021-11-05 23:23:33,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4173 to 4173. [2021-11-05 23:23:33,544 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) [2021-11-05 23:23:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5448 transitions. [2021-11-05 23:23:33,556 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5448 transitions. Word has length 41 [2021-11-05 23:23:33,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:33,557 INFO L470 AbstractCegarLoop]: Abstraction has 4173 states and 5448 transitions. [2021-11-05 23:23:33,557 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) [2021-11-05 23:23:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5448 transitions. [2021-11-05 23:23:33,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-05 23:23:33,559 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:33,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:33,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 23:23:33,560 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)] === [2021-11-05 23:23:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:33,561 INFO L85 PathProgramCache]: Analyzing trace with hash -246009116, now seen corresponding path program 1 times [2021-11-05 23:23:33,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:33,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249302818] [2021-11-05 23:23:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:33,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:33,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:33,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249302818] [2021-11-05 23:23:33,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249302818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:33,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:33,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:33,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099313997] [2021-11-05 23:23:33,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:33,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:33,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:33,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:33,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:33,818 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) [2021-11-05 23:23:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:34,034 INFO L93 Difference]: Finished difference Result 4173 states and 5448 transitions. [2021-11-05 23:23:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:34,035 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 [2021-11-05 23:23:34,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:34,045 INFO L225 Difference]: With dead ends: 4173 [2021-11-05 23:23:34,045 INFO L226 Difference]: Without dead ends: 4169 [2021-11-05 23:23:34,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:34,047 INFO L933 BasicCegarLoop]: 5440 mSDtfsCounter, 5508 mSDsluCounter, 5338 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5508 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.01ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:34,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5508 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 13.15ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 15.01ms Time] [2021-11-05 23:23:34,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2021-11-05 23:23:34,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 4169. [2021-11-05 23:23:34,200 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) [2021-11-05 23:23:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5444 transitions. [2021-11-05 23:23:34,209 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5444 transitions. Word has length 43 [2021-11-05 23:23:34,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:34,210 INFO L470 AbstractCegarLoop]: Abstraction has 4169 states and 5444 transitions. [2021-11-05 23:23:34,210 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) [2021-11-05 23:23:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5444 transitions. [2021-11-05 23:23:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 23:23:34,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:34,211 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:34,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 23:23:34,212 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)] === [2021-11-05 23:23:34,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:34,212 INFO L85 PathProgramCache]: Analyzing trace with hash -191074617, now seen corresponding path program 1 times [2021-11-05 23:23:34,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:34,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274634908] [2021-11-05 23:23:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:34,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:34,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:34,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274634908] [2021-11-05 23:23:34,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274634908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:34,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:34,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:34,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791784594] [2021-11-05 23:23:34,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:34,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:34,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:34,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:34,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:34,458 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) [2021-11-05 23:23:34,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:34,629 INFO L93 Difference]: Finished difference Result 4169 states and 5444 transitions. [2021-11-05 23:23:34,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:34,629 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 [2021-11-05 23:23:34,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:34,637 INFO L225 Difference]: With dead ends: 4169 [2021-11-05 23:23:34,638 INFO L226 Difference]: Without dead ends: 4165 [2021-11-05 23:23:34,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:34,641 INFO L933 BasicCegarLoop]: 5436 mSDtfsCounter, 5494 mSDsluCounter, 5342 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5494 SdHoareTripleChecker+Valid, 10778 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.01ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.44ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:34,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5494 Valid, 10778 Invalid, 6 Unknown, 0 Unchecked, 12.01ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 15.44ms Time] [2021-11-05 23:23:34,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4165 states. [2021-11-05 23:23:34,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4165 to 4165. [2021-11-05 23:23:34,771 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) [2021-11-05 23:23:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 4165 states and 5440 transitions. [2021-11-05 23:23:34,777 INFO L78 Accepts]: Start accepts. Automaton has 4165 states and 5440 transitions. Word has length 45 [2021-11-05 23:23:34,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:34,777 INFO L470 AbstractCegarLoop]: Abstraction has 4165 states and 5440 transitions. [2021-11-05 23:23:34,777 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) [2021-11-05 23:23:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4165 states and 5440 transitions. [2021-11-05 23:23:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-05 23:23:34,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:34,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:34,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-05 23:23:34,779 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)] === [2021-11-05 23:23:34,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash 248211920, now seen corresponding path program 1 times [2021-11-05 23:23:34,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:34,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905254530] [2021-11-05 23:23:34,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:34,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:35,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:35,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905254530] [2021-11-05 23:23:35,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905254530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:35,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:35,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:35,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320178242] [2021-11-05 23:23:35,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:35,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:35,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:35,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:35,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:35,170 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) [2021-11-05 23:23:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:36,380 INFO L93 Difference]: Finished difference Result 7642 states and 10061 transitions. [2021-11-05 23:23:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:23:36,381 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 [2021-11-05 23:23:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:36,399 INFO L225 Difference]: With dead ends: 7642 [2021-11-05 23:23:36,399 INFO L226 Difference]: Without dead ends: 7604 [2021-11-05 23:23:36,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:36,403 INFO L933 BasicCegarLoop]: 8855 mSDtfsCounter, 10772 mSDsluCounter, 5445 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 770.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10772 SdHoareTripleChecker+Valid, 14300 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.01ms SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 886.21ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:36,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10772 Valid, 14300 Invalid, 370 Unknown, 0 Unchecked, 23.01ms Time], IncrementalHoareTripleChecker [109 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 886.21ms Time] [2021-11-05 23:23:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2021-11-05 23:23:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 4957. [2021-11-05 23:23:36,681 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) [2021-11-05 23:23:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 4957 states and 6530 transitions. [2021-11-05 23:23:36,688 INFO L78 Accepts]: Start accepts. Automaton has 4957 states and 6530 transitions. Word has length 45 [2021-11-05 23:23:36,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:36,688 INFO L470 AbstractCegarLoop]: Abstraction has 4957 states and 6530 transitions. [2021-11-05 23:23:36,688 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) [2021-11-05 23:23:36,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4957 states and 6530 transitions. [2021-11-05 23:23:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 23:23:36,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:36,689 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:36,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 23:23:36,690 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)] === [2021-11-05 23:23:36,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1061372683, now seen corresponding path program 1 times [2021-11-05 23:23:36,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:36,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054370187] [2021-11-05 23:23:36,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:36,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:36,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:36,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054370187] [2021-11-05 23:23:36,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054370187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:36,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:36,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:36,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028446565] [2021-11-05 23:23:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:36,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:36,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:36,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:36,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:36,920 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) [2021-11-05 23:23:37,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:37,129 INFO L93 Difference]: Finished difference Result 4957 states and 6530 transitions. [2021-11-05 23:23:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:37,129 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 [2021-11-05 23:23:37,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:37,140 INFO L225 Difference]: With dead ends: 4957 [2021-11-05 23:23:37,140 INFO L226 Difference]: Without dead ends: 4953 [2021-11-05 23:23:37,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.95ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:37,144 INFO L933 BasicCegarLoop]: 5418 mSDtfsCounter, 5466 mSDsluCounter, 5332 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.37ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.61ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:37,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 10750 Invalid, 6 Unknown, 0 Unchecked, 15.37ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 15.61ms Time] [2021-11-05 23:23:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4953 states. [2021-11-05 23:23:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4953 to 4953. [2021-11-05 23:23:37,329 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) [2021-11-05 23:23:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6526 transitions. [2021-11-05 23:23:37,338 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6526 transitions. Word has length 47 [2021-11-05 23:23:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:37,338 INFO L470 AbstractCegarLoop]: Abstraction has 4953 states and 6526 transitions. [2021-11-05 23:23:37,338 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) [2021-11-05 23:23:37,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6526 transitions. [2021-11-05 23:23:37,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-05 23:23:37,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:37,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:37,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 23:23:37,340 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)] === [2021-11-05 23:23:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:37,340 INFO L85 PathProgramCache]: Analyzing trace with hash 2072385455, now seen corresponding path program 1 times [2021-11-05 23:23:37,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:37,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340713637] [2021-11-05 23:23:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:37,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:37,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340713637] [2021-11-05 23:23:37,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340713637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:37,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:37,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:37,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168049483] [2021-11-05 23:23:37,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:37,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:37,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:37,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:37,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:37,560 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) [2021-11-05 23:23:37,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:37,759 INFO L93 Difference]: Finished difference Result 4953 states and 6526 transitions. [2021-11-05 23:23:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:37,760 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 [2021-11-05 23:23:37,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:37,770 INFO L225 Difference]: With dead ends: 4953 [2021-11-05 23:23:37,770 INFO L226 Difference]: Without dead ends: 4949 [2021-11-05 23:23:37,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.99ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:37,772 INFO L933 BasicCegarLoop]: 5414 mSDtfsCounter, 5452 mSDsluCounter, 5336 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5452 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.32ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.40ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:37,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5452 Valid, 10750 Invalid, 6 Unknown, 0 Unchecked, 11.32ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.40ms Time] [2021-11-05 23:23:37,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2021-11-05 23:23:37,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 4949. [2021-11-05 23:23:37,971 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) [2021-11-05 23:23:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 4949 states and 6522 transitions. [2021-11-05 23:23:37,979 INFO L78 Accepts]: Start accepts. Automaton has 4949 states and 6522 transitions. Word has length 49 [2021-11-05 23:23:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:37,979 INFO L470 AbstractCegarLoop]: Abstraction has 4949 states and 6522 transitions. [2021-11-05 23:23:37,980 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) [2021-11-05 23:23:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 4949 states and 6522 transitions. [2021-11-05 23:23:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 23:23:37,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:37,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:37,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 23:23:37,981 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)] === [2021-11-05 23:23:37,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:37,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1301916493, now seen corresponding path program 1 times [2021-11-05 23:23:37,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:37,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928070384] [2021-11-05 23:23:37,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:37,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:38,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:38,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928070384] [2021-11-05 23:23:38,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928070384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:38,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:38,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:38,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327990540] [2021-11-05 23:23:38,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:38,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:38,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:38,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:38,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:38,256 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) [2021-11-05 23:23:38,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:38,462 INFO L93 Difference]: Finished difference Result 4949 states and 6522 transitions. [2021-11-05 23:23:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:38,463 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 [2021-11-05 23:23:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:38,473 INFO L225 Difference]: With dead ends: 4949 [2021-11-05 23:23:38,473 INFO L226 Difference]: Without dead ends: 4945 [2021-11-05 23:23:38,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:38,476 INFO L933 BasicCegarLoop]: 5410 mSDtfsCounter, 5438 mSDsluCounter, 5340 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5438 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.50ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:38,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5438 Valid, 10750 Invalid, 6 Unknown, 0 Unchecked, 11.53ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.50ms Time] [2021-11-05 23:23:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2021-11-05 23:23:38,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4945. [2021-11-05 23:23:38,685 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) [2021-11-05 23:23:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4945 states and 6518 transitions. [2021-11-05 23:23:38,692 INFO L78 Accepts]: Start accepts. Automaton has 4945 states and 6518 transitions. Word has length 51 [2021-11-05 23:23:38,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:38,693 INFO L470 AbstractCegarLoop]: Abstraction has 4945 states and 6518 transitions. [2021-11-05 23:23:38,693 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) [2021-11-05 23:23:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4945 states and 6518 transitions. [2021-11-05 23:23:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-05 23:23:38,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:38,694 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:38,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 23:23:38,694 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)] === [2021-11-05 23:23:38,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1305779689, now seen corresponding path program 1 times [2021-11-05 23:23:38,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:38,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615272484] [2021-11-05 23:23:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:38,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:38,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:38,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615272484] [2021-11-05 23:23:38,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615272484] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:38,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:38,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:38,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20609949] [2021-11-05 23:23:38,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:38,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:38,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:38,917 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) [2021-11-05 23:23:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:39,128 INFO L93 Difference]: Finished difference Result 4945 states and 6518 transitions. [2021-11-05 23:23:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:39,129 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 [2021-11-05 23:23:39,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:39,139 INFO L225 Difference]: With dead ends: 4945 [2021-11-05 23:23:39,139 INFO L226 Difference]: Without dead ends: 4941 [2021-11-05 23:23:39,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.14ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:39,142 INFO L933 BasicCegarLoop]: 5406 mSDtfsCounter, 5424 mSDsluCounter, 5344 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5424 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.72ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:39,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5424 Valid, 10750 Invalid, 6 Unknown, 0 Unchecked, 11.51ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 10.72ms Time] [2021-11-05 23:23:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4941 states. [2021-11-05 23:23:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4941 to 4941. [2021-11-05 23:23:39,356 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) [2021-11-05 23:23:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 4941 states and 6514 transitions. [2021-11-05 23:23:39,366 INFO L78 Accepts]: Start accepts. Automaton has 4941 states and 6514 transitions. Word has length 53 [2021-11-05 23:23:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:39,366 INFO L470 AbstractCegarLoop]: Abstraction has 4941 states and 6514 transitions. [2021-11-05 23:23:39,366 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) [2021-11-05 23:23:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4941 states and 6514 transitions. [2021-11-05 23:23:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 23:23:39,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:39,368 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:39,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-05 23:23:39,368 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)] === [2021-11-05 23:23:39,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:39,369 INFO L85 PathProgramCache]: Analyzing trace with hash -492192725, now seen corresponding path program 1 times [2021-11-05 23:23:39,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:39,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13121112] [2021-11-05 23:23:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:39,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:39,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:39,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13121112] [2021-11-05 23:23:39,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13121112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:39,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:39,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:23:39,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773876894] [2021-11-05 23:23:39,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:39,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:39,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:39,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:39,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:39,603 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) [2021-11-05 23:23:40,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:40,956 INFO L93 Difference]: Finished difference Result 10639 states and 13999 transitions. [2021-11-05 23:23:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:40,957 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 [2021-11-05 23:23:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:40,974 INFO L225 Difference]: With dead ends: 10639 [2021-11-05 23:23:40,975 INFO L226 Difference]: Without dead ends: 8091 [2021-11-05 23:23:40,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.56ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:40,982 INFO L933 BasicCegarLoop]: 6390 mSDtfsCounter, 9449 mSDsluCounter, 6105 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 867.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9449 SdHoareTripleChecker+Valid, 12495 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.48ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 958.76ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:40,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9449 Valid, 12495 Invalid, 370 Unknown, 0 Unchecked, 18.48ms Time], IncrementalHoareTripleChecker [65 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 958.76ms Time] [2021-11-05 23:23:40,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2021-11-05 23:23:41,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 4958. [2021-11-05 23:23:41,230 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) [2021-11-05 23:23:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 6531 transitions. [2021-11-05 23:23:41,238 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 6531 transitions. Word has length 54 [2021-11-05 23:23:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:41,238 INFO L470 AbstractCegarLoop]: Abstraction has 4958 states and 6531 transitions. [2021-11-05 23:23:41,238 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) [2021-11-05 23:23:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 6531 transitions. [2021-11-05 23:23:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-05 23:23:41,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:41,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:41,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-05 23:23:41,240 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)] === [2021-11-05 23:23:41,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:41,240 INFO L85 PathProgramCache]: Analyzing trace with hash -723343397, now seen corresponding path program 1 times [2021-11-05 23:23:41,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:41,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480212386] [2021-11-05 23:23:41,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:41,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:41,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:41,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480212386] [2021-11-05 23:23:41,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480212386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:41,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:41,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:41,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23402210] [2021-11-05 23:23:41,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:41,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:41,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:41,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:41,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:41,444 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) [2021-11-05 23:23:41,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:41,671 INFO L93 Difference]: Finished difference Result 4958 states and 6531 transitions. [2021-11-05 23:23:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:41,671 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 [2021-11-05 23:23:41,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:41,681 INFO L225 Difference]: With dead ends: 4958 [2021-11-05 23:23:41,682 INFO L226 Difference]: Without dead ends: 4954 [2021-11-05 23:23:41,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:41,684 INFO L933 BasicCegarLoop]: 5402 mSDtfsCounter, 5410 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5410 SdHoareTripleChecker+Valid, 10750 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.50ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.88ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:41,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5410 Valid, 10750 Invalid, 6 Unknown, 0 Unchecked, 10.50ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.88ms Time] [2021-11-05 23:23:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4954 states. [2021-11-05 23:23:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4954 to 4954. [2021-11-05 23:23:41,969 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) [2021-11-05 23:23:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 4954 states and 6527 transitions. [2021-11-05 23:23:41,976 INFO L78 Accepts]: Start accepts. Automaton has 4954 states and 6527 transitions. Word has length 55 [2021-11-05 23:23:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:41,977 INFO L470 AbstractCegarLoop]: Abstraction has 4954 states and 6527 transitions. [2021-11-05 23:23:41,977 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) [2021-11-05 23:23:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand 4954 states and 6527 transitions. [2021-11-05 23:23:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:23:41,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:41,978 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:41,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-05 23:23:41,978 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)] === [2021-11-05 23:23:41,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:41,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1881778066, now seen corresponding path program 1 times [2021-11-05 23:23:41,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:41,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777017511] [2021-11-05 23:23:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:41,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:42,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:42,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777017511] [2021-11-05 23:23:42,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777017511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:42,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:42,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 23:23:42,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40268220] [2021-11-05 23:23:42,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:42,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:23:42,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:23:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:42,192 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) [2021-11-05 23:23:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:43,036 INFO L93 Difference]: Finished difference Result 9662 states and 12725 transitions. [2021-11-05 23:23:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:23:43,037 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 [2021-11-05 23:23:43,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:43,048 INFO L225 Difference]: With dead ends: 9662 [2021-11-05 23:23:43,048 INFO L226 Difference]: Without dead ends: 4759 [2021-11-05 23:23:43,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:43,057 INFO L933 BasicCegarLoop]: 4789 mSDtfsCounter, 4927 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 530.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4927 SdHoareTripleChecker+Valid, 4789 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.40ms SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 600.96ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:43,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4927 Valid, 4789 Invalid, 371 Unknown, 0 Unchecked, 7.40ms Time], IncrementalHoareTripleChecker [185 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 600.96ms Time] [2021-11-05 23:23:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4759 states. [2021-11-05 23:23:43,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4759 to 4759. [2021-11-05 23:23:43,261 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) [2021-11-05 23:23:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6049 transitions. [2021-11-05 23:23:43,268 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6049 transitions. Word has length 57 [2021-11-05 23:23:43,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:43,268 INFO L470 AbstractCegarLoop]: Abstraction has 4759 states and 6049 transitions. [2021-11-05 23:23:43,268 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) [2021-11-05 23:23:43,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6049 transitions. [2021-11-05 23:23:43,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:23:43,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:43,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:43,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-05 23:23:43,270 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)] === [2021-11-05 23:23:43,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:43,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1733130860, now seen corresponding path program 1 times [2021-11-05 23:23:43,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:43,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127006332] [2021-11-05 23:23:43,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:43,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:43,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:43,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127006332] [2021-11-05 23:23:43,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127006332] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:43,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:43,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:43,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324525453] [2021-11-05 23:23:43,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:43,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:23:43,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:43,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:23:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:43,474 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) [2021-11-05 23:23:43,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:43,727 INFO L93 Difference]: Finished difference Result 8566 states and 10962 transitions. [2021-11-05 23:23:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:23:43,728 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 [2021-11-05 23:23:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:43,741 INFO L225 Difference]: With dead ends: 8566 [2021-11-05 23:23:43,741 INFO L226 Difference]: Without dead ends: 4756 [2021-11-05 23:23:43,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:43,748 INFO L933 BasicCegarLoop]: 4970 mSDtfsCounter, 4959 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4959 SdHoareTripleChecker+Valid, 4970 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.25ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.42ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:43,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4959 Valid, 4970 Invalid, 4 Unknown, 0 Unchecked, 5.25ms Time], IncrementalHoareTripleChecker [3 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 67.42ms Time] [2021-11-05 23:23:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4756 states. [2021-11-05 23:23:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4756 to 4756. [2021-11-05 23:23:44,044 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) [2021-11-05 23:23:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6045 transitions. [2021-11-05 23:23:44,051 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6045 transitions. Word has length 57 [2021-11-05 23:23:44,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:44,051 INFO L470 AbstractCegarLoop]: Abstraction has 4756 states and 6045 transitions. [2021-11-05 23:23:44,052 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) [2021-11-05 23:23:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6045 transitions. [2021-11-05 23:23:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:23:44,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:44,053 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:44,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-05 23:23:44,053 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)] === [2021-11-05 23:23:44,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:44,054 INFO L85 PathProgramCache]: Analyzing trace with hash -275280550, now seen corresponding path program 1 times [2021-11-05 23:23:44,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:44,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907435826] [2021-11-05 23:23:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:44,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:44,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:44,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907435826] [2021-11-05 23:23:44,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907435826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:44,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:44,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:23:44,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011125319] [2021-11-05 23:23:44,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:44,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:23:44,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:44,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:23:44,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:44,384 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) [2021-11-05 23:23:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:44,997 INFO L93 Difference]: Finished difference Result 13166 states and 16816 transitions. [2021-11-05 23:23:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:23:44,997 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 [2021-11-05 23:23:44,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:45,018 INFO L225 Difference]: With dead ends: 13166 [2021-11-05 23:23:45,019 INFO L226 Difference]: Without dead ends: 8466 [2021-11-05 23:23:45,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.31ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:23:45,031 INFO L933 BasicCegarLoop]: 8693 mSDtfsCounter, 14702 mSDsluCounter, 7616 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14702 SdHoareTripleChecker+Valid, 16309 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.84ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.60ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:45,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14702 Valid, 16309 Invalid, 56 Unknown, 0 Unchecked, 21.84ms Time], IncrementalHoareTripleChecker [20 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 115.60ms Time] [2021-11-05 23:23:45,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8466 states. [2021-11-05 23:23:45,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8466 to 4756. [2021-11-05 23:23:45,289 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) [2021-11-05 23:23:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 4756 states and 6036 transitions. [2021-11-05 23:23:45,296 INFO L78 Accepts]: Start accepts. Automaton has 4756 states and 6036 transitions. Word has length 57 [2021-11-05 23:23:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:45,296 INFO L470 AbstractCegarLoop]: Abstraction has 4756 states and 6036 transitions. [2021-11-05 23:23:45,297 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) [2021-11-05 23:23:45,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 6036 transitions. [2021-11-05 23:23:45,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:23:45,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:45,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:45,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-05 23:23:45,298 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)] === [2021-11-05 23:23:45,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:45,299 INFO L85 PathProgramCache]: Analyzing trace with hash -275220968, now seen corresponding path program 1 times [2021-11-05 23:23:45,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:45,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851320724] [2021-11-05 23:23:45,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:45,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:45,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:45,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851320724] [2021-11-05 23:23:45,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851320724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:45,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:45,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:23:45,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579960125] [2021-11-05 23:23:45,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:45,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:45,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:45,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:45,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:45,486 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) [2021-11-05 23:23:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:46,019 INFO L93 Difference]: Finished difference Result 8484 states and 10842 transitions. [2021-11-05 23:23:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:23:46,019 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 [2021-11-05 23:23:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:46,033 INFO L225 Difference]: With dead ends: 8484 [2021-11-05 23:23:46,033 INFO L226 Difference]: Without dead ends: 8470 [2021-11-05 23:23:46,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:46,037 INFO L933 BasicCegarLoop]: 8698 mSDtfsCounter, 9751 mSDsluCounter, 7642 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9751 SdHoareTripleChecker+Valid, 16340 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.68ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.99ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:46,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9751 Valid, 16340 Invalid, 49 Unknown, 0 Unchecked, 13.68ms Time], IncrementalHoareTripleChecker [20 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 94.99ms Time] [2021-11-05 23:23:46,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8470 states. [2021-11-05 23:23:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8470 to 4742. [2021-11-05 23:23:46,349 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) [2021-11-05 23:23:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4742 states to 4742 states and 6020 transitions. [2021-11-05 23:23:46,356 INFO L78 Accepts]: Start accepts. Automaton has 4742 states and 6020 transitions. Word has length 57 [2021-11-05 23:23:46,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:46,357 INFO L470 AbstractCegarLoop]: Abstraction has 4742 states and 6020 transitions. [2021-11-05 23:23:46,357 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) [2021-11-05 23:23:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4742 states and 6020 transitions. [2021-11-05 23:23:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-05 23:23:46,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:46,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:46,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-05 23:23:46,358 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)] === [2021-11-05 23:23:46,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:46,359 INFO L85 PathProgramCache]: Analyzing trace with hash 652185087, now seen corresponding path program 1 times [2021-11-05 23:23:46,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:46,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146772660] [2021-11-05 23:23:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:46,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:46,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:46,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146772660] [2021-11-05 23:23:46,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146772660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:46,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:46,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:46,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685416649] [2021-11-05 23:23:46,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:46,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:46,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:46,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:46,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:46,586 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) [2021-11-05 23:23:46,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:46,888 INFO L93 Difference]: Finished difference Result 4742 states and 6020 transitions. [2021-11-05 23:23:46,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:46,889 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 [2021-11-05 23:23:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:46,898 INFO L225 Difference]: With dead ends: 4742 [2021-11-05 23:23:46,899 INFO L226 Difference]: Without dead ends: 4738 [2021-11-05 23:23:46,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:46,901 INFO L933 BasicCegarLoop]: 4942 mSDtfsCounter, 4940 mSDsluCounter, 4896 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4940 SdHoareTripleChecker+Valid, 9838 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.80ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.83ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:46,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4940 Valid, 9838 Invalid, 6 Unknown, 0 Unchecked, 9.80ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 13.83ms Time] [2021-11-05 23:23:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2021-11-05 23:23:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 4738. [2021-11-05 23:23:47,266 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) [2021-11-05 23:23:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 6016 transitions. [2021-11-05 23:23:47,272 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 6016 transitions. Word has length 57 [2021-11-05 23:23:47,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:47,272 INFO L470 AbstractCegarLoop]: Abstraction has 4738 states and 6016 transitions. [2021-11-05 23:23:47,272 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) [2021-11-05 23:23:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 6016 transitions. [2021-11-05 23:23:47,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 23:23:47,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:47,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:47,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-05 23:23:47,274 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)] === [2021-11-05 23:23:47,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:47,274 INFO L85 PathProgramCache]: Analyzing trace with hash -314868605, now seen corresponding path program 1 times [2021-11-05 23:23:47,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:47,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280310664] [2021-11-05 23:23:47,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:47,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:47,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:47,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280310664] [2021-11-05 23:23:47,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280310664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:47,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:47,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:47,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815709059] [2021-11-05 23:23:47,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:47,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:47,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:47,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:47,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:47,498 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) [2021-11-05 23:23:47,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:47,776 INFO L93 Difference]: Finished difference Result 4738 states and 6016 transitions. [2021-11-05 23:23:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:47,777 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 [2021-11-05 23:23:47,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:47,785 INFO L225 Difference]: With dead ends: 4738 [2021-11-05 23:23:47,785 INFO L226 Difference]: Without dead ends: 4734 [2021-11-05 23:23:47,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:47,788 INFO L933 BasicCegarLoop]: 4938 mSDtfsCounter, 4926 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4926 SdHoareTripleChecker+Valid, 9838 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.20ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.74ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:47,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4926 Valid, 9838 Invalid, 6 Unknown, 0 Unchecked, 9.20ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 10.74ms Time] [2021-11-05 23:23:47,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4734 states. [2021-11-05 23:23:48,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4734 to 4734. [2021-11-05 23:23:48,085 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) [2021-11-05 23:23:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4734 states to 4734 states and 6012 transitions. [2021-11-05 23:23:48,092 INFO L78 Accepts]: Start accepts. Automaton has 4734 states and 6012 transitions. Word has length 59 [2021-11-05 23:23:48,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:48,092 INFO L470 AbstractCegarLoop]: Abstraction has 4734 states and 6012 transitions. [2021-11-05 23:23:48,092 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) [2021-11-05 23:23:48,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4734 states and 6012 transitions. [2021-11-05 23:23:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-05 23:23:48,093 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:48,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:48,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-05 23:23:48,094 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)] === [2021-11-05 23:23:48,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash -991052179, now seen corresponding path program 1 times [2021-11-05 23:23:48,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:48,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570002041] [2021-11-05 23:23:48,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:48,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:48,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:48,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570002041] [2021-11-05 23:23:48,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570002041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:48,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:48,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:23:48,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765227523] [2021-11-05 23:23:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:48,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:23:48,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:48,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:23:48,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:48,287 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) [2021-11-05 23:23:49,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:49,530 INFO L93 Difference]: Finished difference Result 8723 states and 11009 transitions. [2021-11-05 23:23:49,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:23:49,531 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 [2021-11-05 23:23:49,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:49,542 INFO L225 Difference]: With dead ends: 8723 [2021-11-05 23:23:49,542 INFO L226 Difference]: Without dead ends: 6309 [2021-11-05 23:23:49,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 56.72ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:23:49,548 INFO L933 BasicCegarLoop]: 6021 mSDtfsCounter, 8814 mSDsluCounter, 14563 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 690.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8814 SdHoareTripleChecker+Valid, 20584 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.26ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 754.60ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:49,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8814 Valid, 20584 Invalid, 356 Unknown, 0 Unchecked, 17.26ms Time], IncrementalHoareTripleChecker [68 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 754.60ms Time] [2021-11-05 23:23:49,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6309 states. [2021-11-05 23:23:49,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6309 to 3978. [2021-11-05 23:23:49,818 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) [2021-11-05 23:23:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3978 states to 3978 states and 4989 transitions. [2021-11-05 23:23:49,823 INFO L78 Accepts]: Start accepts. Automaton has 3978 states and 4989 transitions. Word has length 59 [2021-11-05 23:23:49,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:49,824 INFO L470 AbstractCegarLoop]: Abstraction has 3978 states and 4989 transitions. [2021-11-05 23:23:49,824 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) [2021-11-05 23:23:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3978 states and 4989 transitions. [2021-11-05 23:23:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 23:23:49,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:49,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:49,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-05 23:23:49,826 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)] === [2021-11-05 23:23:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:49,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1571863201, now seen corresponding path program 1 times [2021-11-05 23:23:49,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:49,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828638964] [2021-11-05 23:23:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:49,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:50,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:50,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828638964] [2021-11-05 23:23:50,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828638964] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:50,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:50,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:23:50,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383632101] [2021-11-05 23:23:50,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:50,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:23:50,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:50,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:23:50,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:50,018 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) [2021-11-05 23:23:50,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:50,383 INFO L93 Difference]: Finished difference Result 7054 states and 8898 transitions. [2021-11-05 23:23:50,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:50,384 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 [2021-11-05 23:23:50,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:50,391 INFO L225 Difference]: With dead ends: 7054 [2021-11-05 23:23:50,392 INFO L226 Difference]: Without dead ends: 4022 [2021-11-05 23:23:50,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.86ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-05 23:23:50,398 INFO L933 BasicCegarLoop]: 4962 mSDtfsCounter, 14715 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14715 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.09ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.04ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:50,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14715 Valid, 5056 Invalid, 19 Unknown, 0 Unchecked, 10.09ms Time], IncrementalHoareTripleChecker [13 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 79.04ms Time] [2021-11-05 23:23:50,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2021-11-05 23:23:50,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 3975. [2021-11-05 23:23:50,644 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) [2021-11-05 23:23:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3975 states and 4985 transitions. [2021-11-05 23:23:50,649 INFO L78 Accepts]: Start accepts. Automaton has 3975 states and 4985 transitions. Word has length 60 [2021-11-05 23:23:50,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:50,649 INFO L470 AbstractCegarLoop]: Abstraction has 3975 states and 4985 transitions. [2021-11-05 23:23:50,649 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) [2021-11-05 23:23:50,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3975 states and 4985 transitions. [2021-11-05 23:23:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-05 23:23:50,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:50,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:50,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-05 23:23:50,651 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)] === [2021-11-05 23:23:50,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:50,651 INFO L85 PathProgramCache]: Analyzing trace with hash -11193271, now seen corresponding path program 1 times [2021-11-05 23:23:50,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:50,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927355839] [2021-11-05 23:23:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:50,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:50,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:50,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927355839] [2021-11-05 23:23:50,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927355839] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:50,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:50,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 23:23:50,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152681680] [2021-11-05 23:23:50,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:50,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:23:50,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:50,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:23:50,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:50,910 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) [2021-11-05 23:23:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:51,213 INFO L93 Difference]: Finished difference Result 7869 states and 9883 transitions. [2021-11-05 23:23:51,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:23:51,214 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 [2021-11-05 23:23:51,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:51,220 INFO L225 Difference]: With dead ends: 7869 [2021-11-05 23:23:51,220 INFO L226 Difference]: Without dead ends: 3954 [2021-11-05 23:23:51,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:23:51,227 INFO L933 BasicCegarLoop]: 4879 mSDtfsCounter, 4829 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4829 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.67ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.61ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:51,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4829 Valid, 4879 Invalid, 13 Unknown, 0 Unchecked, 5.67ms Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 27.61ms Time] [2021-11-05 23:23:51,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3954 states. [2021-11-05 23:23:51,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3954 to 3954. [2021-11-05 23:23:51,503 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) [2021-11-05 23:23:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3954 states to 3954 states and 4957 transitions. [2021-11-05 23:23:51,508 INFO L78 Accepts]: Start accepts. Automaton has 3954 states and 4957 transitions. Word has length 60 [2021-11-05 23:23:51,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:51,508 INFO L470 AbstractCegarLoop]: Abstraction has 3954 states and 4957 transitions. [2021-11-05 23:23:51,508 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) [2021-11-05 23:23:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4957 transitions. [2021-11-05 23:23:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 23:23:51,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:51,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:51,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-05 23:23:51,510 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)] === [2021-11-05 23:23:51,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:51,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1940530329, now seen corresponding path program 1 times [2021-11-05 23:23:51,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:51,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949607297] [2021-11-05 23:23:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:51,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:51,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:51,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949607297] [2021-11-05 23:23:51,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949607297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:51,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:51,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:51,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453030391] [2021-11-05 23:23:51,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:51,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:51,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:51,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:51,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:51,722 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) [2021-11-05 23:23:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:51,973 INFO L93 Difference]: Finished difference Result 3954 states and 4957 transitions. [2021-11-05 23:23:51,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:23:51,974 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 [2021-11-05 23:23:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:51,978 INFO L225 Difference]: With dead ends: 3954 [2021-11-05 23:23:51,978 INFO L226 Difference]: Without dead ends: 3950 [2021-11-05 23:23:51,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.45ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:51,980 INFO L933 BasicCegarLoop]: 4878 mSDtfsCounter, 4856 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4856 SdHoareTripleChecker+Valid, 9726 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.32ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.39ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:51,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4856 Valid, 9726 Invalid, 6 Unknown, 0 Unchecked, 8.32ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 12.39ms Time] [2021-11-05 23:23:51,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3950 states. [2021-11-05 23:23:52,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3950 to 3950. [2021-11-05 23:23:52,308 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) [2021-11-05 23:23:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3950 states and 4953 transitions. [2021-11-05 23:23:52,311 INFO L78 Accepts]: Start accepts. Automaton has 3950 states and 4953 transitions. Word has length 61 [2021-11-05 23:23:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:52,311 INFO L470 AbstractCegarLoop]: Abstraction has 3950 states and 4953 transitions. [2021-11-05 23:23:52,311 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) [2021-11-05 23:23:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 3950 states and 4953 transitions. [2021-11-05 23:23:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-05 23:23:52,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:52,312 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:52,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-05 23:23:52,313 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)] === [2021-11-05 23:23:52,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1138096992, now seen corresponding path program 1 times [2021-11-05 23:23:52,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:52,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310420015] [2021-11-05 23:23:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:52,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:52,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:52,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310420015] [2021-11-05 23:23:52,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310420015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:52,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:52,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:23:52,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118897176] [2021-11-05 23:23:52,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:52,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:52,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:52,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:52,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:52,633 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) [2021-11-05 23:23:54,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:23:54,897 INFO L93 Difference]: Finished difference Result 8188 states and 10346 transitions. [2021-11-05 23:23:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:23:54,897 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 [2021-11-05 23:23:54,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:23:54,908 INFO L225 Difference]: With dead ends: 8188 [2021-11-05 23:23:54,908 INFO L226 Difference]: Without dead ends: 8118 [2021-11-05 23:23:54,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.83ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:23:54,910 INFO L933 BasicCegarLoop]: 8310 mSDtfsCounter, 10689 mSDsluCounter, 5024 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 334 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1493.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10689 SdHoareTripleChecker+Valid, 13334 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.09ms SdHoareTripleChecker+Time, 334 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1690.48ms IncrementalHoareTripleChecker+Time [2021-11-05 23:23:54,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10689 Valid, 13334 Invalid, 914 Unknown, 0 Unchecked, 19.09ms Time], IncrementalHoareTripleChecker [334 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1690.48ms Time] [2021-11-05 23:23:54,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8118 states. [2021-11-05 23:23:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8118 to 6264. [2021-11-05 23:23:55,428 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) [2021-11-05 23:23:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 8094 transitions. [2021-11-05 23:23:55,436 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 8094 transitions. Word has length 61 [2021-11-05 23:23:55,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:23:55,436 INFO L470 AbstractCegarLoop]: Abstraction has 6264 states and 8094 transitions. [2021-11-05 23:23:55,436 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) [2021-11-05 23:23:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 8094 transitions. [2021-11-05 23:23:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-05 23:23:55,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:23:55,438 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:23:55,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-05 23:23:55,439 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)] === [2021-11-05 23:23:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:23:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1241912897, now seen corresponding path program 1 times [2021-11-05 23:23:55,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:23:55,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032706427] [2021-11-05 23:23:55,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:23:55,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:23:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:23:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:23:55,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:23:55,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032706427] [2021-11-05 23:23:55,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032706427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:23:55,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:23:55,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:23:55,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687071461] [2021-11-05 23:23:55,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:23:55,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:23:55,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:23:55,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:23:55,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:23:55,830 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) [2021-11-05 23:23:57,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:24:00,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:00,659 INFO L93 Difference]: Finished difference Result 13218 states and 17409 transitions. [2021-11-05 23:24:00,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:00,660 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 [2021-11-05 23:24:00,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:00,677 INFO L225 Difference]: With dead ends: 13218 [2021-11-05 23:24:00,677 INFO L226 Difference]: Without dead ends: 13178 [2021-11-05 23:24:00,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:00,679 INFO L933 BasicCegarLoop]: 7709 mSDtfsCounter, 6403 mSDsluCounter, 10870 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 56 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3549.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6403 SdHoareTripleChecker+Valid, 18579 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.67ms SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3852.22ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:00,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6403 Valid, 18579 Invalid, 906 Unknown, 0 Unchecked, 18.67ms Time], IncrementalHoareTripleChecker [56 Valid, 849 Invalid, 1 Unknown, 0 Unchecked, 3852.22ms Time] [2021-11-05 23:24:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13178 states. [2021-11-05 23:24:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13178 to 8058. [2021-11-05 23:24:01,156 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) [2021-11-05 23:24:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8058 states to 8058 states and 10625 transitions. [2021-11-05 23:24:01,165 INFO L78 Accepts]: Start accepts. Automaton has 8058 states and 10625 transitions. Word has length 62 [2021-11-05 23:24:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:01,165 INFO L470 AbstractCegarLoop]: Abstraction has 8058 states and 10625 transitions. [2021-11-05 23:24:01,166 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) [2021-11-05 23:24:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 8058 states and 10625 transitions. [2021-11-05 23:24:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-05 23:24:01,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:01,167 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:01,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-05 23:24:01,167 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)] === [2021-11-05 23:24:01,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:01,168 INFO L85 PathProgramCache]: Analyzing trace with hash 432566271, now seen corresponding path program 1 times [2021-11-05 23:24:01,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:01,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046946042] [2021-11-05 23:24:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:01,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:01,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:01,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046946042] [2021-11-05 23:24:01,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046946042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:01,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:01,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:24:01,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33211411] [2021-11-05 23:24:01,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:01,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:24:01,396 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:01,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:24:01,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:01,397 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) [2021-11-05 23:24:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:02,718 INFO L93 Difference]: Finished difference Result 12684 states and 16529 transitions. [2021-11-05 23:24:02,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:02,718 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 [2021-11-05 23:24:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:02,726 INFO L225 Difference]: With dead ends: 12684 [2021-11-05 23:24:02,726 INFO L226 Difference]: Without dead ends: 7674 [2021-11-05 23:24:02,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.18ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:24:02,733 INFO L933 BasicCegarLoop]: 5819 mSDtfsCounter, 3162 mSDsluCounter, 14297 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 587.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3162 SdHoareTripleChecker+Valid, 20116 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.60ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 644.82ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:02,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3162 Valid, 20116 Invalid, 338 Unknown, 0 Unchecked, 13.60ms Time], IncrementalHoareTripleChecker [68 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 644.82ms Time] [2021-11-05 23:24:02,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7674 states. [2021-11-05 23:24:03,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7674 to 6224. [2021-11-05 23:24:03,099 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) [2021-11-05 23:24:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 7999 transitions. [2021-11-05 23:24:03,105 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 7999 transitions. Word has length 62 [2021-11-05 23:24:03,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:03,106 INFO L470 AbstractCegarLoop]: Abstraction has 6224 states and 7999 transitions. [2021-11-05 23:24:03,106 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) [2021-11-05 23:24:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 7999 transitions. [2021-11-05 23:24:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-05 23:24:03,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:03,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:03,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-05 23:24:03,107 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)] === [2021-11-05 23:24:03,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -833350997, now seen corresponding path program 1 times [2021-11-05 23:24:03,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:03,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123843701] [2021-11-05 23:24:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:03,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:03,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:03,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123843701] [2021-11-05 23:24:03,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123843701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:03,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:03,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:03,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478696901] [2021-11-05 23:24:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:03,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:03,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:03,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:03,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:03,336 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) [2021-11-05 23:24:03,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:03,885 INFO L93 Difference]: Finished difference Result 6224 states and 7999 transitions. [2021-11-05 23:24:03,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:24:03,886 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 [2021-11-05 23:24:03,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:03,895 INFO L225 Difference]: With dead ends: 6224 [2021-11-05 23:24:03,895 INFO L226 Difference]: Without dead ends: 6220 [2021-11-05 23:24:03,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.72ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:03,898 INFO L933 BasicCegarLoop]: 4828 mSDtfsCounter, 4796 mSDsluCounter, 4806 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4796 SdHoareTripleChecker+Valid, 9634 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.52ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.13ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:03,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4796 Valid, 9634 Invalid, 6 Unknown, 0 Unchecked, 10.52ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.13ms Time] [2021-11-05 23:24:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6220 states. [2021-11-05 23:24:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6220 to 6220. [2021-11-05 23:24:04,478 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) [2021-11-05 23:24:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 7995 transitions. [2021-11-05 23:24:04,483 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 7995 transitions. Word has length 63 [2021-11-05 23:24:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:04,483 INFO L470 AbstractCegarLoop]: Abstraction has 6220 states and 7995 transitions. [2021-11-05 23:24:04,483 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) [2021-11-05 23:24:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 7995 transitions. [2021-11-05 23:24:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 23:24:04,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:04,484 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:04,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-05 23:24:04,485 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)] === [2021-11-05 23:24:04,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:04,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1985902001, now seen corresponding path program 1 times [2021-11-05 23:24:04,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:04,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000716167] [2021-11-05 23:24:04,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:04,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:04,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:04,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000716167] [2021-11-05 23:24:04,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000716167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:04,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:04,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:04,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144249292] [2021-11-05 23:24:04,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:04,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:04,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:04,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:04,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:04,693 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) [2021-11-05 23:24:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:05,254 INFO L93 Difference]: Finished difference Result 6220 states and 7995 transitions. [2021-11-05 23:24:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:24:05,254 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 [2021-11-05 23:24:05,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:05,264 INFO L225 Difference]: With dead ends: 6220 [2021-11-05 23:24:05,265 INFO L226 Difference]: Without dead ends: 6216 [2021-11-05 23:24:05,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.00ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:05,268 INFO L933 BasicCegarLoop]: 4824 mSDtfsCounter, 4782 mSDsluCounter, 4810 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 9634 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.36ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.61ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:05,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4782 Valid, 9634 Invalid, 6 Unknown, 0 Unchecked, 10.36ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 11.61ms Time] [2021-11-05 23:24:05,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6216 states. [2021-11-05 23:24:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6216 to 6216. [2021-11-05 23:24:05,822 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) [2021-11-05 23:24:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 7991 transitions. [2021-11-05 23:24:05,829 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 7991 transitions. Word has length 65 [2021-11-05 23:24:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:05,829 INFO L470 AbstractCegarLoop]: Abstraction has 6216 states and 7991 transitions. [2021-11-05 23:24:05,830 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) [2021-11-05 23:24:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 7991 transitions. [2021-11-05 23:24:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-05 23:24:05,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:05,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:05,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-05 23:24:05,832 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)] === [2021-11-05 23:24:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:05,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1485854125, now seen corresponding path program 1 times [2021-11-05 23:24:05,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:05,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844329091] [2021-11-05 23:24:05,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:05,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:06,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:06,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844329091] [2021-11-05 23:24:06,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844329091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:06,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:06,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:06,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649689910] [2021-11-05 23:24:06,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:06,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:06,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:06,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:06,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:06,060 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) [2021-11-05 23:24:06,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:06,691 INFO L93 Difference]: Finished difference Result 6216 states and 7991 transitions. [2021-11-05 23:24:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:24:06,692 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 [2021-11-05 23:24:06,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:06,699 INFO L225 Difference]: With dead ends: 6216 [2021-11-05 23:24:06,699 INFO L226 Difference]: Without dead ends: 6212 [2021-11-05 23:24:06,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.17ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:06,701 INFO L933 BasicCegarLoop]: 4820 mSDtfsCounter, 4768 mSDsluCounter, 4814 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4768 SdHoareTripleChecker+Valid, 9634 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.34ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.22ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:06,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4768 Valid, 9634 Invalid, 6 Unknown, 0 Unchecked, 11.34ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 14.22ms Time] [2021-11-05 23:24:06,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2021-11-05 23:24:07,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 6212. [2021-11-05 23:24:07,099 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) [2021-11-05 23:24:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6212 states to 6212 states and 7987 transitions. [2021-11-05 23:24:07,105 INFO L78 Accepts]: Start accepts. Automaton has 6212 states and 7987 transitions. Word has length 67 [2021-11-05 23:24:07,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:07,105 INFO L470 AbstractCegarLoop]: Abstraction has 6212 states and 7987 transitions. [2021-11-05 23:24:07,105 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) [2021-11-05 23:24:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 6212 states and 7987 transitions. [2021-11-05 23:24:07,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-05 23:24:07,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:07,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:07,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-05 23:24:07,107 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)] === [2021-11-05 23:24:07,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:07,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1976182089, now seen corresponding path program 1 times [2021-11-05 23:24:07,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:07,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519151781] [2021-11-05 23:24:07,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:07,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:07,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:07,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519151781] [2021-11-05 23:24:07,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519151781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:07,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:07,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:07,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032968404] [2021-11-05 23:24:07,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:07,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:07,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:07,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:07,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:07,307 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) [2021-11-05 23:24:08,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:08,224 INFO L93 Difference]: Finished difference Result 12315 states and 15855 transitions. [2021-11-05 23:24:08,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:24:08,224 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 [2021-11-05 23:24:08,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:08,236 INFO L225 Difference]: With dead ends: 12315 [2021-11-05 23:24:08,236 INFO L226 Difference]: Without dead ends: 12223 [2021-11-05 23:24:08,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.73ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:08,239 INFO L933 BasicCegarLoop]: 4813 mSDtfsCounter, 4749 mSDsluCounter, 9505 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4749 SdHoareTripleChecker+Valid, 14318 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.83ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:08,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4749 Valid, 14318 Invalid, 37 Unknown, 0 Unchecked, 12.74ms Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 61.83ms Time] [2021-11-05 23:24:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12223 states. [2021-11-05 23:24:09,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12223 to 11815. [2021-11-05 23:24:09,016 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) [2021-11-05 23:24:09,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11815 states to 11815 states and 15541 transitions. [2021-11-05 23:24:09,031 INFO L78 Accepts]: Start accepts. Automaton has 11815 states and 15541 transitions. Word has length 69 [2021-11-05 23:24:09,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:09,031 INFO L470 AbstractCegarLoop]: Abstraction has 11815 states and 15541 transitions. [2021-11-05 23:24:09,031 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) [2021-11-05 23:24:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 11815 states and 15541 transitions. [2021-11-05 23:24:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-05 23:24:09,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:09,033 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:09,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-05 23:24:09,033 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)] === [2021-11-05 23:24:09,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:09,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1310490973, now seen corresponding path program 1 times [2021-11-05 23:24:09,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:09,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996644536] [2021-11-05 23:24:09,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:09,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:09,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:09,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996644536] [2021-11-05 23:24:09,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996644536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:09,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:09,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:24:09,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675686263] [2021-11-05 23:24:09,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:09,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:09,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:09,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:09,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:09,388 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) [2021-11-05 23:24:11,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:24:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:16,640 INFO L93 Difference]: Finished difference Result 20465 states and 26818 transitions. [2021-11-05 23:24:16,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:16,640 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 [2021-11-05 23:24:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:16,662 INFO L225 Difference]: With dead ends: 20465 [2021-11-05 23:24:16,662 INFO L226 Difference]: Without dead ends: 20143 [2021-11-05 23:24:16,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 42.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:16,666 INFO L933 BasicCegarLoop]: 9988 mSDtfsCounter, 7162 mSDsluCounter, 12669 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 382 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5187.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7162 SdHoareTripleChecker+Valid, 22657 SdHoareTripleChecker+Invalid, 2178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.38ms SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5727.80ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:16,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7162 Valid, 22657 Invalid, 2178 Unknown, 0 Unchecked, 25.38ms Time], IncrementalHoareTripleChecker [382 Valid, 1795 Invalid, 1 Unknown, 0 Unchecked, 5727.80ms Time] [2021-11-05 23:24:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20143 states. [2021-11-05 23:24:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20143 to 12543. [2021-11-05 23:24:17,546 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) [2021-11-05 23:24:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12543 states to 12543 states and 16353 transitions. [2021-11-05 23:24:17,559 INFO L78 Accepts]: Start accepts. Automaton has 12543 states and 16353 transitions. Word has length 72 [2021-11-05 23:24:17,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:17,559 INFO L470 AbstractCegarLoop]: Abstraction has 12543 states and 16353 transitions. [2021-11-05 23:24:17,559 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) [2021-11-05 23:24:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 12543 states and 16353 transitions. [2021-11-05 23:24:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-05 23:24:17,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:17,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:17,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-05 23:24:17,561 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)] === [2021-11-05 23:24:17,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1703517983, now seen corresponding path program 1 times [2021-11-05 23:24:17,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:17,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803732739] [2021-11-05 23:24:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:17,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:17,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:17,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:17,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803732739] [2021-11-05 23:24:17,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803732739] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:17,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:17,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:24:17,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184244684] [2021-11-05 23:24:17,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:17,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:24:17,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:17,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:24:17,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:17,795 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) [2021-11-05 23:24:22,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:22,071 INFO L93 Difference]: Finished difference Result 31885 states and 41848 transitions. [2021-11-05 23:24:22,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:22,072 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 [2021-11-05 23:24:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:22,095 INFO L225 Difference]: With dead ends: 31885 [2021-11-05 23:24:22,096 INFO L226 Difference]: Without dead ends: 19649 [2021-11-05 23:24:22,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 66.65ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:24:22,112 INFO L933 BasicCegarLoop]: 7455 mSDtfsCounter, 9106 mSDsluCounter, 13313 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2323.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9106 SdHoareTripleChecker+Valid, 20768 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.19ms SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2496.30ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:22,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9106 Valid, 20768 Invalid, 728 Unknown, 0 Unchecked, 18.19ms Time], IncrementalHoareTripleChecker [136 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 2496.30ms Time] [2021-11-05 23:24:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19649 states. [2021-11-05 23:24:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19649 to 11405. [2021-11-05 23:24:23,006 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) [2021-11-05 23:24:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11405 states to 11405 states and 14725 transitions. [2021-11-05 23:24:23,018 INFO L78 Accepts]: Start accepts. Automaton has 11405 states and 14725 transitions. Word has length 72 [2021-11-05 23:24:23,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:23,019 INFO L470 AbstractCegarLoop]: Abstraction has 11405 states and 14725 transitions. [2021-11-05 23:24:23,019 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) [2021-11-05 23:24:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 11405 states and 14725 transitions. [2021-11-05 23:24:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-05 23:24:23,021 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:23,021 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:23,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-05 23:24:23,021 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)] === [2021-11-05 23:24:23,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1972859584, now seen corresponding path program 1 times [2021-11-05 23:24:23,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:23,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469677467] [2021-11-05 23:24:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:23,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:23,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:23,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469677467] [2021-11-05 23:24:23,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469677467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:23,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:23,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:24:23,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623181032] [2021-11-05 23:24:23,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:23,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:23,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:23,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:23,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:23,186 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) [2021-11-05 23:24:27,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:27,955 INFO L93 Difference]: Finished difference Result 31639 states and 41052 transitions. [2021-11-05 23:24:27,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:27,956 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 [2021-11-05 23:24:27,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:27,988 INFO L225 Difference]: With dead ends: 31639 [2021-11-05 23:24:27,988 INFO L226 Difference]: Without dead ends: 24697 [2021-11-05 23:24:28,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:28,002 INFO L933 BasicCegarLoop]: 7173 mSDtfsCounter, 4876 mSDsluCounter, 11263 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2322.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4876 SdHoareTripleChecker+Valid, 18436 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.75ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2588.73ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:28,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4876 Valid, 18436 Invalid, 534 Unknown, 0 Unchecked, 16.75ms Time], IncrementalHoareTripleChecker [68 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 2588.73ms Time] [2021-11-05 23:24:28,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2021-11-05 23:24:28,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 11549. [2021-11-05 23:24:28,957 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) [2021-11-05 23:24:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11549 states to 11549 states and 14869 transitions. [2021-11-05 23:24:28,969 INFO L78 Accepts]: Start accepts. Automaton has 11549 states and 14869 transitions. Word has length 73 [2021-11-05 23:24:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:28,969 INFO L470 AbstractCegarLoop]: Abstraction has 11549 states and 14869 transitions. [2021-11-05 23:24:28,969 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) [2021-11-05 23:24:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 11549 states and 14869 transitions. [2021-11-05 23:24:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-05 23:24:28,970 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:28,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:28,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-05 23:24:28,971 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)] === [2021-11-05 23:24:28,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:28,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1874724833, now seen corresponding path program 1 times [2021-11-05 23:24:28,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:28,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000859553] [2021-11-05 23:24:28,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:28,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:29,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:29,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000859553] [2021-11-05 23:24:29,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000859553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:29,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:29,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:29,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55843621] [2021-11-05 23:24:29,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:29,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:24:29,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:29,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:24:29,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:24:29,333 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) [2021-11-05 23:24:32,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:32,468 INFO L93 Difference]: Finished difference Result 20599 states and 26609 transitions. [2021-11-05 23:24:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:24:32,469 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 [2021-11-05 23:24:32,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:32,482 INFO L225 Difference]: With dead ends: 20599 [2021-11-05 23:24:32,482 INFO L226 Difference]: Without dead ends: 11625 [2021-11-05 23:24:32,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:24:32,494 INFO L933 BasicCegarLoop]: 4525 mSDtfsCounter, 0 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1833.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8959 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.60ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2000.22ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:32,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8959 Invalid, 146 Unknown, 0 Unchecked, 7.60ms Time], IncrementalHoareTripleChecker [36 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 2000.22ms Time] [2021-11-05 23:24:32,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11625 states. [2021-11-05 23:24:33,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11625 to 11625. [2021-11-05 23:24:33,470 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) [2021-11-05 23:24:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14945 transitions. [2021-11-05 23:24:33,482 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14945 transitions. Word has length 80 [2021-11-05 23:24:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:33,482 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14945 transitions. [2021-11-05 23:24:33,482 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) [2021-11-05 23:24:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14945 transitions. [2021-11-05 23:24:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 23:24:33,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:33,484 INFO L514 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] [2021-11-05 23:24:33,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-05 23:24:33,485 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)] === [2021-11-05 23:24:33,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:33,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1205756063, now seen corresponding path program 1 times [2021-11-05 23:24:33,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:33,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829120925] [2021-11-05 23:24:33,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:33,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:33,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:33,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829120925] [2021-11-05 23:24:33,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829120925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:33,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:33,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:24:33,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256330489] [2021-11-05 23:24:33,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:33,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:24:33,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:33,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:24:33,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:24:33,680 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) [2021-11-05 23:24:37,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:37,849 INFO L93 Difference]: Finished difference Result 30161 states and 39017 transitions. [2021-11-05 23:24:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:24:37,849 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 [2021-11-05 23:24:37,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:37,871 INFO L225 Difference]: With dead ends: 30161 [2021-11-05 23:24:37,871 INFO L226 Difference]: Without dead ends: 18863 [2021-11-05 23:24:37,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.34ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:24:37,885 INFO L933 BasicCegarLoop]: 6907 mSDtfsCounter, 11941 mSDsluCounter, 8703 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2188.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11941 SdHoareTripleChecker+Valid, 15610 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.57ms SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2372.00ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:37,885 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11941 Valid, 15610 Invalid, 693 Unknown, 0 Unchecked, 17.57ms Time], IncrementalHoareTripleChecker [136 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 2372.00ms Time] [2021-11-05 23:24:37,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18863 states. [2021-11-05 23:24:38,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18863 to 11625. [2021-11-05 23:24:38,990 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) [2021-11-05 23:24:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14875 transitions. [2021-11-05 23:24:39,001 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14875 transitions. Word has length 81 [2021-11-05 23:24:39,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:39,001 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14875 transitions. [2021-11-05 23:24:39,001 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) [2021-11-05 23:24:39,001 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14875 transitions. [2021-11-05 23:24:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-05 23:24:39,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:39,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:39,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-05 23:24:39,004 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)] === [2021-11-05 23:24:39,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:39,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2075922558, now seen corresponding path program 1 times [2021-11-05 23:24:39,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:39,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711566233] [2021-11-05 23:24:39,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:39,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:39,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:39,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711566233] [2021-11-05 23:24:39,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711566233] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 23:24:39,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116550] [2021-11-05 23:24:39,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:39,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:24:39,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:24:39,366 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) [2021-11-05 23:24:39,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 23:24:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:40,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 2973 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 23:24:40,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:24:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 23:24:40,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 23:24:40,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:40,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 23:24:40,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-05 23:24:40,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307985165] [2021-11-05 23:24:40,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:40,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:24:40,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:24:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:24:40,603 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) [2021-11-05 23:24:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:50,364 INFO L93 Difference]: Finished difference Result 39129 states and 50615 transitions. [2021-11-05 23:24:50,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 23:24:50,368 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 [2021-11-05 23:24:50,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:50,409 INFO L225 Difference]: With dead ends: 39129 [2021-11-05 23:24:50,409 INFO L226 Difference]: Without dead ends: 31971 [2021-11-05 23:24:50,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 155.27ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-05 23:24:50,423 INFO L933 BasicCegarLoop]: 10244 mSDtfsCounter, 8442 mSDsluCounter, 20595 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5863.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8442 SdHoareTripleChecker+Valid, 30839 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.13ms SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6313.23ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:50,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8442 Valid, 30839 Invalid, 1208 Unknown, 0 Unchecked, 31.13ms Time], IncrementalHoareTripleChecker [277 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 6313.23ms Time] [2021-11-05 23:24:50,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31971 states. [2021-11-05 23:24:51,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31971 to 11625. [2021-11-05 23:24:51,722 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) [2021-11-05 23:24:51,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11625 states to 11625 states and 14875 transitions. [2021-11-05 23:24:51,733 INFO L78 Accepts]: Start accepts. Automaton has 11625 states and 14875 transitions. Word has length 81 [2021-11-05 23:24:51,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:51,734 INFO L470 AbstractCegarLoop]: Abstraction has 11625 states and 14875 transitions. [2021-11-05 23:24:51,734 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) [2021-11-05 23:24:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 11625 states and 14875 transitions. [2021-11-05 23:24:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-05 23:24:51,736 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:51,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:24:51,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 23:24:51,951 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 [2021-11-05 23:24:51,951 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)] === [2021-11-05 23:24:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1256785411, now seen corresponding path program 1 times [2021-11-05 23:24:51,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:51,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617475004] [2021-11-05 23:24:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:51,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 23:24:52,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:52,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617475004] [2021-11-05 23:24:52,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617475004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:52,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:52,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:24:52,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778207859] [2021-11-05 23:24:52,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:52,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:24:52,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:52,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:24:52,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:24:52,138 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) [2021-11-05 23:24:55,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:24:55,411 INFO L93 Difference]: Finished difference Result 28135 states and 36386 transitions. [2021-11-05 23:24:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:24:55,417 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 [2021-11-05 23:24:55,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:24:55,439 INFO L225 Difference]: With dead ends: 28135 [2021-11-05 23:24:55,440 INFO L226 Difference]: Without dead ends: 17473 [2021-11-05 23:24:55,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:24:55,452 INFO L933 BasicCegarLoop]: 6524 mSDtfsCounter, 3445 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1408.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 9520 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.13ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1514.64ms IncrementalHoareTripleChecker+Time [2021-11-05 23:24:55,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3445 Valid, 9520 Invalid, 111 Unknown, 0 Unchecked, 8.13ms Time], IncrementalHoareTripleChecker [40 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 1514.64ms Time] [2021-11-05 23:24:55,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17473 states. [2021-11-05 23:24:56,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17473 to 11211. [2021-11-05 23:24:56,534 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) [2021-11-05 23:24:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11211 states to 11211 states and 14293 transitions. [2021-11-05 23:24:56,547 INFO L78 Accepts]: Start accepts. Automaton has 11211 states and 14293 transitions. Word has length 84 [2021-11-05 23:24:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:24:56,547 INFO L470 AbstractCegarLoop]: Abstraction has 11211 states and 14293 transitions. [2021-11-05 23:24:56,547 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) [2021-11-05 23:24:56,548 INFO L276 IsEmpty]: Start isEmpty. Operand 11211 states and 14293 transitions. [2021-11-05 23:24:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-05 23:24:56,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:24:56,554 INFO L514 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] [2021-11-05 23:24:56,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-05 23:24:56,554 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)] === [2021-11-05 23:24:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:24:56,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1889202770, now seen corresponding path program 1 times [2021-11-05 23:24:56,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:24:56,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298262008] [2021-11-05 23:24:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:24:56,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:24:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:24:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:24:56,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:24:56,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298262008] [2021-11-05 23:24:56,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298262008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:24:56,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:24:56,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 23:24:56,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633281950] [2021-11-05 23:24:56,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:24:56,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 23:24:56,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:24:56,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 23:24:56,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 23:24:56,747 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) [2021-11-05 23:25:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:00,797 INFO L93 Difference]: Finished difference Result 24907 states and 32071 transitions. [2021-11-05 23:25:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 23:25:00,797 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 [2021-11-05 23:25:00,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:00,814 INFO L225 Difference]: With dead ends: 24907 [2021-11-05 23:25:00,814 INFO L226 Difference]: Without dead ends: 17263 [2021-11-05 23:25:00,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.74ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:25:00,824 INFO L933 BasicCegarLoop]: 6764 mSDtfsCounter, 3022 mSDsluCounter, 10190 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1892.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 16954 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.75ms SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2072.89ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:00,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3022 Valid, 16954 Invalid, 490 Unknown, 0 Unchecked, 13.75ms Time], IncrementalHoareTripleChecker [68 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 2072.89ms Time] [2021-11-05 23:25:00,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17263 states. [2021-11-05 23:25:01,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17263 to 10598. [2021-11-05 23:25:01,855 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) [2021-11-05 23:25:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10598 states to 10598 states and 13497 transitions. [2021-11-05 23:25:01,866 INFO L78 Accepts]: Start accepts. Automaton has 10598 states and 13497 transitions. Word has length 89 [2021-11-05 23:25:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:01,867 INFO L470 AbstractCegarLoop]: Abstraction has 10598 states and 13497 transitions. [2021-11-05 23:25:01,867 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) [2021-11-05 23:25:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 10598 states and 13497 transitions. [2021-11-05 23:25:01,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-05 23:25:01,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:01,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:25:01,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-05 23:25:01,870 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)] === [2021-11-05 23:25:01,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1440529368, now seen corresponding path program 1 times [2021-11-05 23:25:01,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:01,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222820690] [2021-11-05 23:25:01,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:02,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:02,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222820690] [2021-11-05 23:25:02,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222820690] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:25:02,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:25:02,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:25:02,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418262022] [2021-11-05 23:25:02,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:25:02,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:25:02,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:25:02,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:25:02,023 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) [2021-11-05 23:25:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:03,340 INFO L93 Difference]: Finished difference Result 15558 states and 19813 transitions. [2021-11-05 23:25:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:25:03,340 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 [2021-11-05 23:25:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:03,353 INFO L225 Difference]: With dead ends: 15558 [2021-11-05 23:25:03,353 INFO L226 Difference]: Without dead ends: 10706 [2021-11-05 23:25:03,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:25:03,362 INFO L933 BasicCegarLoop]: 4415 mSDtfsCounter, 18 mSDsluCounter, 4397 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 171.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 8812 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.79ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 191.26ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:03,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 8812 Invalid, 79 Unknown, 0 Unchecked, 5.79ms Time], IncrementalHoareTripleChecker [16 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 191.26ms Time] [2021-11-05 23:25:03,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10706 states. [2021-11-05 23:25:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10706 to 10634. [2021-11-05 23:25:04,451 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) [2021-11-05 23:25:04,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10634 states to 10634 states and 13533 transitions. [2021-11-05 23:25:04,462 INFO L78 Accepts]: Start accepts. Automaton has 10634 states and 13533 transitions. Word has length 99 [2021-11-05 23:25:04,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:04,462 INFO L470 AbstractCegarLoop]: Abstraction has 10634 states and 13533 transitions. [2021-11-05 23:25:04,462 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) [2021-11-05 23:25:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10634 states and 13533 transitions. [2021-11-05 23:25:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-05 23:25:04,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:04,464 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:25:04,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-05 23:25:04,464 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)] === [2021-11-05 23:25:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1442190122, now seen corresponding path program 1 times [2021-11-05 23:25:04,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:04,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878270495] [2021-11-05 23:25:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:04,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:04,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:04,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878270495] [2021-11-05 23:25:04,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878270495] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 23:25:04,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791876076] [2021-11-05 23:25:04,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:04,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:25:04,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:25:04,652 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) [2021-11-05 23:25:04,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 23:25:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:05,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 23:25:05,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:25:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:05,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 23:25:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:05,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791876076] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 23:25:05,925 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 23:25:05,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-05 23:25:05,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871202554] [2021-11-05 23:25:05,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 23:25:05,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 23:25:05,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 23:25:05,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:25:05,926 INFO L87 Difference]: Start difference. First operand 10634 states and 13533 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:07,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:07,437 INFO L93 Difference]: Finished difference Result 15830 states and 20157 transitions. [2021-11-05 23:25:07,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 23:25:07,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 [2021-11-05 23:25:07,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:07,453 INFO L225 Difference]: With dead ends: 15830 [2021-11-05 23:25:07,453 INFO L226 Difference]: Without dead ends: 10958 [2021-11-05 23:25:07,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 47.15ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:25:07,463 INFO L933 BasicCegarLoop]: 4415 mSDtfsCounter, 108 mSDsluCounter, 8794 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 336.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 13209 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.72ms SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 380.36ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:07,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 13209 Invalid, 247 Unknown, 0 Unchecked, 7.72ms Time], IncrementalHoareTripleChecker [85 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 380.36ms Time] [2021-11-05 23:25:07,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10958 states. [2021-11-05 23:25:08,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10958 to 10958. [2021-11-05 23:25:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10958 states, 10917 states have (on average 1.2693047540533113) internal successors, (13857), 10957 states have internal predecessors, (13857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10958 states to 10958 states and 13857 transitions. [2021-11-05 23:25:08,666 INFO L78 Accepts]: Start accepts. Automaton has 10958 states and 13857 transitions. Word has length 102 [2021-11-05 23:25:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:08,666 INFO L470 AbstractCegarLoop]: Abstraction has 10958 states and 13857 transitions. [2021-11-05 23:25:08,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 10958 states and 13857 transitions. [2021-11-05 23:25:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-05 23:25:08,669 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:08,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:25:08,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-05 23:25:08,869 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 [2021-11-05 23:25:08,870 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-05 23:25:08,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:08,871 INFO L85 PathProgramCache]: Analyzing trace with hash 993549974, now seen corresponding path program 1 times [2021-11-05 23:25:08,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:08,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421531724] [2021-11-05 23:25:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:08,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:09,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:09,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421531724] [2021-11-05 23:25:09,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421531724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:25:09,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:25:09,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:25:09,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550310437] [2021-11-05 23:25:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:25:09,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:25:09,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:25:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:25:09,049 INFO L87 Difference]: Start difference. First operand 10958 states and 13857 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) [2021-11-05 23:25:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:10,963 INFO L93 Difference]: Finished difference Result 25866 states and 33034 transitions. [2021-11-05 23:25:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:25:10,963 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 [2021-11-05 23:25:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:10,994 INFO L225 Difference]: With dead ends: 25866 [2021-11-05 23:25:10,994 INFO L226 Difference]: Without dead ends: 15231 [2021-11-05 23:25:11,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:25:11,016 INFO L933 BasicCegarLoop]: 6118 mSDtfsCounter, 2790 mSDsluCounter, 3629 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 219.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 9747 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.64ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 259.97ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:11,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2790 Valid, 9747 Invalid, 100 Unknown, 0 Unchecked, 7.64ms Time], IncrementalHoareTripleChecker [26 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 259.97ms Time] [2021-11-05 23:25:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15231 states. [2021-11-05 23:25:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15231 to 10760. [2021-11-05 23:25:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10725 states have (on average 1.2674125874125874) internal successors, (13593), 10759 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) [2021-11-05 23:25:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 13593 transitions. [2021-11-05 23:25:12,404 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 13593 transitions. Word has length 107 [2021-11-05 23:25:12,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:12,404 INFO L470 AbstractCegarLoop]: Abstraction has 10760 states and 13593 transitions. [2021-11-05 23:25:12,404 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) [2021-11-05 23:25:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 13593 transitions. [2021-11-05 23:25:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-05 23:25:12,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:12,408 INFO L514 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] [2021-11-05 23:25:12,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-05 23:25:12,408 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)] === [2021-11-05 23:25:12,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:12,409 INFO L85 PathProgramCache]: Analyzing trace with hash -354974040, now seen corresponding path program 2 times [2021-11-05 23:25:12,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:12,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937166812] [2021-11-05 23:25:12,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:12,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-05 23:25:14,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:14,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937166812] [2021-11-05 23:25:14,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937166812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:25:14,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:25:14,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 23:25:14,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514019863] [2021-11-05 23:25:14,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:25:14,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 23:25:14,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:14,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 23:25:14,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 23:25:14,518 INFO L87 Difference]: Start difference. First operand 10760 states and 13593 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) [2021-11-05 23:25:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:16,504 INFO L93 Difference]: Finished difference Result 21513 states and 27178 transitions. [2021-11-05 23:25:16,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 23:25:16,504 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 111 [2021-11-05 23:25:16,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:16,517 INFO L225 Difference]: With dead ends: 21513 [2021-11-05 23:25:16,517 INFO L226 Difference]: Without dead ends: 10760 [2021-11-05 23:25:16,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.72ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:25:16,528 INFO L933 BasicCegarLoop]: 4414 mSDtfsCounter, 4 mSDsluCounter, 13113 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 339.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 17527 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 382.14ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:16,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 17527 Invalid, 136 Unknown, 0 Unchecked, 11.03ms Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 382.14ms Time] [2021-11-05 23:25:16,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2021-11-05 23:25:17,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10760. [2021-11-05 23:25:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10725 states have (on average 1.2673193473193474) internal successors, (13592), 10759 states have internal predecessors, (13592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 13592 transitions. [2021-11-05 23:25:17,611 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 13592 transitions. Word has length 111 [2021-11-05 23:25:17,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:17,611 INFO L470 AbstractCegarLoop]: Abstraction has 10760 states and 13592 transitions. [2021-11-05 23:25:17,612 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) [2021-11-05 23:25:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 13592 transitions. [2021-11-05 23:25:17,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-05 23:25:17,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:17,614 INFO L514 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] [2021-11-05 23:25:17,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-05 23:25:17,614 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-05 23:25:17,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:17,614 INFO L85 PathProgramCache]: Analyzing trace with hash -236532566, now seen corresponding path program 1 times [2021-11-05 23:25:17,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:17,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542191458] [2021-11-05 23:25:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:17,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-05 23:25:19,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:19,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542191458] [2021-11-05 23:25:19,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542191458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:25:19,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:25:19,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-05 23:25:19,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377393921] [2021-11-05 23:25:19,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:25:19,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-05 23:25:19,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:19,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-05 23:25:19,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-05 23:25:19,720 INFO L87 Difference]: Start difference. First operand 10760 states and 13592 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) [2021-11-05 23:25:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:21,445 INFO L93 Difference]: Finished difference Result 13624 states and 17194 transitions. [2021-11-05 23:25:21,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-05 23:25:21,446 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 111 [2021-11-05 23:25:21,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:21,457 INFO L225 Difference]: With dead ends: 13624 [2021-11-05 23:25:21,457 INFO L226 Difference]: Without dead ends: 10760 [2021-11-05 23:25:21,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 313.07ms TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-05 23:25:21,462 INFO L933 BasicCegarLoop]: 4406 mSDtfsCounter, 66 mSDsluCounter, 39550 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 293.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 43956 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.79ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 326.03ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:21,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 43956 Invalid, 201 Unknown, 0 Unchecked, 18.79ms Time], IncrementalHoareTripleChecker [8 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 326.03ms Time] [2021-11-05 23:25:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2021-11-05 23:25:22,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10760. [2021-11-05 23:25:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10760 states, 10725 states have (on average 1.2672261072261073) internal successors, (13591), 10759 states have internal predecessors, (13591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10760 states to 10760 states and 13591 transitions. [2021-11-05 23:25:22,581 INFO L78 Accepts]: Start accepts. Automaton has 10760 states and 13591 transitions. Word has length 111 [2021-11-05 23:25:22,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:22,581 INFO L470 AbstractCegarLoop]: Abstraction has 10760 states and 13591 transitions. [2021-11-05 23:25:22,581 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) [2021-11-05 23:25:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 10760 states and 13591 transitions. [2021-11-05 23:25:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-05 23:25:22,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:22,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:25:22,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-05 23:25:22,583 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-05 23:25:22,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:22,584 INFO L85 PathProgramCache]: Analyzing trace with hash 289587588, now seen corresponding path program 1 times [2021-11-05 23:25:22,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:22,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90265755] [2021-11-05 23:25:22,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:22,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:25:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:25:22,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:25:22,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90265755] [2021-11-05 23:25:22,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90265755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:25:22,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:25:22,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-05 23:25:22,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440434256] [2021-11-05 23:25:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:25:22,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 23:25:22,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:25:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 23:25:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-05 23:25:22,956 INFO L87 Difference]: Start difference. First operand 10760 states and 13591 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) [2021-11-05 23:25:25,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 23:25:28,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:25:28,313 INFO L93 Difference]: Finished difference Result 34977 states and 44199 transitions. [2021-11-05 23:25:28,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-05 23:25:28,313 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 [2021-11-05 23:25:28,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:25:28,343 INFO L225 Difference]: With dead ends: 34977 [2021-11-05 23:25:28,344 INFO L226 Difference]: Without dead ends: 24290 [2021-11-05 23:25:28,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 319.09ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-05 23:25:28,358 INFO L933 BasicCegarLoop]: 5178 mSDtfsCounter, 27288 mSDsluCounter, 36788 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2259.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27288 SdHoareTripleChecker+Valid, 41966 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.29ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2293.90ms IncrementalHoareTripleChecker+Time [2021-11-05 23:25:28,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27288 Valid, 41966 Invalid, 80 Unknown, 0 Unchecked, 41.29ms Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 2293.90ms Time] [2021-11-05 23:25:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24290 states. [2021-11-05 23:25:29,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24290 to 10766. [2021-11-05 23:25:29,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 10731 states have (on average 1.267076693691175) internal successors, (13597), 10765 states have internal predecessors, (13597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:25:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 13597 transitions. [2021-11-05 23:25:29,744 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 13597 transitions. Word has length 117 [2021-11-05 23:25:29,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:25:29,745 INFO L470 AbstractCegarLoop]: Abstraction has 10766 states and 13597 transitions. [2021-11-05 23:25:29,745 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) [2021-11-05 23:25:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 13597 transitions. [2021-11-05 23:25:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-05 23:25:29,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:25:29,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:25:29,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-05 23:25:29,747 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)] === [2021-11-05 23:25:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:25:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1912949592, now seen corresponding path program 1 times [2021-11-05 23:25:29,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:25:29,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500118067] [2021-11-05 23:25:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:29,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:25:29,810 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 23:25:29,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866927536] [2021-11-05 23:25:29,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:25:29,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:25:29,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:25:29,816 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) [2021-11-05 23:25:29,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 23:28:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:28:19,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 3286 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-05 23:28:19,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:28:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:28:19,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 23:28:19,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:28:19,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500118067] [2021-11-05 23:28:19,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 23:28:19,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866927536] [2021-11-05 23:28:19,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866927536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:28:19,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:28:19,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 23:28:19,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926571513] [2021-11-05 23:28:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:28:19,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 23:28:19,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:28:19,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 23:28:19,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:28:19,941 INFO L87 Difference]: Start difference. First operand 10766 states and 13597 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) [2021-11-05 23:28:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:28:21,691 INFO L93 Difference]: Finished difference Result 24306 states and 30701 transitions. [2021-11-05 23:28:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 23:28:21,692 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 [2021-11-05 23:28:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:28:21,707 INFO L225 Difference]: With dead ends: 24306 [2021-11-05 23:28:21,707 INFO L226 Difference]: Without dead ends: 13630 [2021-11-05 23:28:21,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 23:28:21,718 INFO L933 BasicCegarLoop]: 7006 mSDtfsCounter, 4326 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4326 SdHoareTripleChecker+Valid, 10458 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.43ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.78ms IncrementalHoareTripleChecker+Time [2021-11-05 23:28:21,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4326 Valid, 10458 Invalid, 1 Unknown, 0 Unchecked, 9.43ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2.78ms Time] [2021-11-05 23:28:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13630 states. [2021-11-05 23:28:23,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13630 to 10766. [2021-11-05 23:28:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10766 states, 10731 states have (on average 1.2669835057310594) internal successors, (13596), 10765 states have internal predecessors, (13596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 23:28:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10766 states to 10766 states and 13596 transitions. [2021-11-05 23:28:23,020 INFO L78 Accepts]: Start accepts. Automaton has 10766 states and 13596 transitions. Word has length 123 [2021-11-05 23:28:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:28:23,020 INFO L470 AbstractCegarLoop]: Abstraction has 10766 states and 13596 transitions. [2021-11-05 23:28:23,020 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) [2021-11-05 23:28:23,020 INFO L276 IsEmpty]: Start isEmpty. Operand 10766 states and 13596 transitions. [2021-11-05 23:28:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-05 23:28:23,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:28:23,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:28:23,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-05 23:28:23,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:28:23,223 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)] === [2021-11-05 23:28:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:28:23,223 INFO L85 PathProgramCache]: Analyzing trace with hash 541142294, now seen corresponding path program 1 times [2021-11-05 23:28:23,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:28:23,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22233713] [2021-11-05 23:28:23,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:28:23,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:28:23,287 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 23:28:23,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729837363] [2021-11-05 23:28:23,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:28:23,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:28:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:28:23,288 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) [2021-11-05 23:28:23,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 23:28:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:28:48,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 3287 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-05 23:28:48,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 23:28:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 23:28:48,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 23:28:48,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:28:48,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22233713] [2021-11-05 23:28:48,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-05 23:28:48,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729837363] [2021-11-05 23:28:48,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729837363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:28:48,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:28:48,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 23:28:48,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63032283] [2021-11-05 23:28:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:28:48,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 23:28:48,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:28:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 23:28:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 23:28:48,736 INFO L87 Difference]: Start difference. First operand 10766 states and 13596 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) [2021-11-05 23:28:52,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:28:52,017 INFO L93 Difference]: Finished difference Result 33942 states and 42940 transitions. [2021-11-05 23:28:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 23:28:52,018 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 [2021-11-05 23:28:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:28:52,045 INFO L225 Difference]: With dead ends: 33942 [2021-11-05 23:28:52,045 INFO L226 Difference]: Without dead ends: 23289 [2021-11-05 23:28:52,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 205.88ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-05 23:28:52,059 INFO L933 BasicCegarLoop]: 8546 mSDtfsCounter, 16973 mSDsluCounter, 27713 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16973 SdHoareTripleChecker+Valid, 36259 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.21ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.42ms IncrementalHoareTripleChecker+Time [2021-11-05 23:28:52,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16973 Valid, 36259 Invalid, 47 Unknown, 0 Unchecked, 34.21ms Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 89.42ms Time] [2021-11-05 23:28:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23289 states. [2021-11-05 23:28:53,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23289 to 10771. [2021-11-05 23:28:53,552 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) [2021-11-05 23:28:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10771 states to 10771 states and 13601 transitions. [2021-11-05 23:28:53,562 INFO L78 Accepts]: Start accepts. Automaton has 10771 states and 13601 transitions. Word has length 123 [2021-11-05 23:28:53,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:28:53,562 INFO L470 AbstractCegarLoop]: Abstraction has 10771 states and 13601 transitions. [2021-11-05 23:28:53,562 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) [2021-11-05 23:28:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 10771 states and 13601 transitions. [2021-11-05 23:28:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-05 23:28:53,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:28:53,564 INFO L514 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] [2021-11-05 23:28:53,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 23:28:53,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-05 23:28:53,765 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr206ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-05 23:28:53,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:28:53,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1139274914, now seen corresponding path program 1 times [2021-11-05 23:28:53,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:28:53,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19758049] [2021-11-05 23:28:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:28:53,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:28:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 23:28:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-05 23:28:55,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 23:28:55,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19758049] [2021-11-05 23:28:55,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19758049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 23:28:55,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 23:28:55,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-05 23:28:55,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155032762] [2021-11-05 23:28:55,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 23:28:55,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-05 23:28:55,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 23:28:55,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-05 23:28:55,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-05 23:28:55,219 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) [2021-11-05 23:28:57,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 23:28:57,290 INFO L93 Difference]: Finished difference Result 13635 states and 17203 transitions. [2021-11-05 23:28:57,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-05 23:28:57,290 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 [2021-11-05 23:28:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 23:28:57,303 INFO L225 Difference]: With dead ends: 13635 [2021-11-05 23:28:57,303 INFO L226 Difference]: Without dead ends: 10765 [2021-11-05 23:28:57,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 393.73ms TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2021-11-05 23:28:57,308 INFO L933 BasicCegarLoop]: 4404 mSDtfsCounter, 66 mSDsluCounter, 39533 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 383.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 43937 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.66ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 418.11ms IncrementalHoareTripleChecker+Time [2021-11-05 23:28:57,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 43937 Invalid, 200 Unknown, 0 Unchecked, 18.66ms Time], IncrementalHoareTripleChecker [8 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 418.11ms Time] [2021-11-05 23:28:57,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10765 states. [2021-11-05 23:28:58,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10765 to 10765. [2021-11-05 23:28:58,701 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) [2021-11-05 23:28:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10765 states to 10765 states and 13593 transitions. [2021-11-05 23:28:58,712 INFO L78 Accepts]: Start accepts. Automaton has 10765 states and 13593 transitions. Word has length 126 [2021-11-05 23:28:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 23:28:58,712 INFO L470 AbstractCegarLoop]: Abstraction has 10765 states and 13593 transitions. [2021-11-05 23:28:58,712 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) [2021-11-05 23:28:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 10765 states and 13593 transitions. [2021-11-05 23:28:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-05 23:28:58,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 23:28:58,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 23:28:58,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-05 23:28:58,713 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 294 more)] === [2021-11-05 23:28:58,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 23:28:58,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2129628418, now seen corresponding path program 1 times [2021-11-05 23:28:58,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 23:28:58,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187292367] [2021-11-05 23:28:58,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:28:58,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 23:28:58,768 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-05 23:28:58,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1156146148] [2021-11-05 23:28:58,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 23:28:58,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 23:28:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 23:28:58,772 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) [2021-11-05 23:28:58,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Killed by 15