./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--net--ethernet--dec--tulip--dmfe.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.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 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 20:19:19,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 20:19:19,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 20:19:19,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 20:19:19,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 20:19:19,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 20:19:19,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 20:19:19,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 20:19:19,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 20:19:19,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 20:19:19,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 20:19:19,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 20:19:19,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 20:19:19,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 20:19:19,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 20:19:19,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 20:19:19,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 20:19:19,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 20:19:19,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 20:19:19,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 20:19:19,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 20:19:19,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 20:19:19,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 20:19:19,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 20:19:19,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 20:19:19,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 20:19:19,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 20:19:19,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 20:19:19,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 20:19:19,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 20:19:19,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 20:19:19,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 20:19:19,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 20:19:19,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 20:19:19,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 20:19:19,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 20:19:19,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 20:19:19,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 20:19:19,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 20:19:19,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 20:19:19,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 20:19:19,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 20:19:19,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 20:19:19,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 20:19:19,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 20:19:19,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 20:19:19,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 20:19:19,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 20:19:19,634 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 20:19:19,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 20:19:19,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 20:19:19,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 20:19:19,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 20:19:19,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 20:19:19,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 20:19:19,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 20:19:19,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 20:19:19,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 20:19:19,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 20:19:19,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 20:19:19,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 20:19:19,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:19:19,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 20:19:19,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 20:19:19,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 20:19:19,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 20:19:19,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 20:19:19,638 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 20:19:19,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 20:19:19,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 20:19:19,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 20:19:19,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2021-11-07 20:19:19,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 20:19:19,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 20:19:19,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 20:19:19,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 20:19:19,847 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 20:19:19,848 INFO L432 ainManager$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--net--ethernet--dec--tulip--dmfe.ko.cil.i [2021-11-07 20:19:19,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfff647e/e2cf6a4d33a3409481419a060ef0ecf0/FLAG7398f953d [2021-11-07 20:19:20,487 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 20:19:20,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2021-11-07 20:19:20,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfff647e/e2cf6a4d33a3409481419a060ef0ecf0/FLAG7398f953d [2021-11-07 20:19:20,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bfff647e/e2cf6a4d33a3409481419a060ef0ecf0 [2021-11-07 20:19:20,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 20:19:20,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 20:19:20,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 20:19:20,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 20:19:20,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 20:19:20,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:19:20" (1/1) ... [2021-11-07 20:19:20,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daa174e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:20, skipping insertion in model container [2021-11-07 20:19:20,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:19:20" (1/1) ... [2021-11-07 20:19:20,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 20:19:20,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 20:19:22,837 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2021-11-07 20:19:22,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2021-11-07 20:19:22,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2021-11-07 20:19:22,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2021-11-07 20:19:22,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2021-11-07 20:19:22,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2021-11-07 20:19:22,841 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2021-11-07 20:19:22,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2021-11-07 20:19:22,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2021-11-07 20:19:22,842 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2021-11-07 20:19:22,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2021-11-07 20:19:22,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2021-11-07 20:19:22,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2021-11-07 20:19:22,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2021-11-07 20:19:22,844 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2021-11-07 20:19:22,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2021-11-07 20:19:22,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2021-11-07 20:19:22,845 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2021-11-07 20:19:22,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2021-11-07 20:19:22,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2021-11-07 20:19:22,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2021-11-07 20:19:22,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2021-11-07 20:19:22,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2021-11-07 20:19:22,847 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2021-11-07 20:19:22,848 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2021-11-07 20:19:22,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2021-11-07 20:19:22,849 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2021-11-07 20:19:22,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2021-11-07 20:19:22,850 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2021-11-07 20:19:22,851 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2021-11-07 20:19:22,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2021-11-07 20:19:22,852 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2021-11-07 20:19:22,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2021-11-07 20:19:22,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2021-11-07 20:19:22,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2021-11-07 20:19:22,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2021-11-07 20:19:22,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2021-11-07 20:19:22,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2021-11-07 20:19:22,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2021-11-07 20:19:22,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2021-11-07 20:19:22,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2021-11-07 20:19:22,856 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2021-11-07 20:19:22,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2021-11-07 20:19:22,867 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2021-11-07 20:19:22,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2021-11-07 20:19:22,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2021-11-07 20:19:22,869 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2021-11-07 20:19:22,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2021-11-07 20:19:22,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2021-11-07 20:19:22,870 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2021-11-07 20:19:22,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2021-11-07 20:19:22,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2021-11-07 20:19:22,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2021-11-07 20:19:22,871 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2021-11-07 20:19:22,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2021-11-07 20:19:22,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2021-11-07 20:19:22,872 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2021-11-07 20:19:22,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2021-11-07 20:19:22,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2021-11-07 20:19:22,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2021-11-07 20:19:22,874 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2021-11-07 20:19:22,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2021-11-07 20:19:22,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2021-11-07 20:19:22,875 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2021-11-07 20:19:22,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2021-11-07 20:19:22,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2021-11-07 20:19:22,876 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2021-11-07 20:19:22,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2021-11-07 20:19:22,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2021-11-07 20:19:22,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2021-11-07 20:19:22,877 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2021-11-07 20:19:22,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2021-11-07 20:19:22,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2021-11-07 20:19:22,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2021-11-07 20:19:22,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2021-11-07 20:19:22,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2021-11-07 20:19:22,879 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2021-11-07 20:19:22,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2021-11-07 20:19:22,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2021-11-07 20:19:22,880 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2021-11-07 20:19:22,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2021-11-07 20:19:22,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2021-11-07 20:19:22,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2021-11-07 20:19:22,881 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2021-11-07 20:19:22,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2021-11-07 20:19:22,882 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2021-11-07 20:19:22,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2021-11-07 20:19:22,883 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2021-11-07 20:19:22,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:19:22,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 20:19:23,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2021-11-07 20:19:23,182 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2021-11-07 20:19:23,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2021-11-07 20:19:23,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2021-11-07 20:19:23,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2021-11-07 20:19:23,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2021-11-07 20:19:23,187 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2021-11-07 20:19:23,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2021-11-07 20:19:23,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2021-11-07 20:19:23,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2021-11-07 20:19:23,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2021-11-07 20:19:23,189 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2021-11-07 20:19:23,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2021-11-07 20:19:23,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2021-11-07 20:19:23,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2021-11-07 20:19:23,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2021-11-07 20:19:23,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2021-11-07 20:19:23,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2021-11-07 20:19:23,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2021-11-07 20:19:23,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2021-11-07 20:19:23,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2021-11-07 20:19:23,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2021-11-07 20:19:23,192 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2021-11-07 20:19:23,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2021-11-07 20:19:23,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2021-11-07 20:19:23,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2021-11-07 20:19:23,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2021-11-07 20:19:23,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2021-11-07 20:19:23,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2021-11-07 20:19:23,194 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2021-11-07 20:19:23,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2021-11-07 20:19:23,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2021-11-07 20:19:23,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2021-11-07 20:19:23,195 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2021-11-07 20:19:23,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2021-11-07 20:19:23,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2021-11-07 20:19:23,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2021-11-07 20:19:23,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2021-11-07 20:19:23,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2021-11-07 20:19:23,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2021-11-07 20:19:23,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2021-11-07 20:19:23,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2021-11-07 20:19:23,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2021-11-07 20:19:23,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2021-11-07 20:19:23,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2021-11-07 20:19:23,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2021-11-07 20:19:23,200 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2021-11-07 20:19:23,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2021-11-07 20:19:23,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2021-11-07 20:19:23,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2021-11-07 20:19:23,201 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2021-11-07 20:19:23,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2021-11-07 20:19:23,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2021-11-07 20:19:23,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2021-11-07 20:19:23,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2021-11-07 20:19:23,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2021-11-07 20:19:23,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2021-11-07 20:19:23,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2021-11-07 20:19:23,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2021-11-07 20:19:23,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2021-11-07 20:19:23,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2021-11-07 20:19:23,205 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2021-11-07 20:19:23,206 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2021-11-07 20:19:23,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2021-11-07 20:19:23,207 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2021-11-07 20:19:23,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2021-11-07 20:19:23,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2021-11-07 20:19:23,209 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2021-11-07 20:19:23,212 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2021-11-07 20:19:23,213 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2021-11-07 20:19:23,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2021-11-07 20:19:23,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2021-11-07 20:19:23,214 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2021-11-07 20:19:23,215 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2021-11-07 20:19:23,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2021-11-07 20:19:23,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2021-11-07 20:19:23,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2021-11-07 20:19:23,219 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2021-11-07 20:19:23,220 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2021-11-07 20:19:23,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2021-11-07 20:19:23,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2021-11-07 20:19:23,221 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2021-11-07 20:19:23,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2021-11-07 20:19:23,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2021-11-07 20:19:23,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2021-11-07 20:19:23,222 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2021-11-07 20:19:23,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2021-11-07 20:19:23,223 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2021-11-07 20:19:23,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 20:19:23,380 INFO L208 MainTranslator]: Completed translation [2021-11-07 20:19:23,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23 WrapperNode [2021-11-07 20:19:23,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 20:19:23,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 20:19:23,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 20:19:23,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 20:19:23,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:23,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 20:19:25,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 20:19:25,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 20:19:25,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 20:19:25,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:25,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:26,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 20:19:26,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 20:19:26,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 20:19:26,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 20:19:26,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (1/1) ... [2021-11-07 20:19:26,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 20:19:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:19:26,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 20:19:26,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 20:19:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 20:19:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 20:19:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 20:19:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 20:19:26,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 20:19:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 20:19:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 20:19:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 20:19:41,405 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_14_returnLabel: main_#res := 0; [2021-11-07 20:19:41,405 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0.offset; [2021-11-07 20:19:41,408 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 20:19:41,408 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10059: #t~ret1239 := main_#res; [2021-11-07 20:19:41,444 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 20:19:41,444 INFO L299 CfgBuilder]: Removed 19338 assume(true) statements. [2021-11-07 20:19:41,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:19:41 BoogieIcfgContainer [2021-11-07 20:19:41,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 20:19:41,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 20:19:41,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 20:19:41,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 20:19:41,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:19:20" (1/3) ... [2021-11-07 20:19:41,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46656c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:19:41, skipping insertion in model container [2021-11-07 20:19:41,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:23" (2/3) ... [2021-11-07 20:19:41,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46656c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:19:41, skipping insertion in model container [2021-11-07 20:19:41,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:19:41" (3/3) ... [2021-11-07 20:19:41,457 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2021-11-07 20:19:41,460 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 20:19:41,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 101 error locations. [2021-11-07 20:19:41,511 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 20:19:41,515 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 20:19:41,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2021-11-07 20:19:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 11774 states, 11673 states have (on average 1.1842713955281419) internal successors, (13824), 11773 states have internal predecessors, (13824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:19:41,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:41,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:41,618 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1800134205, now seen corresponding path program 1 times [2021-11-07 20:19:41,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:41,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716186460] [2021-11-07 20:19:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:41,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:41,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:41,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716186460] [2021-11-07 20:19:41,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716186460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:41,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:41,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:19:41,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474960251] [2021-11-07 20:19:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:41,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:19:41,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:19:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:19:42,010 INFO L87 Difference]: Start difference. First operand has 11774 states, 11673 states have (on average 1.1842713955281419) internal successors, (13824), 11773 states have internal predecessors, (13824), 0 states have call successors, (0), 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:42,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:42,574 INFO L93 Difference]: Finished difference Result 23541 states and 27638 transitions. [2021-11-07 20:19:42,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:19:42,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 20:19:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:42,625 INFO L225 Difference]: With dead ends: 23541 [2021-11-07 20:19:42,625 INFO L226 Difference]: Without dead ends: 11668 [2021-11-07 20:19:42,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.88ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:19:42,657 INFO L933 BasicCegarLoop]: 13686 mSDtfsCounter, 13682 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13682 SdHoareTripleChecker+Valid, 13686 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.61ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.89ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:42,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13682 Valid, 13686 Invalid, 1 Unknown, 0 Unchecked, 33.61ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.89ms Time] [2021-11-07 20:19:42,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2021-11-07 20:19:42,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 11668. [2021-11-07 20:19:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11668 states, 11567 states have (on average 1.1649520186738134) internal successors, (13475), 11667 states have internal predecessors, (13475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11668 states to 11668 states and 13475 transitions. [2021-11-07 20:19:42,936 INFO L78 Accepts]: Start accepts. Automaton has 11668 states and 13475 transitions. Word has length 37 [2021-11-07 20:19:42,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:42,936 INFO L470 AbstractCegarLoop]: Abstraction has 11668 states and 13475 transitions. [2021-11-07 20:19:42,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 11668 states and 13475 transitions. [2021-11-07 20:19:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 20:19:42,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:42,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:42,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 20:19:42,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:42,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:42,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1525374591, now seen corresponding path program 1 times [2021-11-07 20:19:42,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:42,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508062041] [2021-11-07 20:19:42,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:42,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:43,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:43,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508062041] [2021-11-07 20:19:43,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508062041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:43,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:43,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:43,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438560278] [2021-11-07 20:19:43,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:43,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:43,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:43,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:43,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:43,193 INFO L87 Difference]: Start difference. First operand 11668 states and 13475 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:43,453 INFO L93 Difference]: Finished difference Result 11668 states and 13475 transitions. [2021-11-07 20:19:43,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:43,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 20:19:43,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:43,487 INFO L225 Difference]: With dead ends: 11668 [2021-11-07 20:19:43,487 INFO L226 Difference]: Without dead ends: 11664 [2021-11-07 20:19:43,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:43,493 INFO L933 BasicCegarLoop]: 13467 mSDtfsCounter, 13597 mSDsluCounter, 13309 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13597 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.99ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.58ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:43,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13597 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 34.99ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.58ms Time] [2021-11-07 20:19:43,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11664 states. [2021-11-07 20:19:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11664 to 11664. [2021-11-07 20:19:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11664 states, 11565 states have (on average 1.164807609165586) internal successors, (13471), 11663 states have internal predecessors, (13471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11664 states to 11664 states and 13471 transitions. [2021-11-07 20:19:43,877 INFO L78 Accepts]: Start accepts. Automaton has 11664 states and 13471 transitions. Word has length 37 [2021-11-07 20:19:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:43,878 INFO L470 AbstractCegarLoop]: Abstraction has 11664 states and 13471 transitions. [2021-11-07 20:19:43,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11664 states and 13471 transitions. [2021-11-07 20:19:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 20:19:43,881 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:43,881 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:43,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 20:19:43,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:43,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1300231355, now seen corresponding path program 1 times [2021-11-07 20:19:43,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:43,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657514192] [2021-11-07 20:19:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:43,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:44,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:44,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657514192] [2021-11-07 20:19:44,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657514192] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:44,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:44,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:44,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12183386] [2021-11-07 20:19:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:44,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:44,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:44,027 INFO L87 Difference]: Start difference. First operand 11664 states and 13471 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:44,262 INFO L93 Difference]: Finished difference Result 11664 states and 13471 transitions. [2021-11-07 20:19:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:44,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 20:19:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:44,291 INFO L225 Difference]: With dead ends: 11664 [2021-11-07 20:19:44,292 INFO L226 Difference]: Without dead ends: 11660 [2021-11-07 20:19:44,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.00ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:44,297 INFO L933 BasicCegarLoop]: 13463 mSDtfsCounter, 13583 mSDsluCounter, 13313 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13583 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.09ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:44,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13583 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 30.55ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.09ms Time] [2021-11-07 20:19:44,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11660 states. [2021-11-07 20:19:44,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11660 to 11660. [2021-11-07 20:19:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11660 states, 11563 states have (on average 1.1646631497016344) internal successors, (13467), 11659 states have internal predecessors, (13467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11660 states to 11660 states and 13467 transitions. [2021-11-07 20:19:44,598 INFO L78 Accepts]: Start accepts. Automaton has 11660 states and 13467 transitions. Word has length 39 [2021-11-07 20:19:44,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:44,599 INFO L470 AbstractCegarLoop]: Abstraction has 11660 states and 13467 transitions. [2021-11-07 20:19:44,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 11660 states and 13467 transitions. [2021-11-07 20:19:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 20:19:44,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:44,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:44,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 20:19:44,604 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:44,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:44,604 INFO L85 PathProgramCache]: Analyzing trace with hash 314053993, now seen corresponding path program 1 times [2021-11-07 20:19:44,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:44,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865902677] [2021-11-07 20:19:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:44,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:44,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:44,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865902677] [2021-11-07 20:19:44,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865902677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:44,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:44,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:44,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39180716] [2021-11-07 20:19:44,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:44,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:44,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:44,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:44,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:44,773 INFO L87 Difference]: Start difference. First operand 11660 states and 13467 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:45,153 INFO L93 Difference]: Finished difference Result 11660 states and 13467 transitions. [2021-11-07 20:19:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:45,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 20:19:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:45,175 INFO L225 Difference]: With dead ends: 11660 [2021-11-07 20:19:45,176 INFO L226 Difference]: Without dead ends: 11656 [2021-11-07 20:19:45,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.50ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:45,182 INFO L933 BasicCegarLoop]: 13459 mSDtfsCounter, 13569 mSDsluCounter, 13317 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13569 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.29ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:45,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13569 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 35.65ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.29ms Time] [2021-11-07 20:19:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11656 states. [2021-11-07 20:19:45,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11656 to 11656. [2021-11-07 20:19:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11656 states, 11561 states have (on average 1.1645186402560332) internal successors, (13463), 11655 states have internal predecessors, (13463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11656 states to 11656 states and 13463 transitions. [2021-11-07 20:19:45,538 INFO L78 Accepts]: Start accepts. Automaton has 11656 states and 13463 transitions. Word has length 41 [2021-11-07 20:19:45,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:45,539 INFO L470 AbstractCegarLoop]: Abstraction has 11656 states and 13463 transitions. [2021-11-07 20:19:45,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11656 states and 13463 transitions. [2021-11-07 20:19:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-07 20:19:45,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:45,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:45,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 20:19:45,540 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:45,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:45,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1159079917, now seen corresponding path program 1 times [2021-11-07 20:19:45,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:45,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501220229] [2021-11-07 20:19:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:45,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:45,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:45,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501220229] [2021-11-07 20:19:45,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501220229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:45,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:45,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:45,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172438587] [2021-11-07 20:19:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:45,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:45,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:45,656 INFO L87 Difference]: Start difference. First operand 11656 states and 13463 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:46,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:46,014 INFO L93 Difference]: Finished difference Result 11656 states and 13463 transitions. [2021-11-07 20:19:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:46,015 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2021-11-07 20:19:46,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:46,038 INFO L225 Difference]: With dead ends: 11656 [2021-11-07 20:19:46,038 INFO L226 Difference]: Without dead ends: 11652 [2021-11-07 20:19:46,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.81ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:46,044 INFO L933 BasicCegarLoop]: 13455 mSDtfsCounter, 13555 mSDsluCounter, 13321 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13555 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.89ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.33ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:46,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13555 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 29.89ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.33ms Time] [2021-11-07 20:19:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11652 states. [2021-11-07 20:19:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11652 to 11652. [2021-11-07 20:19:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11652 states, 11559 states have (on average 1.1643740808028376) internal successors, (13459), 11651 states have internal predecessors, (13459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11652 states to 11652 states and 13459 transitions. [2021-11-07 20:19:46,424 INFO L78 Accepts]: Start accepts. Automaton has 11652 states and 13459 transitions. Word has length 43 [2021-11-07 20:19:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:46,425 INFO L470 AbstractCegarLoop]: Abstraction has 11652 states and 13459 transitions. [2021-11-07 20:19:46,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 11652 states and 13459 transitions. [2021-11-07 20:19:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-07 20:19:46,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:46,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:46,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 20:19:46,427 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:46,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1480174289, now seen corresponding path program 1 times [2021-11-07 20:19:46,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:46,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636151135] [2021-11-07 20:19:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:46,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:46,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:46,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636151135] [2021-11-07 20:19:46,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636151135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:46,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:46,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:46,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588769741] [2021-11-07 20:19:46,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:46,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:46,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:46,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:46,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:46,551 INFO L87 Difference]: Start difference. First operand 11652 states and 13459 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:46,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:46,920 INFO L93 Difference]: Finished difference Result 11652 states and 13459 transitions. [2021-11-07 20:19:46,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:46,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-11-07 20:19:46,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:46,940 INFO L225 Difference]: With dead ends: 11652 [2021-11-07 20:19:46,941 INFO L226 Difference]: Without dead ends: 11648 [2021-11-07 20:19:46,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.06ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:46,946 INFO L933 BasicCegarLoop]: 13451 mSDtfsCounter, 13541 mSDsluCounter, 13325 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13541 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.98ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.21ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:46,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13541 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 23.98ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.21ms Time] [2021-11-07 20:19:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11648 states. [2021-11-07 20:19:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11648 to 11648. [2021-11-07 20:19:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11648 states, 11557 states have (on average 1.1642294713160855) internal successors, (13455), 11647 states have internal predecessors, (13455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11648 states to 11648 states and 13455 transitions. [2021-11-07 20:19:47,305 INFO L78 Accepts]: Start accepts. Automaton has 11648 states and 13455 transitions. Word has length 45 [2021-11-07 20:19:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:47,306 INFO L470 AbstractCegarLoop]: Abstraction has 11648 states and 13455 transitions. [2021-11-07 20:19:47,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 11648 states and 13455 transitions. [2021-11-07 20:19:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 20:19:47,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:47,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:47,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 20:19:47,307 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:47,307 INFO L85 PathProgramCache]: Analyzing trace with hash 814220821, now seen corresponding path program 1 times [2021-11-07 20:19:47,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:47,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944314799] [2021-11-07 20:19:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:47,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:47,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:47,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944314799] [2021-11-07 20:19:47,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944314799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:47,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:47,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:47,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776265861] [2021-11-07 20:19:47,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:47,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:47,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:47,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:47,420 INFO L87 Difference]: Start difference. First operand 11648 states and 13455 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:47,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:47,712 INFO L93 Difference]: Finished difference Result 11648 states and 13455 transitions. [2021-11-07 20:19:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:47,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-07 20:19:47,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:47,733 INFO L225 Difference]: With dead ends: 11648 [2021-11-07 20:19:47,734 INFO L226 Difference]: Without dead ends: 11644 [2021-11-07 20:19:47,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:47,738 INFO L933 BasicCegarLoop]: 13447 mSDtfsCounter, 13527 mSDsluCounter, 13329 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13527 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.93ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.73ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:47,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13527 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 20.93ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.73ms Time] [2021-11-07 20:19:47,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11644 states. [2021-11-07 20:19:47,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11644 to 11644. [2021-11-07 20:19:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11644 states, 11555 states have (on average 1.1640848117697966) internal successors, (13451), 11643 states have internal predecessors, (13451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11644 states to 11644 states and 13451 transitions. [2021-11-07 20:19:48,025 INFO L78 Accepts]: Start accepts. Automaton has 11644 states and 13451 transitions. Word has length 47 [2021-11-07 20:19:48,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:48,026 INFO L470 AbstractCegarLoop]: Abstraction has 11644 states and 13451 transitions. [2021-11-07 20:19:48,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 11644 states and 13451 transitions. [2021-11-07 20:19:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-07 20:19:48,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:48,027 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:48,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 20:19:48,027 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:48,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:48,027 INFO L85 PathProgramCache]: Analyzing trace with hash 783065529, now seen corresponding path program 1 times [2021-11-07 20:19:48,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:48,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400141552] [2021-11-07 20:19:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:48,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:48,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:48,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400141552] [2021-11-07 20:19:48,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400141552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:48,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:48,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:48,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660578037] [2021-11-07 20:19:48,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:48,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:48,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:48,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:48,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:48,185 INFO L87 Difference]: Start difference. First operand 11644 states and 13451 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:48,590 INFO L93 Difference]: Finished difference Result 11644 states and 13451 transitions. [2021-11-07 20:19:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:48,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-07 20:19:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:48,609 INFO L225 Difference]: With dead ends: 11644 [2021-11-07 20:19:48,610 INFO L226 Difference]: Without dead ends: 11640 [2021-11-07 20:19:48,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.46ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:48,616 INFO L933 BasicCegarLoop]: 13443 mSDtfsCounter, 13513 mSDsluCounter, 13333 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13513 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.76ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:48,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13513 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 23.55ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.76ms Time] [2021-11-07 20:19:48,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2021-11-07 20:19:48,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 11640. [2021-11-07 20:19:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11640 states, 11553 states have (on average 1.1639401021379727) internal successors, (13447), 11639 states have internal predecessors, (13447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11640 states to 11640 states and 13447 transitions. [2021-11-07 20:19:49,024 INFO L78 Accepts]: Start accepts. Automaton has 11640 states and 13447 transitions. Word has length 49 [2021-11-07 20:19:49,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:49,024 INFO L470 AbstractCegarLoop]: Abstraction has 11640 states and 13447 transitions. [2021-11-07 20:19:49,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11640 states and 13447 transitions. [2021-11-07 20:19:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 20:19:49,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:49,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:49,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 20:19:49,025 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:49,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:49,025 INFO L85 PathProgramCache]: Analyzing trace with hash 907601341, now seen corresponding path program 1 times [2021-11-07 20:19:49,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:49,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272846008] [2021-11-07 20:19:49,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:49,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:49,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:49,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272846008] [2021-11-07 20:19:49,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272846008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:49,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:49,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:49,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842353648] [2021-11-07 20:19:49,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:49,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:49,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:49,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:49,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:49,142 INFO L87 Difference]: Start difference. First operand 11640 states and 13447 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:49,449 INFO L93 Difference]: Finished difference Result 11640 states and 13447 transitions. [2021-11-07 20:19:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:49,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-07 20:19:49,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:49,470 INFO L225 Difference]: With dead ends: 11640 [2021-11-07 20:19:49,470 INFO L226 Difference]: Without dead ends: 11636 [2021-11-07 20:19:49,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:49,477 INFO L933 BasicCegarLoop]: 13439 mSDtfsCounter, 13499 mSDsluCounter, 13337 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13499 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.49ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.53ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:49,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13499 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 19.49ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.53ms Time] [2021-11-07 20:19:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11636 states. [2021-11-07 20:19:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11636 to 11636. [2021-11-07 20:19:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11636 states, 11551 states have (on average 1.163795342394598) internal successors, (13443), 11635 states have internal predecessors, (13443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11636 states to 11636 states and 13443 transitions. [2021-11-07 20:19:49,806 INFO L78 Accepts]: Start accepts. Automaton has 11636 states and 13443 transitions. Word has length 51 [2021-11-07 20:19:49,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:49,806 INFO L470 AbstractCegarLoop]: Abstraction has 11636 states and 13443 transitions. [2021-11-07 20:19:49,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 11636 states and 13443 transitions. [2021-11-07 20:19:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 20:19:49,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:49,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:49,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 20:19:49,807 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:49,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:49,807 INFO L85 PathProgramCache]: Analyzing trace with hash 327431744, now seen corresponding path program 1 times [2021-11-07 20:19:49,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:49,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626246237] [2021-11-07 20:19:49,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:49,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:49,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:49,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626246237] [2021-11-07 20:19:49,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626246237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:49,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:49,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:49,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798942612] [2021-11-07 20:19:49,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:49,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:49,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:49,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:49,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:49,906 INFO L87 Difference]: Start difference. First operand 11636 states and 13443 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:50,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:50,222 INFO L93 Difference]: Finished difference Result 11636 states and 13443 transitions. [2021-11-07 20:19:50,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:50,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-07 20:19:50,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:50,247 INFO L225 Difference]: With dead ends: 11636 [2021-11-07 20:19:50,247 INFO L226 Difference]: Without dead ends: 11632 [2021-11-07 20:19:50,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:50,253 INFO L933 BasicCegarLoop]: 13435 mSDtfsCounter, 13485 mSDsluCounter, 13341 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13485 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.60ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:50,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13485 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 20.60ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.95ms Time] [2021-11-07 20:19:50,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11632 states. [2021-11-07 20:19:50,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11632 to 11632. [2021-11-07 20:19:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11632 states, 11549 states have (on average 1.1636505325136375) internal successors, (13439), 11631 states have internal predecessors, (13439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11632 states to 11632 states and 13439 transitions. [2021-11-07 20:19:50,588 INFO L78 Accepts]: Start accepts. Automaton has 11632 states and 13439 transitions. Word has length 53 [2021-11-07 20:19:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:50,589 INFO L470 AbstractCegarLoop]: Abstraction has 11632 states and 13439 transitions. [2021-11-07 20:19:50,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 11632 states and 13439 transitions. [2021-11-07 20:19:50,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 20:19:50,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:50,590 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:50,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 20:19:50,590 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:50,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1130198820, now seen corresponding path program 1 times [2021-11-07 20:19:50,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:50,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785139379] [2021-11-07 20:19:50,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:50,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:50,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:50,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785139379] [2021-11-07 20:19:50,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785139379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:50,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:50,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:50,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198486643] [2021-11-07 20:19:50,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:50,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:50,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:50,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:50,683 INFO L87 Difference]: Start difference. First operand 11632 states and 13439 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:51,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:51,046 INFO L93 Difference]: Finished difference Result 11632 states and 13439 transitions. [2021-11-07 20:19:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:51,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 20:19:51,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:51,068 INFO L225 Difference]: With dead ends: 11632 [2021-11-07 20:19:51,068 INFO L226 Difference]: Without dead ends: 11628 [2021-11-07 20:19:51,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.60ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:51,078 INFO L933 BasicCegarLoop]: 13431 mSDtfsCounter, 13471 mSDsluCounter, 13345 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13471 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.24ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.42ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:51,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13471 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 20.24ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 6.42ms Time] [2021-11-07 20:19:51,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11628 states. [2021-11-07 20:19:51,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11628 to 11628. [2021-11-07 20:19:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11628 states, 11547 states have (on average 1.1635056724690396) internal successors, (13435), 11627 states have internal predecessors, (13435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:51,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11628 states to 11628 states and 13435 transitions. [2021-11-07 20:19:51,572 INFO L78 Accepts]: Start accepts. Automaton has 11628 states and 13435 transitions. Word has length 55 [2021-11-07 20:19:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:51,572 INFO L470 AbstractCegarLoop]: Abstraction has 11628 states and 13435 transitions. [2021-11-07 20:19:51,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 11628 states and 13435 transitions. [2021-11-07 20:19:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-07 20:19:51,573 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:51,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:51,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 20:19:51,573 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:51,574 INFO L85 PathProgramCache]: Analyzing trace with hash -504754072, now seen corresponding path program 1 times [2021-11-07 20:19:51,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:51,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957375558] [2021-11-07 20:19:51,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:51,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:51,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:51,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957375558] [2021-11-07 20:19:51,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957375558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:51,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:51,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:51,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704137225] [2021-11-07 20:19:51,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:51,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:51,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:51,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:51,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:51,661 INFO L87 Difference]: Start difference. First operand 11628 states and 13435 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:52,012 INFO L93 Difference]: Finished difference Result 11628 states and 13435 transitions. [2021-11-07 20:19:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:52,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2021-11-07 20:19:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:52,028 INFO L225 Difference]: With dead ends: 11628 [2021-11-07 20:19:52,028 INFO L226 Difference]: Without dead ends: 11624 [2021-11-07 20:19:52,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.93ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:52,032 INFO L933 BasicCegarLoop]: 13427 mSDtfsCounter, 13457 mSDsluCounter, 13349 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13457 SdHoareTripleChecker+Valid, 26776 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.87ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.59ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:52,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13457 Valid, 26776 Invalid, 6 Unknown, 0 Unchecked, 19.87ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.59ms Time] [2021-11-07 20:19:52,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11624 states. [2021-11-07 20:19:52,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11624 to 11624. [2021-11-07 20:19:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11624 states, 11545 states have (on average 1.1633607622347337) internal successors, (13431), 11623 states have internal predecessors, (13431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:52,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11624 states to 11624 states and 13431 transitions. [2021-11-07 20:19:52,465 INFO L78 Accepts]: Start accepts. Automaton has 11624 states and 13431 transitions. Word has length 57 [2021-11-07 20:19:52,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:52,466 INFO L470 AbstractCegarLoop]: Abstraction has 11624 states and 13431 transitions. [2021-11-07 20:19:52,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11624 states and 13431 transitions. [2021-11-07 20:19:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 20:19:52,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:52,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:52,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 20:19:52,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:52,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:52,467 INFO L85 PathProgramCache]: Analyzing trace with hash 725546566, now seen corresponding path program 1 times [2021-11-07 20:19:52,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:52,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935117813] [2021-11-07 20:19:52,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:52,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:52,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:52,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935117813] [2021-11-07 20:19:52,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935117813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:52,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:52,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:19:52,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998055555] [2021-11-07 20:19:52,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:52,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:19:52,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:52,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:19:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:19:52,580 INFO L87 Difference]: Start difference. First operand 11624 states and 13431 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:53,127 INFO L93 Difference]: Finished difference Result 23243 states and 26856 transitions. [2021-11-07 20:19:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:19:53,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 20:19:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:53,143 INFO L225 Difference]: With dead ends: 23243 [2021-11-07 20:19:53,143 INFO L226 Difference]: Without dead ends: 11624 [2021-11-07 20:19:53,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:19:53,163 INFO L933 BasicCegarLoop]: 13265 mSDtfsCounter, 13294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13294 SdHoareTripleChecker+Valid, 13265 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.66ms SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.88ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:53,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13294 Valid, 13265 Invalid, 165 Unknown, 0 Unchecked, 13.66ms Time], IncrementalHoareTripleChecker [82 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 125.88ms Time] [2021-11-07 20:19:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11624 states. [2021-11-07 20:19:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11624 to 11624. [2021-11-07 20:19:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11624 states, 11545 states have (on average 1.1561715028150714) internal successors, (13348), 11623 states have internal predecessors, (13348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11624 states to 11624 states and 13348 transitions. [2021-11-07 20:19:53,623 INFO L78 Accepts]: Start accepts. Automaton has 11624 states and 13348 transitions. Word has length 58 [2021-11-07 20:19:53,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:53,623 INFO L470 AbstractCegarLoop]: Abstraction has 11624 states and 13348 transitions. [2021-11-07 20:19:53,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 11624 states and 13348 transitions. [2021-11-07 20:19:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-07 20:19:53,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:53,624 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:53,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 20:19:53,624 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:53,625 INFO L85 PathProgramCache]: Analyzing trace with hash 725606148, now seen corresponding path program 1 times [2021-11-07 20:19:53,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:53,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897743548] [2021-11-07 20:19:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:53,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:53,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:53,718 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897743548] [2021-11-07 20:19:53,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897743548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:53,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:53,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:53,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577696521] [2021-11-07 20:19:53,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:53,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:53,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:53,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:53,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:53,720 INFO L87 Difference]: Start difference. First operand 11624 states and 13348 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:54,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:54,564 INFO L93 Difference]: Finished difference Result 19172 states and 21936 transitions. [2021-11-07 20:19:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:19:54,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-07 20:19:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:54,667 INFO L225 Difference]: With dead ends: 19172 [2021-11-07 20:19:54,667 INFO L226 Difference]: Without dead ends: 19156 [2021-11-07 20:19:54,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:54,671 INFO L933 BasicCegarLoop]: 21888 mSDtfsCounter, 21947 mSDsluCounter, 13157 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21947 SdHoareTripleChecker+Valid, 35045 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.83ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.68ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:54,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21947 Valid, 35045 Invalid, 123 Unknown, 0 Unchecked, 34.83ms Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 118.68ms Time] [2021-11-07 20:19:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19156 states. [2021-11-07 20:19:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19156 to 11608. [2021-11-07 20:19:55,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11608 states, 11537 states have (on average 1.1555863742740746) internal successors, (13332), 11607 states have internal predecessors, (13332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:55,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11608 states to 11608 states and 13332 transitions. [2021-11-07 20:19:55,186 INFO L78 Accepts]: Start accepts. Automaton has 11608 states and 13332 transitions. Word has length 58 [2021-11-07 20:19:55,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:55,186 INFO L470 AbstractCegarLoop]: Abstraction has 11608 states and 13332 transitions. [2021-11-07 20:19:55,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 11608 states and 13332 transitions. [2021-11-07 20:19:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-07 20:19:55,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:55,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:55,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 20:19:55,188 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:55,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:55,188 INFO L85 PathProgramCache]: Analyzing trace with hash 263547404, now seen corresponding path program 1 times [2021-11-07 20:19:55,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:55,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246888383] [2021-11-07 20:19:55,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:55,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:55,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:55,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246888383] [2021-11-07 20:19:55,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246888383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:55,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:55,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:55,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298004980] [2021-11-07 20:19:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:55,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:55,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:55,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:55,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:55,295 INFO L87 Difference]: Start difference. First operand 11608 states and 13332 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:55,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:55,781 INFO L93 Difference]: Finished difference Result 11608 states and 13332 transitions. [2021-11-07 20:19:55,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:55,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-07 20:19:55,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:55,795 INFO L225 Difference]: With dead ends: 11608 [2021-11-07 20:19:55,795 INFO L226 Difference]: Without dead ends: 11604 [2021-11-07 20:19:55,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:55,798 INFO L933 BasicCegarLoop]: 13324 mSDtfsCounter, 13344 mSDsluCounter, 13254 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13344 SdHoareTripleChecker+Valid, 26578 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.54ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.98ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:55,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13344 Valid, 26578 Invalid, 6 Unknown, 0 Unchecked, 21.54ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.98ms Time] [2021-11-07 20:19:55,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11604 states. [2021-11-07 20:19:56,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11604 to 11604. [2021-11-07 20:19:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11604 states, 11535 states have (on average 1.1554399653229301) internal successors, (13328), 11603 states have internal predecessors, (13328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11604 states to 11604 states and 13328 transitions. [2021-11-07 20:19:56,358 INFO L78 Accepts]: Start accepts. Automaton has 11604 states and 13328 transitions. Word has length 59 [2021-11-07 20:19:56,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:56,358 INFO L470 AbstractCegarLoop]: Abstraction has 11604 states and 13328 transitions. [2021-11-07 20:19:56,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 11604 states and 13328 transitions. [2021-11-07 20:19:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 20:19:56,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:56,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:19:56,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 20:19:56,359 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:56,360 INFO L85 PathProgramCache]: Analyzing trace with hash -133108720, now seen corresponding path program 1 times [2021-11-07 20:19:56,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:56,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231503024] [2021-11-07 20:19:56,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:56,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:56,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:56,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:56,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231503024] [2021-11-07 20:19:56,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231503024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:56,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:56,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:19:56,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468584588] [2021-11-07 20:19:56,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:56,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:19:56,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:56,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:19:56,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:19:56,466 INFO L87 Difference]: Start difference. First operand 11604 states and 13328 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:56,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:19:56,962 INFO L93 Difference]: Finished difference Result 11604 states and 13328 transitions. [2021-11-07 20:19:56,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:19:56,962 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-07 20:19:56,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:19:56,977 INFO L225 Difference]: With dead ends: 11604 [2021-11-07 20:19:56,977 INFO L226 Difference]: Without dead ends: 11600 [2021-11-07 20:19:56,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.46ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:19:56,981 INFO L933 BasicCegarLoop]: 13320 mSDtfsCounter, 13330 mSDsluCounter, 13258 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13330 SdHoareTripleChecker+Valid, 26578 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.74ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.87ms IncrementalHoareTripleChecker+Time [2021-11-07 20:19:56,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13330 Valid, 26578 Invalid, 6 Unknown, 0 Unchecked, 20.74ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.87ms Time] [2021-11-07 20:19:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11600 states. [2021-11-07 20:19:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11600 to 11600. [2021-11-07 20:19:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11600 states, 11533 states have (on average 1.1552935055926472) internal successors, (13324), 11599 states have internal predecessors, (13324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11600 states to 11600 states and 13324 transitions. [2021-11-07 20:19:57,491 INFO L78 Accepts]: Start accepts. Automaton has 11600 states and 13324 transitions. Word has length 61 [2021-11-07 20:19:57,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:19:57,491 INFO L470 AbstractCegarLoop]: Abstraction has 11600 states and 13324 transitions. [2021-11-07 20:19:57,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:19:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 11600 states and 13324 transitions. [2021-11-07 20:19:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-07 20:19:57,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:19:57,492 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] [2021-11-07 20:19:57,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 20:19:57,493 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:19:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:19:57,493 INFO L85 PathProgramCache]: Analyzing trace with hash 922203071, now seen corresponding path program 1 times [2021-11-07 20:19:57,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:19:57,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077818174] [2021-11-07 20:19:57,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:19:57,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:19:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:19:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:19:57,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:19:57,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077818174] [2021-11-07 20:19:57,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077818174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:19:57,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:19:57,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:19:57,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720035740] [2021-11-07 20:19:57,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:19:57,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:19:57,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:19:57,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:19:57,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:19:57,641 INFO L87 Difference]: Start difference. First operand 11600 states and 13324 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 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) [2021-11-07 20:19:59,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:20:01,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:20:03,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:20:05,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:05,446 INFO L93 Difference]: Finished difference Result 40053 states and 45983 transitions. [2021-11-07 20:20:05,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:20:05,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 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 [2021-11-07 20:20:05,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:05,491 INFO L225 Difference]: With dead ends: 40053 [2021-11-07 20:20:05,492 INFO L226 Difference]: Without dead ends: 28499 [2021-11-07 20:20:05,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.99ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:20:05,518 INFO L933 BasicCegarLoop]: 19389 mSDtfsCounter, 43086 mSDsluCounter, 48398 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6000.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43086 SdHoareTripleChecker+Valid, 67787 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 158.37ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6284.47ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:05,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43086 Valid, 67787 Invalid, 45 Unknown, 0 Unchecked, 158.37ms Time], IncrementalHoareTripleChecker [16 Valid, 27 Invalid, 2 Unknown, 0 Unchecked, 6284.47ms Time] [2021-11-07 20:20:05,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28499 states. [2021-11-07 20:20:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28499 to 14029. [2021-11-07 20:20:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14029 states, 13962 states have (on average 1.159146254118321) internal successors, (16184), 14028 states have internal predecessors, (16184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14029 states to 14029 states and 16184 transitions. [2021-11-07 20:20:06,547 INFO L78 Accepts]: Start accepts. Automaton has 14029 states and 16184 transitions. Word has length 62 [2021-11-07 20:20:06,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:06,548 INFO L470 AbstractCegarLoop]: Abstraction has 14029 states and 16184 transitions. [2021-11-07 20:20:06,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 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) [2021-11-07 20:20:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 14029 states and 16184 transitions. [2021-11-07 20:20:06,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-07 20:20:06,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:06,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:06,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 20:20:06,549 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:06,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:06,549 INFO L85 PathProgramCache]: Analyzing trace with hash 932445812, now seen corresponding path program 1 times [2021-11-07 20:20:06,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:06,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100730731] [2021-11-07 20:20:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:06,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:06,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:06,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100730731] [2021-11-07 20:20:06,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100730731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:06,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:06,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:06,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124472686] [2021-11-07 20:20:06,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:06,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:06,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:06,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:06,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:06,672 INFO L87 Difference]: Start difference. First operand 14029 states and 16184 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:07,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:07,497 INFO L93 Difference]: Finished difference Result 14029 states and 16184 transitions. [2021-11-07 20:20:07,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:07,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-11-07 20:20:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:07,511 INFO L225 Difference]: With dead ends: 14029 [2021-11-07 20:20:07,511 INFO L226 Difference]: Without dead ends: 14025 [2021-11-07 20:20:07,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:07,513 INFO L933 BasicCegarLoop]: 13316 mSDtfsCounter, 13316 mSDsluCounter, 13262 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13316 SdHoareTripleChecker+Valid, 26578 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.45ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:07,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13316 Valid, 26578 Invalid, 6 Unknown, 0 Unchecked, 22.15ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.45ms Time] [2021-11-07 20:20:07,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14025 states. [2021-11-07 20:20:08,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14025 to 14025. [2021-11-07 20:20:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14025 states, 13960 states have (on average 1.159025787965616) internal successors, (16180), 14024 states have internal predecessors, (16180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14025 states to 14025 states and 16180 transitions. [2021-11-07 20:20:08,283 INFO L78 Accepts]: Start accepts. Automaton has 14025 states and 16180 transitions. Word has length 63 [2021-11-07 20:20:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:08,283 INFO L470 AbstractCegarLoop]: Abstraction has 14025 states and 16180 transitions. [2021-11-07 20:20:08,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 14025 states and 16180 transitions. [2021-11-07 20:20:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:20:08,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:08,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:08,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 20:20:08,284 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:08,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:08,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1566832328, now seen corresponding path program 1 times [2021-11-07 20:20:08,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:08,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021882026] [2021-11-07 20:20:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:08,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:08,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:08,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021882026] [2021-11-07 20:20:08,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021882026] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:08,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:08,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:08,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863274954] [2021-11-07 20:20:08,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:08,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:08,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:08,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:08,377 INFO L87 Difference]: Start difference. First operand 14025 states and 16180 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:09,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:09,179 INFO L93 Difference]: Finished difference Result 14025 states and 16180 transitions. [2021-11-07 20:20:09,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:09,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-07 20:20:09,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:09,203 INFO L225 Difference]: With dead ends: 14025 [2021-11-07 20:20:09,203 INFO L226 Difference]: Without dead ends: 14021 [2021-11-07 20:20:09,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.02ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:09,209 INFO L933 BasicCegarLoop]: 13312 mSDtfsCounter, 13302 mSDsluCounter, 13266 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13302 SdHoareTripleChecker+Valid, 26578 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.17ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:09,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13302 Valid, 26578 Invalid, 6 Unknown, 0 Unchecked, 22.53ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.17ms Time] [2021-11-07 20:20:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14021 states. [2021-11-07 20:20:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14021 to 14021. [2021-11-07 20:20:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14021 states, 13958 states have (on average 1.1589052872904428) internal successors, (16176), 14020 states have internal predecessors, (16176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14021 states to 14021 states and 16176 transitions. [2021-11-07 20:20:10,103 INFO L78 Accepts]: Start accepts. Automaton has 14021 states and 16176 transitions. Word has length 65 [2021-11-07 20:20:10,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:10,103 INFO L470 AbstractCegarLoop]: Abstraction has 14021 states and 16176 transitions. [2021-11-07 20:20:10,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand 14021 states and 16176 transitions. [2021-11-07 20:20:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-07 20:20:10,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:10,104 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:10,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 20:20:10,104 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:10,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:10,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1221895141, now seen corresponding path program 1 times [2021-11-07 20:20:10,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:10,105 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167590295] [2021-11-07 20:20:10,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:10,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:10,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:10,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167590295] [2021-11-07 20:20:10,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167590295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:10,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:10,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:20:10,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069029764] [2021-11-07 20:20:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:10,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:20:10,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:10,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:20:10,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:20:10,223 INFO L87 Difference]: Start difference. First operand 14021 states and 16176 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:12,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:20:14,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:20:16,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:16,581 INFO L93 Difference]: Finished difference Result 44817 states and 51626 transitions. [2021-11-07 20:20:16,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:20:16,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-07 20:20:16,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:16,626 INFO L225 Difference]: With dead ends: 44817 [2021-11-07 20:20:16,626 INFO L226 Difference]: Without dead ends: 30850 [2021-11-07 20:20:16,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.07ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:20:16,649 INFO L933 BasicCegarLoop]: 16557 mSDtfsCounter, 36285 mSDsluCounter, 26623 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4070.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 36285 SdHoareTripleChecker+Valid, 43180 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.19ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4297.55ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:16,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36285 Valid, 43180 Invalid, 29 Unknown, 0 Unchecked, 44.19ms Time], IncrementalHoareTripleChecker [11 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 4297.55ms Time] [2021-11-07 20:20:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30850 states. [2021-11-07 20:20:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30850 to 14018. [2021-11-07 20:20:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14018 states, 13956 states have (on average 1.1587847520779593) internal successors, (16172), 14017 states have internal predecessors, (16172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14018 states to 14018 states and 16172 transitions. [2021-11-07 20:20:17,644 INFO L78 Accepts]: Start accepts. Automaton has 14018 states and 16172 transitions. Word has length 65 [2021-11-07 20:20:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:17,644 INFO L470 AbstractCegarLoop]: Abstraction has 14018 states and 16172 transitions. [2021-11-07 20:20:17,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14018 states and 16172 transitions. [2021-11-07 20:20:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:20:17,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:17,645 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:17,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 20:20:17,645 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:17,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:17,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1808561244, now seen corresponding path program 1 times [2021-11-07 20:20:17,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:17,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104518007] [2021-11-07 20:20:17,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:17,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:17,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:17,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104518007] [2021-11-07 20:20:17,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104518007] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:17,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:17,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:17,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975664091] [2021-11-07 20:20:17,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:17,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:17,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:17,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:17,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:17,765 INFO L87 Difference]: Start difference. First operand 14018 states and 16172 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:18,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:18,807 INFO L93 Difference]: Finished difference Result 28029 states and 32336 transitions. [2021-11-07 20:20:18,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:18,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-07 20:20:18,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:18,823 INFO L225 Difference]: With dead ends: 28029 [2021-11-07 20:20:18,823 INFO L226 Difference]: Without dead ends: 14018 [2021-11-07 20:20:18,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:18,840 INFO L933 BasicCegarLoop]: 13310 mSDtfsCounter, 13305 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13305 SdHoareTripleChecker+Valid, 13310 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.30ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:18,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13305 Valid, 13310 Invalid, 1 Unknown, 0 Unchecked, 13.48ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.30ms Time] [2021-11-07 20:20:18,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14018 states. [2021-11-07 20:20:19,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14018 to 14018. [2021-11-07 20:20:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14018 states, 13956 states have (on average 1.158713098308971) internal successors, (16171), 14017 states have internal predecessors, (16171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14018 states to 14018 states and 16171 transitions. [2021-11-07 20:20:19,774 INFO L78 Accepts]: Start accepts. Automaton has 14018 states and 16171 transitions. Word has length 67 [2021-11-07 20:20:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:19,775 INFO L470 AbstractCegarLoop]: Abstraction has 14018 states and 16171 transitions. [2021-11-07 20:20:19,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 14018 states and 16171 transitions. [2021-11-07 20:20:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 20:20:19,776 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:19,776 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:19,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 20:20:19,776 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:19,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:19,777 INFO L85 PathProgramCache]: Analyzing trace with hash -524831394, now seen corresponding path program 1 times [2021-11-07 20:20:19,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:19,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175826808] [2021-11-07 20:20:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:19,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:19,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:19,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175826808] [2021-11-07 20:20:19,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175826808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:19,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:19,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:19,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801018542] [2021-11-07 20:20:19,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:19,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:19,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:19,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:19,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:19,910 INFO L87 Difference]: Start difference. First operand 14018 states and 16171 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:21,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:21,116 INFO L93 Difference]: Finished difference Result 28023 states and 32324 transitions. [2021-11-07 20:20:21,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-07 20:20:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:21,133 INFO L225 Difference]: With dead ends: 28023 [2021-11-07 20:20:21,133 INFO L226 Difference]: Without dead ends: 14018 [2021-11-07 20:20:21,150 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 [2021-11-07 20:20:21,151 INFO L933 BasicCegarLoop]: 13300 mSDtfsCounter, 13300 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13300 SdHoareTripleChecker+Valid, 13300 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.59ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.31ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:21,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13300 Valid, 13300 Invalid, 10 Unknown, 0 Unchecked, 14.59ms Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 9.31ms Time] [2021-11-07 20:20:21,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14018 states. [2021-11-07 20:20:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14018 to 14018. [2021-11-07 20:20:22,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14018 states, 13956 states have (on average 1.158426483233018) internal successors, (16167), 14017 states have internal predecessors, (16167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:22,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14018 states to 14018 states and 16167 transitions. [2021-11-07 20:20:22,200 INFO L78 Accepts]: Start accepts. Automaton has 14018 states and 16167 transitions. Word has length 67 [2021-11-07 20:20:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:22,200 INFO L470 AbstractCegarLoop]: Abstraction has 14018 states and 16167 transitions. [2021-11-07 20:20:22,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14018 states and 16167 transitions. [2021-11-07 20:20:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:20:22,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:22,215 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] [2021-11-07 20:20:22,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 20:20:22,215 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:22,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2073453932, now seen corresponding path program 1 times [2021-11-07 20:20:22,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:22,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439470932] [2021-11-07 20:20:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:22,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:22,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:22,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439470932] [2021-11-07 20:20:22,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439470932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:22,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:22,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:22,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956545061] [2021-11-07 20:20:22,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:22,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:22,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:22,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:22,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:22,310 INFO L87 Difference]: Start difference. First operand 14018 states and 16167 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:23,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:23,481 INFO L93 Difference]: Finished difference Result 28022 states and 32319 transitions. [2021-11-07 20:20:23,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:23,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-11-07 20:20:23,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:23,501 INFO L225 Difference]: With dead ends: 28022 [2021-11-07 20:20:23,501 INFO L226 Difference]: Without dead ends: 14017 [2021-11-07 20:20:23,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.95ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:23,518 INFO L933 BasicCegarLoop]: 13300 mSDtfsCounter, 13294 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13294 SdHoareTripleChecker+Valid, 13300 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.73ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:23,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13294 Valid, 13300 Invalid, 5 Unknown, 0 Unchecked, 14.37ms Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 4.73ms Time] [2021-11-07 20:20:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14017 states. [2021-11-07 20:20:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14017 to 14017. [2021-11-07 20:20:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14017 states, 13955 states have (on average 1.158366176997492) internal successors, (16165), 14016 states have internal predecessors, (16165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14017 states to 14017 states and 16165 transitions. [2021-11-07 20:20:24,602 INFO L78 Accepts]: Start accepts. Automaton has 14017 states and 16165 transitions. Word has length 71 [2021-11-07 20:20:24,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:24,602 INFO L470 AbstractCegarLoop]: Abstraction has 14017 states and 16165 transitions. [2021-11-07 20:20:24,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14017 states and 16165 transitions. [2021-11-07 20:20:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:20:24,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:24,603 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] [2021-11-07 20:20:24,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 20:20:24,603 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:24,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1310930220, now seen corresponding path program 1 times [2021-11-07 20:20:24,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:24,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957834886] [2021-11-07 20:20:24,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:24,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:24,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:24,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957834886] [2021-11-07 20:20:24,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957834886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:24,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:24,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:24,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943121598] [2021-11-07 20:20:24,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:24,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:24,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:24,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:24,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:24,683 INFO L87 Difference]: Start difference. First operand 14017 states and 16165 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:25,912 INFO L93 Difference]: Finished difference Result 28019 states and 32313 transitions. [2021-11-07 20:20:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:25,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-11-07 20:20:25,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:25,932 INFO L225 Difference]: With dead ends: 28019 [2021-11-07 20:20:25,932 INFO L226 Difference]: Without dead ends: 14017 [2021-11-07 20:20:25,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:25,952 INFO L933 BasicCegarLoop]: 13293 mSDtfsCounter, 13285 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13285 SdHoareTripleChecker+Valid, 13293 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.74ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.26ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:25,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13285 Valid, 13293 Invalid, 11 Unknown, 0 Unchecked, 13.74ms Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 13.26ms Time] [2021-11-07 20:20:25,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14017 states. [2021-11-07 20:20:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14017 to 14017. [2021-11-07 20:20:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14017 states, 13955 states have (on average 1.1578645646721606) internal successors, (16158), 14016 states have internal predecessors, (16158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14017 states to 14017 states and 16158 transitions. [2021-11-07 20:20:27,089 INFO L78 Accepts]: Start accepts. Automaton has 14017 states and 16158 transitions. Word has length 71 [2021-11-07 20:20:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:27,089 INFO L470 AbstractCegarLoop]: Abstraction has 14017 states and 16158 transitions. [2021-11-07 20:20:27,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 14017 states and 16158 transitions. [2021-11-07 20:20:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:20:27,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:27,090 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] [2021-11-07 20:20:27,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 20:20:27,090 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:27,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:27,090 INFO L85 PathProgramCache]: Analyzing trace with hash -50012970, now seen corresponding path program 1 times [2021-11-07 20:20:27,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:27,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330514939] [2021-11-07 20:20:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:27,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:27,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:27,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330514939] [2021-11-07 20:20:27,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330514939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:27,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:27,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:27,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737066605] [2021-11-07 20:20:27,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:27,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:27,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:27,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:27,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:27,184 INFO L87 Difference]: Start difference. First operand 14017 states and 16158 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:28,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:28,423 INFO L93 Difference]: Finished difference Result 27970 states and 32226 transitions. [2021-11-07 20:20:28,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:28,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-11-07 20:20:28,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:28,443 INFO L225 Difference]: With dead ends: 27970 [2021-11-07 20:20:28,443 INFO L226 Difference]: Without dead ends: 13969 [2021-11-07 20:20:28,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.61ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:28,467 INFO L933 BasicCegarLoop]: 13227 mSDtfsCounter, 13218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13218 SdHoareTripleChecker+Valid, 13227 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.32ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.37ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:28,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13218 Valid, 13227 Invalid, 11 Unknown, 0 Unchecked, 14.32ms Time], IncrementalHoareTripleChecker [5 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 11.37ms Time] [2021-11-07 20:20:28,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13969 states. [2021-11-07 20:20:29,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13969 to 13969. [2021-11-07 20:20:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13969 states, 13907 states have (on average 1.1561803408355504) internal successors, (16079), 13968 states have internal predecessors, (16079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:29,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13969 states to 13969 states and 16079 transitions. [2021-11-07 20:20:29,648 INFO L78 Accepts]: Start accepts. Automaton has 13969 states and 16079 transitions. Word has length 71 [2021-11-07 20:20:29,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:29,648 INFO L470 AbstractCegarLoop]: Abstraction has 13969 states and 16079 transitions. [2021-11-07 20:20:29,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 13969 states and 16079 transitions. [2021-11-07 20:20:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:20:29,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:29,649 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] [2021-11-07 20:20:29,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 20:20:29,650 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:29,650 INFO L85 PathProgramCache]: Analyzing trace with hash -9338220, now seen corresponding path program 1 times [2021-11-07 20:20:29,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:29,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837126411] [2021-11-07 20:20:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:29,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:29,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:29,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837126411] [2021-11-07 20:20:29,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837126411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:29,735 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:29,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:20:29,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623625507] [2021-11-07 20:20:29,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:29,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:20:29,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:20:29,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:29,736 INFO L87 Difference]: Start difference. First operand 13969 states and 16079 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:31,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:31,705 INFO L93 Difference]: Finished difference Result 36737 states and 42502 transitions. [2021-11-07 20:20:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:20:31,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-11-07 20:20:31,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:31,738 INFO L225 Difference]: With dead ends: 36737 [2021-11-07 20:20:31,738 INFO L226 Difference]: Without dead ends: 22785 [2021-11-07 20:20:31,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:20:31,761 INFO L933 BasicCegarLoop]: 13221 mSDtfsCounter, 8481 mSDsluCounter, 13164 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8481 SdHoareTripleChecker+Valid, 26385 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.32ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.76ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:31,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8481 Valid, 26385 Invalid, 41 Unknown, 0 Unchecked, 21.32ms Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 35.76ms Time] [2021-11-07 20:20:31,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22785 states. [2021-11-07 20:20:33,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22785 to 20970. [2021-11-07 20:20:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20970 states, 20908 states have (on average 1.1691218672278554) internal successors, (24444), 20969 states have internal predecessors, (24444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20970 states to 20970 states and 24444 transitions. [2021-11-07 20:20:33,649 INFO L78 Accepts]: Start accepts. Automaton has 20970 states and 24444 transitions. Word has length 71 [2021-11-07 20:20:33,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:33,649 INFO L470 AbstractCegarLoop]: Abstraction has 20970 states and 24444 transitions. [2021-11-07 20:20:33,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 2 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:33,650 INFO L276 IsEmpty]: Start isEmpty. Operand 20970 states and 24444 transitions. [2021-11-07 20:20:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 20:20:33,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:33,650 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] [2021-11-07 20:20:33,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 20:20:33,651 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:33,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:33,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1377447190, now seen corresponding path program 1 times [2021-11-07 20:20:33,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:33,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761737705] [2021-11-07 20:20:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:33,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:33,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:33,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761737705] [2021-11-07 20:20:33,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761737705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:33,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:33,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:33,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603625256] [2021-11-07 20:20:33,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:33,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:33,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:33,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:33,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:33,750 INFO L87 Difference]: Start difference. First operand 20970 states and 24444 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:35,445 INFO L93 Difference]: Finished difference Result 20970 states and 24444 transitions. [2021-11-07 20:20:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:35,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2021-11-07 20:20:35,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:35,473 INFO L225 Difference]: With dead ends: 20970 [2021-11-07 20:20:35,473 INFO L226 Difference]: Without dead ends: 20966 [2021-11-07 20:20:35,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.56ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:35,479 INFO L933 BasicCegarLoop]: 13224 mSDtfsCounter, 13200 mSDsluCounter, 13186 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13200 SdHoareTripleChecker+Valid, 26410 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.07ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.84ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:35,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13200 Valid, 26410 Invalid, 6 Unknown, 0 Unchecked, 22.07ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.84ms Time] [2021-11-07 20:20:35,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20966 states. [2021-11-07 20:20:37,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20966 to 20966. [2021-11-07 20:20:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20966 states, 20906 states have (on average 1.1690423801779393) internal successors, (24440), 20965 states have internal predecessors, (24440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20966 states to 20966 states and 24440 transitions. [2021-11-07 20:20:37,291 INFO L78 Accepts]: Start accepts. Automaton has 20966 states and 24440 transitions. Word has length 71 [2021-11-07 20:20:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:37,291 INFO L470 AbstractCegarLoop]: Abstraction has 20966 states and 24440 transitions. [2021-11-07 20:20:37,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20966 states and 24440 transitions. [2021-11-07 20:20:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-07 20:20:37,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:37,292 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] [2021-11-07 20:20:37,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 20:20:37,292 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:37,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:37,292 INFO L85 PathProgramCache]: Analyzing trace with hash 877730330, now seen corresponding path program 1 times [2021-11-07 20:20:37,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:37,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29754591] [2021-11-07 20:20:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:37,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:37,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29754591] [2021-11-07 20:20:37,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29754591] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:37,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:37,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:37,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865924018] [2021-11-07 20:20:37,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:37,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:37,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:37,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:37,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:37,381 INFO L87 Difference]: Start difference. First operand 20966 states and 24440 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 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) [2021-11-07 20:20:39,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:39,195 INFO L93 Difference]: Finished difference Result 20966 states and 24440 transitions. [2021-11-07 20:20:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 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 [2021-11-07 20:20:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:39,216 INFO L225 Difference]: With dead ends: 20966 [2021-11-07 20:20:39,216 INFO L226 Difference]: Without dead ends: 20962 [2021-11-07 20:20:39,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.10ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:39,221 INFO L933 BasicCegarLoop]: 13220 mSDtfsCounter, 13186 mSDsluCounter, 13190 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13186 SdHoareTripleChecker+Valid, 26410 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.71ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.59ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:39,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13186 Valid, 26410 Invalid, 6 Unknown, 0 Unchecked, 23.71ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.59ms Time] [2021-11-07 20:20:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20962 states. [2021-11-07 20:20:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20962 to 20962. [2021-11-07 20:20:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20962 states, 20904 states have (on average 1.1689628779181018) internal successors, (24436), 20961 states have internal predecessors, (24436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20962 states to 20962 states and 24436 transitions. [2021-11-07 20:20:40,958 INFO L78 Accepts]: Start accepts. Automaton has 20962 states and 24436 transitions. Word has length 73 [2021-11-07 20:20:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:40,958 INFO L470 AbstractCegarLoop]: Abstraction has 20962 states and 24436 transitions. [2021-11-07 20:20:40,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 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) [2021-11-07 20:20:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 20962 states and 24436 transitions. [2021-11-07 20:20:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 20:20:40,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:40,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:40,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 20:20:40,959 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1686165374, now seen corresponding path program 1 times [2021-11-07 20:20:40,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:40,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356866256] [2021-11-07 20:20:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:40,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:41,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:41,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356866256] [2021-11-07 20:20:41,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356866256] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:41,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:41,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:41,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116142095] [2021-11-07 20:20:41,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:41,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:41,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:41,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:41,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:41,071 INFO L87 Difference]: Start difference. First operand 20962 states and 24436 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:42,828 INFO L93 Difference]: Finished difference Result 20962 states and 24436 transitions. [2021-11-07 20:20:42,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:42,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-07 20:20:42,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:42,857 INFO L225 Difference]: With dead ends: 20962 [2021-11-07 20:20:42,857 INFO L226 Difference]: Without dead ends: 20958 [2021-11-07 20:20:42,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:42,864 INFO L933 BasicCegarLoop]: 13216 mSDtfsCounter, 13172 mSDsluCounter, 13194 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13172 SdHoareTripleChecker+Valid, 26410 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.21ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.65ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:42,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13172 Valid, 26410 Invalid, 6 Unknown, 0 Unchecked, 22.21ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.65ms Time] [2021-11-07 20:20:42,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20958 states. [2021-11-07 20:20:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20958 to 20958. [2021-11-07 20:20:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20958 states, 20902 states have (on average 1.1688833604439766) internal successors, (24432), 20957 states have internal predecessors, (24432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20958 states to 20958 states and 24432 transitions. [2021-11-07 20:20:44,723 INFO L78 Accepts]: Start accepts. Automaton has 20958 states and 24432 transitions. Word has length 75 [2021-11-07 20:20:44,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:44,723 INFO L470 AbstractCegarLoop]: Abstraction has 20958 states and 24432 transitions. [2021-11-07 20:20:44,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 20958 states and 24432 transitions. [2021-11-07 20:20:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-07 20:20:44,724 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:44,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:44,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 20:20:44,724 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr71ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:44,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:44,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1203162434, now seen corresponding path program 1 times [2021-11-07 20:20:44,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:44,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816366680] [2021-11-07 20:20:44,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:44,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:44,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:44,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816366680] [2021-11-07 20:20:44,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816366680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:44,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:44,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:44,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918611394] [2021-11-07 20:20:44,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:44,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:44,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:44,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:44,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:44,829 INFO L87 Difference]: Start difference. First operand 20958 states and 24432 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:46,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:46,681 INFO L93 Difference]: Finished difference Result 20958 states and 24432 transitions. [2021-11-07 20:20:46,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:46,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-11-07 20:20:46,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:46,710 INFO L225 Difference]: With dead ends: 20958 [2021-11-07 20:20:46,711 INFO L226 Difference]: Without dead ends: 20954 [2021-11-07 20:20:46,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.14ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:46,718 INFO L933 BasicCegarLoop]: 13212 mSDtfsCounter, 13158 mSDsluCounter, 13198 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13158 SdHoareTripleChecker+Valid, 26410 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.63ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.97ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:46,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13158 Valid, 26410 Invalid, 6 Unknown, 0 Unchecked, 23.63ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.97ms Time] [2021-11-07 20:20:46,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20954 states. [2021-11-07 20:20:48,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20954 to 20954. [2021-11-07 20:20:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20954 states, 20900 states have (on average 1.168803827751196) internal successors, (24428), 20953 states have internal predecessors, (24428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20954 states to 20954 states and 24428 transitions. [2021-11-07 20:20:48,651 INFO L78 Accepts]: Start accepts. Automaton has 20954 states and 24428 transitions. Word has length 77 [2021-11-07 20:20:48,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:48,651 INFO L470 AbstractCegarLoop]: Abstraction has 20954 states and 24428 transitions. [2021-11-07 20:20:48,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 20954 states and 24428 transitions. [2021-11-07 20:20:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-07 20:20:48,652 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:48,652 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:20:48,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-07 20:20:48,653 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:48,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:48,653 INFO L85 PathProgramCache]: Analyzing trace with hash 893805414, now seen corresponding path program 1 times [2021-11-07 20:20:48,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:48,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517496071] [2021-11-07 20:20:48,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:48,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:48,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:48,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:48,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517496071] [2021-11-07 20:20:48,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517496071] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:48,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:48,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:48,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622729163] [2021-11-07 20:20:48,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:48,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:48,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:48,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:48,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:48,754 INFO L87 Difference]: Start difference. First operand 20954 states and 24428 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:50,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:50,660 INFO L93 Difference]: Finished difference Result 20954 states and 24428 transitions. [2021-11-07 20:20:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:50,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-11-07 20:20:50,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:50,691 INFO L225 Difference]: With dead ends: 20954 [2021-11-07 20:20:50,692 INFO L226 Difference]: Without dead ends: 20950 [2021-11-07 20:20:50,697 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.84ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:50,697 INFO L933 BasicCegarLoop]: 13208 mSDtfsCounter, 13144 mSDsluCounter, 13202 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13144 SdHoareTripleChecker+Valid, 26410 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.69ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.94ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:50,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13144 Valid, 26410 Invalid, 6 Unknown, 0 Unchecked, 23.69ms Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 4.94ms Time] [2021-11-07 20:20:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20950 states. [2021-11-07 20:20:52,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20950 to 20950. [2021-11-07 20:20:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20950 states, 20898 states have (on average 1.168724279835391) internal successors, (24424), 20949 states have internal predecessors, (24424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20950 states to 20950 states and 24424 transitions. [2021-11-07 20:20:52,742 INFO L78 Accepts]: Start accepts. Automaton has 20950 states and 24424 transitions. Word has length 79 [2021-11-07 20:20:52,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:52,743 INFO L470 AbstractCegarLoop]: Abstraction has 20950 states and 24424 transitions. [2021-11-07 20:20:52,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:52,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20950 states and 24424 transitions. [2021-11-07 20:20:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 20:20:52,744 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:52,744 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] [2021-11-07 20:20:52,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-07 20:20:52,744 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:52,745 INFO L85 PathProgramCache]: Analyzing trace with hash -45547030, now seen corresponding path program 1 times [2021-11-07 20:20:52,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:52,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154909095] [2021-11-07 20:20:52,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:52,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:52,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:52,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:52,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154909095] [2021-11-07 20:20:52,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154909095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:52,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:52,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:20:52,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338845886] [2021-11-07 20:20:52,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:52,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:52,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:52,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:52,854 INFO L87 Difference]: Start difference. First operand 20950 states and 24424 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:20:54,755 INFO L93 Difference]: Finished difference Result 20950 states and 24424 transitions. [2021-11-07 20:20:54,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:20:54,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-07 20:20:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:20:54,783 INFO L225 Difference]: With dead ends: 20950 [2021-11-07 20:20:54,783 INFO L226 Difference]: Without dead ends: 20843 [2021-11-07 20:20:54,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:20:54,787 INFO L933 BasicCegarLoop]: 13206 mSDtfsCounter, 13130 mSDsluCounter, 13206 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13130 SdHoareTripleChecker+Valid, 26412 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.36ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.43ms IncrementalHoareTripleChecker+Time [2021-11-07 20:20:54,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13130 Valid, 26412 Invalid, 4 Unknown, 0 Unchecked, 23.36ms Time], IncrementalHoareTripleChecker [2 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 2.43ms Time] [2021-11-07 20:20:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20843 states. [2021-11-07 20:20:56,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20843 to 20843. [2021-11-07 20:20:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20843 states, 20793 states have (on average 1.1691434617419323) internal successors, (24310), 20842 states have internal predecessors, (24310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20843 states to 20843 states and 24310 transitions. [2021-11-07 20:20:56,740 INFO L78 Accepts]: Start accepts. Automaton has 20843 states and 24310 transitions. Word has length 81 [2021-11-07 20:20:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:20:56,740 INFO L470 AbstractCegarLoop]: Abstraction has 20843 states and 24310 transitions. [2021-11-07 20:20:56,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 20843 states and 24310 transitions. [2021-11-07 20:20:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 20:20:56,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:20:56,741 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] [2021-11-07 20:20:56,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-07 20:20:56,741 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr75ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:20:56,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:20:56,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1432063170, now seen corresponding path program 1 times [2021-11-07 20:20:56,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:20:56,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513779278] [2021-11-07 20:20:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:20:56,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:20:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:20:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:20:56,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:20:56,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513779278] [2021-11-07 20:20:56,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513779278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:20:56,830 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:20:56,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:20:56,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819093241] [2021-11-07 20:20:56,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:20:56,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:20:56,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:20:56,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:20:56,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 20:20:56,831 INFO L87 Difference]: Start difference. First operand 20843 states and 24310 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:20:58,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:21:03,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:03,062 INFO L93 Difference]: Finished difference Result 41156 states and 48035 transitions. [2021-11-07 20:21:03,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 20:21:03,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2021-11-07 20:21:03,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:03,118 INFO L225 Difference]: With dead ends: 41156 [2021-11-07 20:21:03,118 INFO L226 Difference]: Without dead ends: 38963 [2021-11-07 20:21:03,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.73ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:21:03,135 INFO L933 BasicCegarLoop]: 25834 mSDtfsCounter, 17465 mSDsluCounter, 29809 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 51 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2196.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 17465 SdHoareTripleChecker+Valid, 55643 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.98ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2388.24ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:03,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17465 Valid, 55643 Invalid, 190 Unknown, 0 Unchecked, 43.98ms Time], IncrementalHoareTripleChecker [51 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 2388.24ms Time] [2021-11-07 20:21:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38963 states. [2021-11-07 20:21:05,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38963 to 19722. [2021-11-07 20:21:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19722 states, 19695 states have (on average 1.1677075399847676) internal successors, (22998), 19721 states have internal predecessors, (22998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19722 states to 19722 states and 22998 transitions. [2021-11-07 20:21:05,293 INFO L78 Accepts]: Start accepts. Automaton has 19722 states and 22998 transitions. Word has length 82 [2021-11-07 20:21:05,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:05,293 INFO L470 AbstractCegarLoop]: Abstraction has 19722 states and 22998 transitions. [2021-11-07 20:21:05,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 19722 states and 22998 transitions. [2021-11-07 20:21:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-07 20:21:05,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:05,295 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:05,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-07 20:21:05,295 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:05,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:05,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1236170861, now seen corresponding path program 1 times [2021-11-07 20:21:05,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:05,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822494570] [2021-11-07 20:21:05,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:05,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:05,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:05,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822494570] [2021-11-07 20:21:05,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822494570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:05,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:05,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 20:21:05,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141982883] [2021-11-07 20:21:05,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:05,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 20:21:05,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 20:21:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:21:05,462 INFO L87 Difference]: Start difference. First operand 19722 states and 22998 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:09,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:09,743 INFO L93 Difference]: Finished difference Result 57628 states and 67124 transitions. [2021-11-07 20:21:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:21:09,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2021-11-07 20:21:09,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:09,796 INFO L225 Difference]: With dead ends: 57628 [2021-11-07 20:21:09,796 INFO L226 Difference]: Without dead ends: 37959 [2021-11-07 20:21:09,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 21.52ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 20:21:09,827 INFO L933 BasicCegarLoop]: 22916 mSDtfsCounter, 32199 mSDsluCounter, 27570 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32199 SdHoareTripleChecker+Valid, 50486 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 48.88ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.88ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:09,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32199 Valid, 50486 Invalid, 127 Unknown, 0 Unchecked, 48.88ms Time], IncrementalHoareTripleChecker [23 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 125.88ms Time] [2021-11-07 20:21:09,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37959 states. [2021-11-07 20:21:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37959 to 19722. [2021-11-07 20:21:12,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19722 states, 19695 states have (on average 1.1665905052043666) internal successors, (22976), 19721 states have internal predecessors, (22976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19722 states to 19722 states and 22976 transitions. [2021-11-07 20:21:12,184 INFO L78 Accepts]: Start accepts. Automaton has 19722 states and 22976 transitions. Word has length 115 [2021-11-07 20:21:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:12,184 INFO L470 AbstractCegarLoop]: Abstraction has 19722 states and 22976 transitions. [2021-11-07 20:21:12,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 19722 states and 22976 transitions. [2021-11-07 20:21:12,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-07 20:21:12,186 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:12,186 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] [2021-11-07 20:21:12,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-07 20:21:12,186 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1236230443, now seen corresponding path program 1 times [2021-11-07 20:21:12,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:12,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615400211] [2021-11-07 20:21:12,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:12,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:12,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:12,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:12,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615400211] [2021-11-07 20:21:12,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615400211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:12,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:12,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 20:21:12,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486304333] [2021-11-07 20:21:12,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:12,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 20:21:12,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:12,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 20:21:12,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 20:21:12,316 INFO L87 Difference]: Start difference. First operand 19722 states and 22976 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:14,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 20:21:28,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:28,521 INFO L93 Difference]: Finished difference Result 111417 states and 129231 transitions. [2021-11-07 20:21:28,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 20:21:28,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2021-11-07 20:21:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:28,723 INFO L225 Difference]: With dead ends: 111417 [2021-11-07 20:21:28,723 INFO L226 Difference]: Without dead ends: 111391 [2021-11-07 20:21:28,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 71.59ms TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-07 20:21:28,754 INFO L933 BasicCegarLoop]: 33126 mSDtfsCounter, 67882 mSDsluCounter, 95637 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 113 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2237.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67882 SdHoareTripleChecker+Valid, 128763 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 131.52ms SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2396.26ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:28,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67882 Valid, 128763 Invalid, 294 Unknown, 0 Unchecked, 131.52ms Time], IncrementalHoareTripleChecker [113 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 2396.26ms Time] [2021-11-07 20:21:28,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111391 states. [2021-11-07 20:21:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111391 to 19732. [2021-11-07 20:21:32,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19732 states, 19713 states have (on average 1.1653223760969917) internal successors, (22972), 19731 states have internal predecessors, (22972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19732 states to 19732 states and 22972 transitions. [2021-11-07 20:21:32,077 INFO L78 Accepts]: Start accepts. Automaton has 19732 states and 22972 transitions. Word has length 115 [2021-11-07 20:21:32,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:32,078 INFO L470 AbstractCegarLoop]: Abstraction has 19732 states and 22972 transitions. [2021-11-07 20:21:32,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 19732 states and 22972 transitions. [2021-11-07 20:21:32,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-07 20:21:32,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:32,079 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:32,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-07 20:21:32,079 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash -776454756, now seen corresponding path program 1 times [2021-11-07 20:21:32,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:32,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789100809] [2021-11-07 20:21:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:32,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:32,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:32,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:32,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789100809] [2021-11-07 20:21:32,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789100809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:32,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:32,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 20:21:32,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591918745] [2021-11-07 20:21:32,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:32,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:21:32,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:32,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:21:32,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:32,276 INFO L87 Difference]: Start difference. First operand 19732 states and 22972 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:35,112 INFO L93 Difference]: Finished difference Result 39350 states and 45804 transitions. [2021-11-07 20:21:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:21:35,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 118 [2021-11-07 20:21:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:35,135 INFO L225 Difference]: With dead ends: 39350 [2021-11-07 20:21:35,135 INFO L226 Difference]: Without dead ends: 19671 [2021-11-07 20:21:35,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.08ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:35,162 INFO L933 BasicCegarLoop]: 11744 mSDtfsCounter, 11642 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11642 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.53ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.39ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:35,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11642 Valid, 11744 Invalid, 25 Unknown, 0 Unchecked, 14.53ms Time], IncrementalHoareTripleChecker [12 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 24.39ms Time] [2021-11-07 20:21:35,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19671 states. [2021-11-07 20:21:37,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19671 to 19671. [2021-11-07 20:21:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19671 states, 19665 states have (on average 1.1621662852784134) internal successors, (22854), 19670 states have internal predecessors, (22854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19671 states to 19671 states and 22854 transitions. [2021-11-07 20:21:37,903 INFO L78 Accepts]: Start accepts. Automaton has 19671 states and 22854 transitions. Word has length 118 [2021-11-07 20:21:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:37,904 INFO L470 AbstractCegarLoop]: Abstraction has 19671 states and 22854 transitions. [2021-11-07 20:21:37,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 19671 states and 22854 transitions. [2021-11-07 20:21:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-07 20:21:37,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:37,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:37,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-07 20:21:37,906 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:37,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:37,907 INFO L85 PathProgramCache]: Analyzing trace with hash -776162453, now seen corresponding path program 1 times [2021-11-07 20:21:37,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:37,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429172909] [2021-11-07 20:21:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:37,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:37,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:37,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429172909] [2021-11-07 20:21:37,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429172909] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:37,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:37,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:21:37,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275168808] [2021-11-07 20:21:37,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:37,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:21:37,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:37,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:21:37,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:37,999 INFO L87 Difference]: Start difference. First operand 19671 states and 22854 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:40,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:40,925 INFO L93 Difference]: Finished difference Result 39293 states and 45659 transitions. [2021-11-07 20:21:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:21:40,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2021-11-07 20:21:40,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:40,949 INFO L225 Difference]: With dead ends: 39293 [2021-11-07 20:21:40,949 INFO L226 Difference]: Without dead ends: 19675 [2021-11-07 20:21:40,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:40,977 INFO L933 BasicCegarLoop]: 11756 mSDtfsCounter, 1 mSDsluCounter, 11749 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 23505 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.03ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.88ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:40,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 23505 Invalid, 8 Unknown, 0 Unchecked, 15.03ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 7.88ms Time] [2021-11-07 20:21:40,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19675 states. [2021-11-07 20:21:43,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19675 to 19673. [2021-11-07 20:21:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19673 states, 19667 states have (on average 1.1621497940712868) internal successors, (22856), 19672 states have internal predecessors, (22856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19673 states to 19673 states and 22856 transitions. [2021-11-07 20:21:43,745 INFO L78 Accepts]: Start accepts. Automaton has 19673 states and 22856 transitions. Word has length 142 [2021-11-07 20:21:43,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:43,746 INFO L470 AbstractCegarLoop]: Abstraction has 19673 states and 22856 transitions. [2021-11-07 20:21:43,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 19673 states and 22856 transitions. [2021-11-07 20:21:43,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-07 20:21:43,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:43,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:43,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-07 20:21:43,748 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:43,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:43,749 INFO L85 PathProgramCache]: Analyzing trace with hash 191188201, now seen corresponding path program 1 times [2021-11-07 20:21:43,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:43,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801362316] [2021-11-07 20:21:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:43,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:43,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:43,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801362316] [2021-11-07 20:21:43,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801362316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:43,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:43,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:21:43,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886509082] [2021-11-07 20:21:43,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:43,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:21:43,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:21:43,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:43,842 INFO L87 Difference]: Start difference. First operand 19673 states and 22856 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:46,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:46,999 INFO L93 Difference]: Finished difference Result 39396 states and 45861 transitions. [2021-11-07 20:21:47,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:21:47,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2021-11-07 20:21:47,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:47,024 INFO L225 Difference]: With dead ends: 39396 [2021-11-07 20:21:47,024 INFO L226 Difference]: Without dead ends: 19776 [2021-11-07 20:21:47,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:47,050 INFO L933 BasicCegarLoop]: 11722 mSDtfsCounter, 0 mSDsluCounter, 11535 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23257 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.24ms SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 231.92ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:47,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23257 Invalid, 296 Unknown, 0 Unchecked, 15.24ms Time], IncrementalHoareTripleChecker [72 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 231.92ms Time] [2021-11-07 20:21:47,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19776 states. [2021-11-07 20:21:49,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19776 to 19776. [2021-11-07 20:21:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19776 states, 19770 states have (on average 1.1613050075872535) internal successors, (22959), 19775 states have internal predecessors, (22959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19776 states to 19776 states and 22959 transitions. [2021-11-07 20:21:49,739 INFO L78 Accepts]: Start accepts. Automaton has 19776 states and 22959 transitions. Word has length 142 [2021-11-07 20:21:49,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:49,740 INFO L470 AbstractCegarLoop]: Abstraction has 19776 states and 22959 transitions. [2021-11-07 20:21:49,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 19776 states and 22959 transitions. [2021-11-07 20:21:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-07 20:21:49,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:49,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:49,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-07 20:21:49,742 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:49,742 INFO L85 PathProgramCache]: Analyzing trace with hash 544276583, now seen corresponding path program 1 times [2021-11-07 20:21:49,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:49,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511448899] [2021-11-07 20:21:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:49,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:49,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:49,837 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511448899] [2021-11-07 20:21:49,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511448899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:49,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:49,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:21:49,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380594188] [2021-11-07 20:21:49,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:49,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:21:49,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:49,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:21:49,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:49,841 INFO L87 Difference]: Start difference. First operand 19776 states and 22959 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:52,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:52,633 INFO L93 Difference]: Finished difference Result 39585 states and 45965 transitions. [2021-11-07 20:21:52,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:21:52,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2021-11-07 20:21:52,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:52,659 INFO L225 Difference]: With dead ends: 39585 [2021-11-07 20:21:52,659 INFO L226 Difference]: Without dead ends: 19862 [2021-11-07 20:21:52,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:52,688 INFO L933 BasicCegarLoop]: 11752 mSDtfsCounter, 48 mSDsluCounter, 11748 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 23500 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.84ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:52,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 23500 Invalid, 14 Unknown, 0 Unchecked, 15.16ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 14.84ms Time] [2021-11-07 20:21:52,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19862 states. [2021-11-07 20:21:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19862 to 19780. [2021-11-07 20:21:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19780 states, 19774 states have (on average 1.1612723778699303) internal successors, (22963), 19779 states have internal predecessors, (22963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19780 states to 19780 states and 22963 transitions. [2021-11-07 20:21:55,382 INFO L78 Accepts]: Start accepts. Automaton has 19780 states and 22963 transitions. Word has length 142 [2021-11-07 20:21:55,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:21:55,382 INFO L470 AbstractCegarLoop]: Abstraction has 19780 states and 22963 transitions. [2021-11-07 20:21:55,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:55,382 INFO L276 IsEmpty]: Start isEmpty. Operand 19780 states and 22963 transitions. [2021-11-07 20:21:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-07 20:21:55,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:21:55,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:21:55,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-07 20:21:55,385 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:21:55,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:21:55,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1511837835, now seen corresponding path program 1 times [2021-11-07 20:21:55,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:21:55,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988699428] [2021-11-07 20:21:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:21:55,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:21:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:21:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 20:21:55,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:21:55,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988699428] [2021-11-07 20:21:55,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988699428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:21:55,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:21:55,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:21:55,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960024683] [2021-11-07 20:21:55,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:21:55,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:21:55,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:21:55,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:21:55,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:55,526 INFO L87 Difference]: Start difference. First operand 19780 states and 22963 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:21:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:21:58,577 INFO L93 Difference]: Finished difference Result 39551 states and 45935 transitions. [2021-11-07 20:21:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:21:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2021-11-07 20:21:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:21:58,600 INFO L225 Difference]: With dead ends: 39551 [2021-11-07 20:21:58,600 INFO L226 Difference]: Without dead ends: 19824 [2021-11-07 20:21:58,623 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.72ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:21:58,623 INFO L933 BasicCegarLoop]: 11737 mSDtfsCounter, 10 mSDsluCounter, 11717 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 294.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23454 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.99ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 325.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:21:58,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 23454 Invalid, 68 Unknown, 0 Unchecked, 14.99ms Time], IncrementalHoareTripleChecker [18 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 325.95ms Time] [2021-11-07 20:21:58,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19824 states. [2021-11-07 20:22:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19824 to 19802. [2021-11-07 20:22:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19802 states, 19796 states have (on average 1.1610931501313397) internal successors, (22985), 19801 states have internal predecessors, (22985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 22985 transitions. [2021-11-07 20:22:01,283 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 22985 transitions. Word has length 151 [2021-11-07 20:22:01,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:22:01,284 INFO L470 AbstractCegarLoop]: Abstraction has 19802 states and 22985 transitions. [2021-11-07 20:22:01,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 22985 transitions. [2021-11-07 20:22:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-07 20:22:01,287 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:22:01,287 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:22:01,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-07 20:22:01,287 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:22:01,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:22:01,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1292819253, now seen corresponding path program 1 times [2021-11-07 20:22:01,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:22:01,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840878115] [2021-11-07 20:22:01,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:01,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:22:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 20:22:01,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:22:01,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840878115] [2021-11-07 20:22:01,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840878115] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:22:01,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600746748] [2021-11-07 20:22:01,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:01,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:01,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:22:01,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:22:01,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 20:22:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:02,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 2881 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:22:02,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:22:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 20:22:02,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:22:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 20:22:02,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600746748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:22:02,632 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:22:02,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 20:22:02,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472609405] [2021-11-07 20:22:02,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:22:02,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:22:02,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:22:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:22:02,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:22:02,634 INFO L87 Difference]: Start difference. First operand 19802 states and 22985 transitions. Second operand has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:06,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:22:06,320 INFO L93 Difference]: Finished difference Result 39694 states and 46122 transitions. [2021-11-07 20:22:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 20:22:06,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 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 155 [2021-11-07 20:22:06,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:22:06,354 INFO L225 Difference]: With dead ends: 39694 [2021-11-07 20:22:06,354 INFO L226 Difference]: Without dead ends: 19945 [2021-11-07 20:22:06,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.43ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:22:06,386 INFO L933 BasicCegarLoop]: 11737 mSDtfsCounter, 58 mSDsluCounter, 23434 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 819.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 35171 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.12ms SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 893.62ms IncrementalHoareTripleChecker+Time [2021-11-07 20:22:06,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 35171 Invalid, 224 Unknown, 0 Unchecked, 19.12ms Time], IncrementalHoareTripleChecker [89 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 893.62ms Time] [2021-11-07 20:22:06,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19945 states. [2021-11-07 20:22:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19945 to 19934. [2021-11-07 20:22:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19934 states, 19928 states have (on average 1.1600260939381775) internal successors, (23117), 19933 states have internal predecessors, (23117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19934 states to 19934 states and 23117 transitions. [2021-11-07 20:22:09,169 INFO L78 Accepts]: Start accepts. Automaton has 19934 states and 23117 transitions. Word has length 155 [2021-11-07 20:22:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:22:09,169 INFO L470 AbstractCegarLoop]: Abstraction has 19934 states and 23117 transitions. [2021-11-07 20:22:09,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 7 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 19934 states and 23117 transitions. [2021-11-07 20:22:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-07 20:22:09,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:22:09,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:22:09,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 20:22:09,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:09,374 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:22:09,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:22:09,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1721780363, now seen corresponding path program 1 times [2021-11-07 20:22:09,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:22:09,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112062442] [2021-11-07 20:22:09,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:09,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:22:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 20:22:09,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:22:09,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112062442] [2021-11-07 20:22:09,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112062442] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:22:09,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 20:22:09,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 20:22:09,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584235999] [2021-11-07 20:22:09,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:22:09,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:22:09,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:22:09,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:22:09,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:22:09,491 INFO L87 Difference]: Start difference. First operand 19934 states and 23117 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:12,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:22:12,213 INFO L93 Difference]: Finished difference Result 39831 states and 46199 transitions. [2021-11-07 20:22:12,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:22:12,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2021-11-07 20:22:12,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:22:12,241 INFO L225 Difference]: With dead ends: 39831 [2021-11-07 20:22:12,241 INFO L226 Difference]: Without dead ends: 19950 [2021-11-07 20:22:12,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 20:22:12,284 INFO L933 BasicCegarLoop]: 11755 mSDtfsCounter, 9 mSDsluCounter, 11748 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 23503 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.25ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.20ms IncrementalHoareTripleChecker+Time [2021-11-07 20:22:12,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 23503 Invalid, 10 Unknown, 0 Unchecked, 15.25ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 11.20ms Time] [2021-11-07 20:22:12,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19950 states. [2021-11-07 20:22:15,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19950 to 19936. [2021-11-07 20:22:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19936 states, 19930 states have (on average 1.1600100351229303) internal successors, (23119), 19935 states have internal predecessors, (23119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:15,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19936 states to 19936 states and 23119 transitions. [2021-11-07 20:22:15,156 INFO L78 Accepts]: Start accepts. Automaton has 19936 states and 23119 transitions. Word has length 163 [2021-11-07 20:22:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:22:15,157 INFO L470 AbstractCegarLoop]: Abstraction has 19936 states and 23119 transitions. [2021-11-07 20:22:15,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 19936 states and 23119 transitions. [2021-11-07 20:22:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-07 20:22:15,160 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:22:15,160 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:22:15,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-07 20:22:15,160 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:22:15,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:22:15,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1419301493, now seen corresponding path program 2 times [2021-11-07 20:22:15,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:22:15,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691101805] [2021-11-07 20:22:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:15,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:22:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-07 20:22:15,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:22:15,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691101805] [2021-11-07 20:22:15,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691101805] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:22:15,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471288792] [2021-11-07 20:22:15,345 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 20:22:15,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:15,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:22:15,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:22:15,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 20:22:39,294 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 20:22:39,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 20:22:39,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 2836 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 20:22:39,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:22:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-07 20:22:39,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:22:39,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471288792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:22:39,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:22:39,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-11-07 20:22:39,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220002566] [2021-11-07 20:22:39,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:22:39,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 20:22:39,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:22:39,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 20:22:39,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:22:39,599 INFO L87 Difference]: Start difference. First operand 19936 states and 23119 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:22:44,812 INFO L93 Difference]: Finished difference Result 38521 states and 44665 transitions. [2021-11-07 20:22:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 20:22:44,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 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 167 [2021-11-07 20:22:44,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:22:44,857 INFO L225 Difference]: With dead ends: 38521 [2021-11-07 20:22:44,858 INFO L226 Difference]: Without dead ends: 34633 [2021-11-07 20:22:44,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 31.94ms TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:22:44,870 INFO L933 BasicCegarLoop]: 22875 mSDtfsCounter, 23370 mSDsluCounter, 22360 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 79.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 23370 SdHoareTripleChecker+Valid, 45235 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.23ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.95ms IncrementalHoareTripleChecker+Time [2021-11-07 20:22:44,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23370 Valid, 45235 Invalid, 67 Unknown, 0 Unchecked, 39.23ms Time], IncrementalHoareTripleChecker [28 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 90.95ms Time] [2021-11-07 20:22:44,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34633 states. [2021-11-07 20:22:47,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34633 to 17945. [2021-11-07 20:22:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17945 states, 17944 states have (on average 1.162115470352207) internal successors, (20853), 17944 states have internal predecessors, (20853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17945 states to 17945 states and 20853 transitions. [2021-11-07 20:22:47,375 INFO L78 Accepts]: Start accepts. Automaton has 17945 states and 20853 transitions. Word has length 167 [2021-11-07 20:22:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:22:47,376 INFO L470 AbstractCegarLoop]: Abstraction has 17945 states and 20853 transitions. [2021-11-07 20:22:47,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17945 states and 20853 transitions. [2021-11-07 20:22:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-07 20:22:47,379 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:22:47,380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:22:47,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 20:22:47,587 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 [2021-11-07 20:22:47,588 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:22:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:22:47,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1788420471, now seen corresponding path program 1 times [2021-11-07 20:22:47,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:22:47,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440744634] [2021-11-07 20:22:47,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:47,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:22:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 20:22:47,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:22:47,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440744634] [2021-11-07 20:22:47,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440744634] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:22:47,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625578016] [2021-11-07 20:22:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:47,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:47,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:22:47,709 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) [2021-11-07 20:22:47,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 20:22:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:48,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 3220 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 20:22:48,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:22:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:22:48,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:22:48,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625578016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:22:48,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:22:48,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-07 20:22:48,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475416605] [2021-11-07 20:22:48,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:22:48,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 20:22:48,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:22:48,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 20:22:48,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:22:48,690 INFO L87 Difference]: Start difference. First operand 17945 states and 20853 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:51,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:22:51,213 INFO L93 Difference]: Finished difference Result 35853 states and 41669 transitions. [2021-11-07 20:22:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 20:22:51,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2021-11-07 20:22:51,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:22:51,237 INFO L225 Difference]: With dead ends: 35853 [2021-11-07 20:22:51,237 INFO L226 Difference]: Without dead ends: 17959 [2021-11-07 20:22:51,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 6.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 20:22:51,261 INFO L933 BasicCegarLoop]: 9878 mSDtfsCounter, 6 mSDsluCounter, 9871 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 19749 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.31ms IncrementalHoareTripleChecker+Time [2021-11-07 20:22:51,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 19749 Invalid, 10 Unknown, 0 Unchecked, 12.86ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 8.31ms Time] [2021-11-07 20:22:51,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17959 states. [2021-11-07 20:22:53,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17959 to 17947. [2021-11-07 20:22:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17947 states, 17946 states have (on average 1.1620974033210743) internal successors, (20855), 17946 states have internal predecessors, (20855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17947 states to 17947 states and 20855 transitions. [2021-11-07 20:22:53,672 INFO L78 Accepts]: Start accepts. Automaton has 17947 states and 20855 transitions. Word has length 168 [2021-11-07 20:22:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:22:53,672 INFO L470 AbstractCegarLoop]: Abstraction has 17947 states and 20855 transitions. [2021-11-07 20:22:53,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 20855 transitions. [2021-11-07 20:22:53,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-07 20:22:53,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:22:53,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:22:53,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 20:22:53,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:53,878 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:22:53,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:22:53,879 INFO L85 PathProgramCache]: Analyzing trace with hash -864636251, now seen corresponding path program 1 times [2021-11-07 20:22:53,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:22:53,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422498366] [2021-11-07 20:22:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:53,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:22:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:22:53,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:22:53,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422498366] [2021-11-07 20:22:53,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422498366] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:22:53,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798570867] [2021-11-07 20:22:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:22:53,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:22:53,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:22:53,994 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) [2021-11-07 20:22:53,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 20:22:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:22:54,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 3265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 20:22:54,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:22:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:22:55,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:22:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 20:22:55,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798570867] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:22:55,201 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:22:55,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 20:22:55,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59668962] [2021-11-07 20:22:55,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:22:55,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:22:55,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:22:55,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:22:55,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:22:55,202 INFO L87 Difference]: Start difference. First operand 17947 states and 20855 transitions. Second operand has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 7 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:22:59,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:22:59,056 INFO L93 Difference]: Finished difference Result 45771 states and 53120 transitions. [2021-11-07 20:22:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 20:22:59,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 7 states have internal predecessors, (188), 0 states have call successors, (0), 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 175 [2021-11-07 20:22:59,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:22:59,224 INFO L225 Difference]: With dead ends: 45771 [2021-11-07 20:22:59,224 INFO L226 Difference]: Without dead ends: 27875 [2021-11-07 20:22:59,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 14.86ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-07 20:22:59,244 INFO L933 BasicCegarLoop]: 16909 mSDtfsCounter, 9894 mSDsluCounter, 43620 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9894 SdHoareTripleChecker+Valid, 60529 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.80ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.00ms IncrementalHoareTripleChecker+Time [2021-11-07 20:22:59,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9894 Valid, 60529 Invalid, 47 Unknown, 0 Unchecked, 35.80ms Time], IncrementalHoareTripleChecker [16 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 28.00ms Time] [2021-11-07 20:22:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27875 states. [2021-11-07 20:23:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27875 to 18023. [2021-11-07 20:23:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18023 states, 18022 states have (on average 1.1620796803906337) internal successors, (20943), 18022 states have internal predecessors, (20943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18023 states to 18023 states and 20943 transitions. [2021-11-07 20:23:01,672 INFO L78 Accepts]: Start accepts. Automaton has 18023 states and 20943 transitions. Word has length 175 [2021-11-07 20:23:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:01,672 INFO L470 AbstractCegarLoop]: Abstraction has 18023 states and 20943 transitions. [2021-11-07 20:23:01,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.857142857142858) internal successors, (188), 7 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18023 states and 20943 transitions. [2021-11-07 20:23:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-07 20:23:01,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:01,680 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:01,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 20:23:01,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:01,881 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:23:01,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash 897370083, now seen corresponding path program 2 times [2021-11-07 20:23:01,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:01,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780996120] [2021-11-07 20:23:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:01,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-07 20:23:02,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:02,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780996120] [2021-11-07 20:23:02,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780996120] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:23:02,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231489275] [2021-11-07 20:23:02,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 20:23:02,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:02,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:23:02,017 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) [2021-11-07 20:23:02,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 20:23:02,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 20:23:02,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 20:23:02,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 2988 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 20:23:02,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:23:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-07 20:23:03,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:23:03,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231489275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:03,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:23:03,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2021-11-07 20:23:03,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947234151] [2021-11-07 20:23:03,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:03,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 20:23:03,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:03,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 20:23:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-07 20:23:03,024 INFO L87 Difference]: Start difference. First operand 18023 states and 20943 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:13,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:13,600 INFO L93 Difference]: Finished difference Result 84825 states and 98027 transitions. [2021-11-07 20:23:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 20:23:13,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 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 204 [2021-11-07 20:23:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:13,716 INFO L225 Difference]: With dead ends: 84825 [2021-11-07 20:23:13,716 INFO L226 Difference]: Without dead ends: 66853 [2021-11-07 20:23:13,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 64.01ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-11-07 20:23:13,760 INFO L933 BasicCegarLoop]: 30821 mSDtfsCounter, 60732 mSDsluCounter, 132646 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 60732 SdHoareTripleChecker+Valid, 163467 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 123.88ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.63ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:13,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60732 Valid, 163467 Invalid, 87 Unknown, 0 Unchecked, 123.88ms Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 92.63ms Time] [2021-11-07 20:23:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66853 states. [2021-11-07 20:23:16,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66853 to 18031. [2021-11-07 20:23:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18031 states, 18030 states have (on average 1.1620077648363838) internal successors, (20951), 18030 states have internal predecessors, (20951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18031 states to 18031 states and 20951 transitions. [2021-11-07 20:23:16,922 INFO L78 Accepts]: Start accepts. Automaton has 18031 states and 20951 transitions. Word has length 204 [2021-11-07 20:23:16,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:16,922 INFO L470 AbstractCegarLoop]: Abstraction has 18031 states and 20951 transitions. [2021-11-07 20:23:16,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 18031 states and 20951 transitions. [2021-11-07 20:23:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-07 20:23:16,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:16,933 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:16,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 20:23:17,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-11-07 20:23:17,144 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:23:17,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1294045755, now seen corresponding path program 1 times [2021-11-07 20:23:17,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:17,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385666008] [2021-11-07 20:23:17,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:17,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-07 20:23:17,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:17,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385666008] [2021-11-07 20:23:17,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385666008] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:23:17,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811317554] [2021-11-07 20:23:17,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:17,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:17,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:23:17,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:23:17,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 20:23:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:18,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 3745 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 20:23:18,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:23:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-07 20:23:18,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:23:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-07 20:23:18,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811317554] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:23:18,774 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:23:18,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 10 [2021-11-07 20:23:18,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286858978] [2021-11-07 20:23:18,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:23:18,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 20:23:18,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 20:23:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-07 20:23:18,776 INFO L87 Difference]: Start difference. First operand 18031 states and 20951 transitions. Second operand has 10 states, 10 states have (on average 24.8) internal successors, (248), 10 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:23,715 INFO L93 Difference]: Finished difference Result 46371 states and 53826 transitions. [2021-11-07 20:23:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 20:23:23,715 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 24.8) internal successors, (248), 10 states have internal predecessors, (248), 0 states have call successors, (0), 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 222 [2021-11-07 20:23:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:23,762 INFO L225 Difference]: With dead ends: 46371 [2021-11-07 20:23:23,762 INFO L226 Difference]: Without dead ends: 28391 [2021-11-07 20:23:23,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 440 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 112.93ms TimeCoverageRelationStatistics Valid=168, Invalid=294, Unknown=0, NotChecked=0, Total=462 [2021-11-07 20:23:23,795 INFO L933 BasicCegarLoop]: 16902 mSDtfsCounter, 10520 mSDsluCounter, 77411 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10520 SdHoareTripleChecker+Valid, 94313 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.41ms SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.25ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:23,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10520 Valid, 94313 Invalid, 179 Unknown, 0 Unchecked, 52.41ms Time], IncrementalHoareTripleChecker [91 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 133.25ms Time] [2021-11-07 20:23:23,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28391 states. [2021-11-07 20:23:26,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28391 to 18317. [2021-11-07 20:23:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18317 states, 18316 states have (on average 1.161771129067482) internal successors, (21279), 18316 states have internal predecessors, (21279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18317 states to 18317 states and 21279 transitions. [2021-11-07 20:23:26,873 INFO L78 Accepts]: Start accepts. Automaton has 18317 states and 21279 transitions. Word has length 222 [2021-11-07 20:23:26,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:26,873 INFO L470 AbstractCegarLoop]: Abstraction has 18317 states and 21279 transitions. [2021-11-07 20:23:26,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.8) internal successors, (248), 10 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 18317 states and 21279 transitions. [2021-11-07 20:23:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-11-07 20:23:26,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:26,890 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:26,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 20:23:27,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:27,090 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:23:27,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:27,091 INFO L85 PathProgramCache]: Analyzing trace with hash -397926975, now seen corresponding path program 2 times [2021-11-07 20:23:27,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:27,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590870152] [2021-11-07 20:23:27,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:27,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-07 20:23:27,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:27,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590870152] [2021-11-07 20:23:27,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590870152] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:23:27,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395807675] [2021-11-07 20:23:27,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 20:23:27,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:27,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:23:27,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:23:27,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 20:23:28,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 20:23:28,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 20:23:28,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 3261 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-07 20:23:28,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:23:28,729 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2021-11-07 20:23:28,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:23:28,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395807675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:23:28,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:23:28,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2021-11-07 20:23:28,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924973156] [2021-11-07 20:23:28,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:23:28,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 20:23:28,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 20:23:28,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-07 20:23:28,730 INFO L87 Difference]: Start difference. First operand 18317 states and 21279 transitions. Second operand has 8 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:50,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:23:50,235 INFO L93 Difference]: Finished difference Result 129577 states and 149573 transitions. [2021-11-07 20:23:50,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 20:23:50,236 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 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 332 [2021-11-07 20:23:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:23:50,471 INFO L225 Difference]: With dead ends: 129577 [2021-11-07 20:23:50,471 INFO L226 Difference]: Without dead ends: 111311 [2021-11-07 20:23:50,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 181.25ms TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-11-07 20:23:50,529 INFO L933 BasicCegarLoop]: 33336 mSDtfsCounter, 119097 mSDsluCounter, 192195 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 147.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 119097 SdHoareTripleChecker+Valid, 225531 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 199.82ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 179.85ms IncrementalHoareTripleChecker+Time [2021-11-07 20:23:50,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119097 Valid, 225531 Invalid, 141 Unknown, 0 Unchecked, 199.82ms Time], IncrementalHoareTripleChecker [11 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 179.85ms Time] [2021-11-07 20:23:50,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111311 states. [2021-11-07 20:23:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111311 to 20077. [2021-11-07 20:23:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20077 states, 20076 states have (on average 1.1671149631400677) internal successors, (23431), 20076 states have internal predecessors, (23431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20077 states to 20077 states and 23431 transitions. [2021-11-07 20:23:54,862 INFO L78 Accepts]: Start accepts. Automaton has 20077 states and 23431 transitions. Word has length 332 [2021-11-07 20:23:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:23:54,862 INFO L470 AbstractCegarLoop]: Abstraction has 20077 states and 23431 transitions. [2021-11-07 20:23:54,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.125) internal successors, (193), 8 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:23:54,863 INFO L276 IsEmpty]: Start isEmpty. Operand 20077 states and 23431 transitions. [2021-11-07 20:23:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-11-07 20:23:54,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:23:54,877 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:23:54,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 20:23:55,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:55,078 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:23:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:23:55,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2089417010, now seen corresponding path program 1 times [2021-11-07 20:23:55,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:23:55,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891301183] [2021-11-07 20:23:55,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:55,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:23:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:55,314 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2021-11-07 20:23:55,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:23:55,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891301183] [2021-11-07 20:23:55,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891301183] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:23:55,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419300433] [2021-11-07 20:23:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:23:55,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:23:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:23:55,317 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:23:55,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 20:23:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:23:56,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 4759 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 20:23:56,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:23:56,793 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 394 proven. 75 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-07 20:23:56,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 20:23:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 394 proven. 75 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-11-07 20:23:57,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419300433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 20:23:57,331 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 20:23:57,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 17 [2021-11-07 20:23:57,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348802044] [2021-11-07 20:23:57,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-07 20:23:57,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 20:23:57,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:23:57,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 20:23:57,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-07 20:23:57,332 INFO L87 Difference]: Start difference. First operand 20077 states and 23431 transitions. Second operand has 17 states, 17 states have (on average 19.352941176470587) internal successors, (329), 17 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 20:24:01,651 INFO L93 Difference]: Finished difference Result 40943 states and 47777 transitions. [2021-11-07 20:24:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-11-07 20:24:01,652 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 19.352941176470587) internal successors, (329), 17 states have internal predecessors, (329), 0 states have call successors, (0), 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 357 [2021-11-07 20:24:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 20:24:01,683 INFO L225 Difference]: With dead ends: 40943 [2021-11-07 20:24:01,684 INFO L226 Difference]: Without dead ends: 20917 [2021-11-07 20:24:01,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 401.40ms TimeCoverageRelationStatistics Valid=910, Invalid=1846, Unknown=0, NotChecked=0, Total=2756 [2021-11-07 20:24:01,718 INFO L933 BasicCegarLoop]: 9871 mSDtfsCounter, 1427 mSDsluCounter, 39594 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 138.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 49465 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.90ms SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 185.46ms IncrementalHoareTripleChecker+Time [2021-11-07 20:24:01,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1427 Valid, 49465 Invalid, 246 Unknown, 0 Unchecked, 24.90ms Time], IncrementalHoareTripleChecker [154 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 185.46ms Time] [2021-11-07 20:24:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20917 states. [2021-11-07 20:24:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20917 to 20597. [2021-11-07 20:24:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20597 states, 20596 states have (on average 1.1645465138861915) internal successors, (23985), 20596 states have internal predecessors, (23985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20597 states to 20597 states and 23985 transitions. [2021-11-07 20:24:05,591 INFO L78 Accepts]: Start accepts. Automaton has 20597 states and 23985 transitions. Word has length 357 [2021-11-07 20:24:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 20:24:05,591 INFO L470 AbstractCegarLoop]: Abstraction has 20597 states and 23985 transitions. [2021-11-07 20:24:05,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.352941176470587) internal successors, (329), 17 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 20:24:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 20597 states and 23985 transitions. [2021-11-07 20:24:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-07 20:24:05,606 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 20:24:05,606 INFO L514 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 18, 18, 18, 18, 18, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 20:24:05,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 20:24:05,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 20:24:05,813 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 98 more)] === [2021-11-07 20:24:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 20:24:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash -35832770, now seen corresponding path program 2 times [2021-11-07 20:24:05,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 20:24:05,814 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697051520] [2021-11-07 20:24:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 20:24:05,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 20:24:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 20:24:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5406 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5397 trivial. 0 not checked. [2021-11-07 20:24:06,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 20:24:06,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697051520] [2021-11-07 20:24:06,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697051520] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 20:24:06,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491951159] [2021-11-07 20:24:06,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 20:24:06,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 20:24:06,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 20:24:06,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 20:24:06,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 20:24:07,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 20:24:07,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 20:24:07,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 3455 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 20:24:07,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 20:24:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2021-11-07 20:24:07,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 20:24:07,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491951159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 20:24:07,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 20:24:07,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2021-11-07 20:24:07,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696107874] [2021-11-07 20:24:07,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 20:24:07,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 20:24:07,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 20:24:07,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 20:24:07,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-11-07 20:24:07,939 INFO L87 Difference]: Start difference. First operand 20597 states and 23985 transitions. Second operand has 11 states, 11 states have (on average 19.818181818181817) internal successors, (218), 11 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)