./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 07:33:27,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 07:33:27,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 07:33:27,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 07:33:27,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 07:33:27,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 07:33:27,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 07:33:27,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 07:33:27,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 07:33:27,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 07:33:27,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 07:33:27,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 07:33:27,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 07:33:27,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 07:33:27,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 07:33:27,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 07:33:27,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 07:33:27,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 07:33:27,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 07:33:27,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 07:33:27,274 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 07:33:27,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 07:33:27,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 07:33:27,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 07:33:27,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 07:33:27,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 07:33:27,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 07:33:27,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 07:33:27,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 07:33:27,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 07:33:27,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 07:33:27,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 07:33:27,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 07:33:27,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 07:33:27,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 07:33:27,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 07:33:27,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 07:33:27,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 07:33:27,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 07:33:27,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 07:33:27,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 07:33:27,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 07:33:27,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 07:33:27,314 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 07:33:27,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 07:33:27,315 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 07:33:27,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 07:33:27,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 07:33:27,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 07:33:27,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 07:33:27,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 07:33:27,316 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 07:33:27,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 07:33:27,317 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 07:33:27,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 07:33:27,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 07:33:27,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 07:33:27,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 07:33:27,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 07:33:27,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 07:33:27,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 07:33:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:33:27,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 07:33:27,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 07:33:27,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 07:33:27,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 07:33:27,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 07:33:27,320 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 07:33:27,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 07:33:27,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 07:33:27,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07df7c2ca2abed9bcd09481b78e93a7ff3ff9af974a044cb3d572c2018ab9c02 [2022-07-12 07:33:27,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 07:33:27,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 07:33:27,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 07:33:27,503 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 07:33:27,507 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 07:33:27,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:33:27,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fee77d8c/eb9fb72b527e4585b4ebf594df3cd9bf/FLAGe5c618875 [2022-07-12 07:33:28,227 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 07:33:28,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:33:28,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fee77d8c/eb9fb72b527e4585b4ebf594df3cd9bf/FLAGe5c618875 [2022-07-12 07:33:28,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fee77d8c/eb9fb72b527e4585b4ebf594df3cd9bf [2022-07-12 07:33:28,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 07:33:28,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 07:33:28,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 07:33:28,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 07:33:28,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 07:33:28,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:33:28" (1/1) ... [2022-07-12 07:33:28,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404a52df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:28, skipping insertion in model container [2022-07-12 07:33:28,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 07:33:28" (1/1) ... [2022-07-12 07:33:28,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 07:33:28,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 07:33:29,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-07-12 07:33:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-07-12 07:33:29,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-07-12 07:33:29,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-07-12 07:33:29,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-07-12 07:33:29,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-07-12 07:33:29,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-07-12 07:33:29,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-07-12 07:33:29,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-07-12 07:33:29,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-07-12 07:33:29,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-07-12 07:33:29,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-07-12 07:33:29,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-07-12 07:33:29,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-07-12 07:33:29,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-07-12 07:33:29,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-07-12 07:33:29,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-07-12 07:33:29,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-07-12 07:33:29,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-07-12 07:33:29,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-07-12 07:33:29,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-07-12 07:33:29,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-07-12 07:33:29,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-07-12 07:33:29,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-07-12 07:33:29,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-07-12 07:33:29,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-07-12 07:33:29,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-07-12 07:33:29,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-07-12 07:33:29,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-07-12 07:33:29,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-07-12 07:33:29,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-07-12 07:33:29,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-07-12 07:33:29,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-07-12 07:33:29,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-07-12 07:33:29,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-07-12 07:33:29,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-07-12 07:33:29,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-07-12 07:33:30,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:33:30,664 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 07:33:30,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21603,21616] [2022-07-12 07:33:30,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27289,27302] [2022-07-12 07:33:30,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28711,28724] [2022-07-12 07:33:30,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29569,29582] [2022-07-12 07:33:30,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31319,31332] [2022-07-12 07:33:30,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32177,32190] [2022-07-12 07:33:30,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[33363,33376] [2022-07-12 07:33:30,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36132,36145] [2022-07-12 07:33:30,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[36993,37006] [2022-07-12 07:33:30,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38182,38195] [2022-07-12 07:33:30,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40387,40400] [2022-07-12 07:33:30,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[44640,44653] [2022-07-12 07:33:30,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[45501,45514] [2022-07-12 07:33:30,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46690,46703] [2022-07-12 07:33:30,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[48895,48908] [2022-07-12 07:33:30,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52584,52597] [2022-07-12 07:33:30,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[59245,59258] [2022-07-12 07:33:30,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60106,60119] [2022-07-12 07:33:30,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[61295,61308] [2022-07-12 07:33:30,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[63500,63513] [2022-07-12 07:33:30,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67189,67202] [2022-07-12 07:33:30,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[73286,73299] [2022-07-12 07:33:30,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[84175,84188] [2022-07-12 07:33:30,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[85036,85049] [2022-07-12 07:33:30,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86229,86242] [2022-07-12 07:33:30,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[88438,88451] [2022-07-12 07:33:30,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92411,92424] [2022-07-12 07:33:30,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[99364,99377] [2022-07-12 07:33:30,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[111409,111422] [2022-07-12 07:33:31,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[132586,132599] [2022-07-12 07:33:31,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[133447,133460] [2022-07-12 07:33:31,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[134636,134649] [2022-07-12 07:33:31,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[136841,136854] [2022-07-12 07:33:31,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[140530,140543] [2022-07-12 07:33:31,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[146627,146640] [2022-07-12 07:33:31,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[156952,156965] [2022-07-12 07:33:31,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[174689,174702] [2022-07-12 07:33:31,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 07:33:31,864 INFO L208 MainTranslator]: Completed translation [2022-07-12 07:33:31,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31 WrapperNode [2022-07-12 07:33:31,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 07:33:31,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 07:33:31,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 07:33:31,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 07:33:31,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:31,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,217 INFO L137 Inliner]: procedures = 28, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23263 [2022-07-12 07:33:32,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 07:33:32,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 07:33:32,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 07:33:32,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 07:33:32,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 07:33:32,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 07:33:32,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 07:33:32,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 07:33:32,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (1/1) ... [2022-07-12 07:33:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 07:33:32,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 07:33:32,525 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) [2022-07-12 07:33:32,544 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 [2022-07-12 07:33:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 07:33:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 07:33:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 07:33:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 07:33:33,025 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 07:33:33,027 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 07:33:39,376 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 07:33:39,403 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 07:33:39,403 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 07:33:39,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:33:39 BoogieIcfgContainer [2022-07-12 07:33:39,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 07:33:39,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 07:33:39,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 07:33:39,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 07:33:39,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 07:33:28" (1/3) ... [2022-07-12 07:33:39,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e69a176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:33:39, skipping insertion in model container [2022-07-12 07:33:39,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 07:33:31" (2/3) ... [2022-07-12 07:33:39,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e69a176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 07:33:39, skipping insertion in model container [2022-07-12 07:33:39,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 07:33:39" (3/3) ... [2022-07-12 07:33:39,412 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-07-12 07:33:39,421 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 07:33:39,421 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-07-12 07:33:39,497 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 07:33:39,504 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7cf7f8f0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@461976f1 [2022-07-12 07:33:39,505 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-07-12 07:33:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:39,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 07:33:39,547 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:39,548 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:39,548 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:39,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash -150150757, now seen corresponding path program 1 times [2022-07-12 07:33:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:39,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502695622] [2022-07-12 07:33:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:39,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:39,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502695622] [2022-07-12 07:33:39,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502695622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:39,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:39,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:39,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510871744] [2022-07-12 07:33:39,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:39,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:39,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:39,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:39,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:39,978 INFO L87 Difference]: Start difference. First operand has 3854 states, 3816 states have (on average 1.874475890985325) internal successors, (7153), 3853 states have internal predecessors, (7153), 0 states have call successors, (0), 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 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:42,073 INFO L93 Difference]: Finished difference Result 6602 states and 11760 transitions. [2022-07-12 07:33:42,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:42,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-07-12 07:33:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:42,099 INFO L225 Difference]: With dead ends: 6602 [2022-07-12 07:33:42,099 INFO L226 Difference]: Without dead ends: 3827 [2022-07-12 07:33:42,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:42,110 INFO L413 NwaCegarLoop]: 3381 mSDtfsCounter, 18399 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18399 SdHoareTripleChecker+Valid, 4385 SdHoareTripleChecker+Invalid, 2361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:42,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18399 Valid, 4385 Invalid, 2361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:33:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-12 07:33:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3701. [2022-07-12 07:33:42,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 3664 states have (on average 1.3788209606986899) internal successors, (5052), 3700 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5052 transitions. [2022-07-12 07:33:42,244 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5052 transitions. Word has length 116 [2022-07-12 07:33:42,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:42,244 INFO L495 AbstractCegarLoop]: Abstraction has 3701 states and 5052 transitions. [2022-07-12 07:33:42,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5052 transitions. [2022-07-12 07:33:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-12 07:33:42,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:42,252 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:42,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 07:33:42,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1021046553, now seen corresponding path program 1 times [2022-07-12 07:33:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:42,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181891016] [2022-07-12 07:33:42,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:42,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:42,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:42,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181891016] [2022-07-12 07:33:42,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181891016] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:42,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:42,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:42,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941209647] [2022-07-12 07:33:42,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:42,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:42,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:42,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:42,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:42,367 INFO L87 Difference]: Start difference. First operand 3701 states and 5052 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:43,742 INFO L93 Difference]: Finished difference Result 6314 states and 8889 transitions. [2022-07-12 07:33:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:43,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-07-12 07:33:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:43,752 INFO L225 Difference]: With dead ends: 6314 [2022-07-12 07:33:43,752 INFO L226 Difference]: Without dead ends: 3213 [2022-07-12 07:33:43,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:43,757 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 9387 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9387 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:43,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9387 Valid, 1792 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 07:33:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2022-07-12 07:33:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 3213. [2022-07-12 07:33:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3213 states, 3176 states have (on average 1.4162468513853905) internal successors, (4498), 3212 states have internal predecessors, (4498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 3213 states and 4498 transitions. [2022-07-12 07:33:43,844 INFO L78 Accepts]: Start accepts. Automaton has 3213 states and 4498 transitions. Word has length 117 [2022-07-12 07:33:43,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:43,844 INFO L495 AbstractCegarLoop]: Abstraction has 3213 states and 4498 transitions. [2022-07-12 07:33:43,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:43,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 4498 transitions. [2022-07-12 07:33:43,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 07:33:43,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:43,849 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:43,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 07:33:43,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:43,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:43,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1704632037, now seen corresponding path program 1 times [2022-07-12 07:33:43,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:43,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582768328] [2022-07-12 07:33:43,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:43,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:43,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:43,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582768328] [2022-07-12 07:33:43,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582768328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:43,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:43,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:43,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708201259] [2022-07-12 07:33:43,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:43,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:43,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:43,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:43,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:43,971 INFO L87 Difference]: Start difference. First operand 3213 states and 4498 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2022-07-12 07:33:45,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:45,492 INFO L93 Difference]: Finished difference Result 5826 states and 8333 transitions. [2022-07-12 07:33:45,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:45,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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 [2022-07-12 07:33:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:45,501 INFO L225 Difference]: With dead ends: 5826 [2022-07-12 07:33:45,501 INFO L226 Difference]: Without dead ends: 3053 [2022-07-12 07:33:45,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:45,505 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 8465 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1785 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8465 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 1785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:45,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8465 Valid, 1268 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 1785 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:33:45,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3053 states. [2022-07-12 07:33:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3053 to 3053. [2022-07-12 07:33:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3053 states, 3016 states have (on average 1.427055702917772) internal successors, (4304), 3052 states have internal predecessors, (4304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 3053 states and 4304 transitions. [2022-07-12 07:33:45,597 INFO L78 Accepts]: Start accepts. Automaton has 3053 states and 4304 transitions. Word has length 118 [2022-07-12 07:33:45,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:45,598 INFO L495 AbstractCegarLoop]: Abstraction has 3053 states and 4304 transitions. [2022-07-12 07:33:45,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 4 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) [2022-07-12 07:33:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 4304 transitions. [2022-07-12 07:33:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 07:33:45,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:45,604 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:45,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 07:33:45,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:45,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash 46418268, now seen corresponding path program 1 times [2022-07-12 07:33:45,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:45,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736779572] [2022-07-12 07:33:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:45,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:45,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:45,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736779572] [2022-07-12 07:33:45,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736779572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:45,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:45,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:45,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527633326] [2022-07-12 07:33:45,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:45,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:45,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:45,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:45,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:45,829 INFO L87 Difference]: Start difference. First operand 3053 states and 4304 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:47,029 INFO L93 Difference]: Finished difference Result 5666 states and 8137 transitions. [2022-07-12 07:33:47,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:47,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-07-12 07:33:47,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:47,039 INFO L225 Difference]: With dead ends: 5666 [2022-07-12 07:33:47,040 INFO L226 Difference]: Without dead ends: 2925 [2022-07-12 07:33:47,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:47,045 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 8208 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8208 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:47,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8208 Valid, 1401 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 07:33:47,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2022-07-12 07:33:47,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2925. [2022-07-12 07:33:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2888 states have (on average 1.4397506925207757) internal successors, (4158), 2924 states have internal predecessors, (4158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 4158 transitions. [2022-07-12 07:33:47,119 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 4158 transitions. Word has length 119 [2022-07-12 07:33:47,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:47,120 INFO L495 AbstractCegarLoop]: Abstraction has 2925 states and 4158 transitions. [2022-07-12 07:33:47,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 4158 transitions. [2022-07-12 07:33:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-12 07:33:47,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:47,125 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:47,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 07:33:47,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:47,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:47,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1481188516, now seen corresponding path program 1 times [2022-07-12 07:33:47,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:47,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885901220] [2022-07-12 07:33:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:47,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:47,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885901220] [2022-07-12 07:33:47,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885901220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:47,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:47,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:47,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28054893] [2022-07-12 07:33:47,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:47,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:47,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:47,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:47,244 INFO L87 Difference]: Start difference. First operand 2925 states and 4158 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:48,182 INFO L93 Difference]: Finished difference Result 5538 states and 7989 transitions. [2022-07-12 07:33:48,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:48,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-07-12 07:33:48,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:48,191 INFO L225 Difference]: With dead ends: 5538 [2022-07-12 07:33:48,191 INFO L226 Difference]: Without dead ends: 2813 [2022-07-12 07:33:48,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:48,196 INFO L413 NwaCegarLoop]: 1460 mSDtfsCounter, 8044 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8044 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:48,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8044 Valid, 1488 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 07:33:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2022-07-12 07:33:48,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2813. [2022-07-12 07:33:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2776 states have (on average 1.4538904899135447) internal successors, (4036), 2812 states have internal predecessors, (4036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4036 transitions. [2022-07-12 07:33:48,272 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4036 transitions. Word has length 120 [2022-07-12 07:33:48,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:48,272 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 4036 transitions. [2022-07-12 07:33:48,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4036 transitions. [2022-07-12 07:33:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-12 07:33:48,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:48,276 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:48,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 07:33:48,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:48,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1088659095, now seen corresponding path program 1 times [2022-07-12 07:33:48,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:48,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979465151] [2022-07-12 07:33:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:48,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:48,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:48,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:48,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979465151] [2022-07-12 07:33:48,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979465151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:48,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:48,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:48,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103310124] [2022-07-12 07:33:48,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:48,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:48,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:48,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:48,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:48,357 INFO L87 Difference]: Start difference. First operand 2813 states and 4036 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:49,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:49,224 INFO L93 Difference]: Finished difference Result 5426 states and 7865 transitions. [2022-07-12 07:33:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:49,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 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 121 [2022-07-12 07:33:49,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:49,232 INFO L225 Difference]: With dead ends: 5426 [2022-07-12 07:33:49,232 INFO L226 Difference]: Without dead ends: 2748 [2022-07-12 07:33:49,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:49,235 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 7872 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7872 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:49,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7872 Valid, 1455 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 07:33:49,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-07-12 07:33:49,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2022-07-12 07:33:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 2711 states have (on average 1.4625599409811878) internal successors, (3965), 2747 states have internal predecessors, (3965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3965 transitions. [2022-07-12 07:33:49,321 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3965 transitions. Word has length 121 [2022-07-12 07:33:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:49,322 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3965 transitions. [2022-07-12 07:33:49,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3965 transitions. [2022-07-12 07:33:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 07:33:49,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:49,326 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:49,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 07:33:49,327 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:49,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:49,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1122787720, now seen corresponding path program 1 times [2022-07-12 07:33:49,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:49,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974997849] [2022-07-12 07:33:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:49,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:49,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:49,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974997849] [2022-07-12 07:33:49,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974997849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:49,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:49,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:49,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285067341] [2022-07-12 07:33:49,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:49,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:49,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:49,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:49,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:49,433 INFO L87 Difference]: Start difference. First operand 2748 states and 3965 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:50,285 INFO L93 Difference]: Finished difference Result 5361 states and 7792 transitions. [2022-07-12 07:33:50,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:50,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-07-12 07:33:50,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:50,292 INFO L225 Difference]: With dead ends: 5361 [2022-07-12 07:33:50,292 INFO L226 Difference]: Without dead ends: 2717 [2022-07-12 07:33:50,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:50,296 INFO L413 NwaCegarLoop]: 1420 mSDtfsCounter, 7753 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7753 SdHoareTripleChecker+Valid, 1440 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:50,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7753 Valid, 1440 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 07:33:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2022-07-12 07:33:50,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2717. [2022-07-12 07:33:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2717 states, 2680 states have (on average 1.4664179104477613) internal successors, (3930), 2716 states have internal predecessors, (3930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2717 states and 3930 transitions. [2022-07-12 07:33:50,382 INFO L78 Accepts]: Start accepts. Automaton has 2717 states and 3930 transitions. Word has length 122 [2022-07-12 07:33:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:50,382 INFO L495 AbstractCegarLoop]: Abstraction has 2717 states and 3930 transitions. [2022-07-12 07:33:50,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.4) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3930 transitions. [2022-07-12 07:33:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-12 07:33:50,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:50,386 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:50,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 07:33:50,387 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:50,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash -204963786, now seen corresponding path program 1 times [2022-07-12 07:33:50,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:50,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907826223] [2022-07-12 07:33:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:50,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:50,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:50,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907826223] [2022-07-12 07:33:50,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907826223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:50,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:50,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 07:33:50,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546293976] [2022-07-12 07:33:50,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:50,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 07:33:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:50,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 07:33:50,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 07:33:50,463 INFO L87 Difference]: Start difference. First operand 2717 states and 3930 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:51,395 INFO L93 Difference]: Finished difference Result 5330 states and 7755 transitions. [2022-07-12 07:33:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 07:33:51,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2022-07-12 07:33:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:51,402 INFO L225 Difference]: With dead ends: 5330 [2022-07-12 07:33:51,402 INFO L226 Difference]: Without dead ends: 2706 [2022-07-12 07:33:51,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 07:33:51,405 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 7597 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7597 SdHoareTripleChecker+Valid, 1373 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:51,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7597 Valid, 1373 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 07:33:51,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2022-07-12 07:33:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2706. [2022-07-12 07:33:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4672161858373922) internal successors, (3916), 2705 states have internal predecessors, (3916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3916 transitions. [2022-07-12 07:33:51,497 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3916 transitions. Word has length 123 [2022-07-12 07:33:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:51,497 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3916 transitions. [2022-07-12 07:33:51,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3916 transitions. [2022-07-12 07:33:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:33:51,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:51,501 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:51,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 07:33:51,502 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:51,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:51,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1522376233, now seen corresponding path program 1 times [2022-07-12 07:33:51,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:51,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624962980] [2022-07-12 07:33:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:51,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:51,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:51,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624962980] [2022-07-12 07:33:51,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624962980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:51,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:51,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:51,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144650367] [2022-07-12 07:33:51,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:51,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:51,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:51,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:51,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:51,713 INFO L87 Difference]: Start difference. First operand 2706 states and 3916 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:55,392 INFO L93 Difference]: Finished difference Result 5120 states and 7392 transitions. [2022-07-12 07:33:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:33:55,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-12 07:33:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:55,404 INFO L225 Difference]: With dead ends: 5120 [2022-07-12 07:33:55,406 INFO L226 Difference]: Without dead ends: 4816 [2022-07-12 07:33:55,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:33:55,409 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 15816 mSDsluCounter, 7606 mSDsCounter, 0 mSdLazyCounter, 7770 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15816 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 7851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 7770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:55,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15816 Valid, 9036 Invalid, 7851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 7770 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 07:33:55,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4816 states. [2022-07-12 07:33:55,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4816 to 2715. [2022-07-12 07:33:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2678 states have (on average 1.4667662434652726) internal successors, (3928), 2714 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3928 transitions. [2022-07-12 07:33:55,601 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3928 transitions. Word has length 124 [2022-07-12 07:33:55,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:55,602 INFO L495 AbstractCegarLoop]: Abstraction has 2715 states and 3928 transitions. [2022-07-12 07:33:55,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3928 transitions. [2022-07-12 07:33:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:33:55,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:55,607 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:55,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 07:33:55,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash -115626613, now seen corresponding path program 1 times [2022-07-12 07:33:55,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:55,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347388573] [2022-07-12 07:33:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:55,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:55,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347388573] [2022-07-12 07:33:55,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347388573] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:55,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:55,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:55,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951427559] [2022-07-12 07:33:55,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:55,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:55,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:55,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:55,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:55,818 INFO L87 Difference]: Start difference. First operand 2715 states and 3928 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:33:59,480 INFO L93 Difference]: Finished difference Result 4695 states and 6660 transitions. [2022-07-12 07:33:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:33:59,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-12 07:33:59,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:33:59,497 INFO L225 Difference]: With dead ends: 4695 [2022-07-12 07:33:59,497 INFO L226 Difference]: Without dead ends: 4504 [2022-07-12 07:33:59,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:33:59,498 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 11343 mSDsluCounter, 7696 mSDsCounter, 0 mSdLazyCounter, 9288 mSolverCounterSat, 599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11343 SdHoareTripleChecker+Valid, 9061 SdHoareTripleChecker+Invalid, 9887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 599 IncrementalHoareTripleChecker+Valid, 9288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:33:59,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11343 Valid, 9061 Invalid, 9887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [599 Valid, 9288 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:33:59,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-07-12 07:33:59,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 2737. [2022-07-12 07:33:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2700 states have (on average 1.4670370370370371) internal successors, (3961), 2736 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3961 transitions. [2022-07-12 07:33:59,638 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3961 transitions. Word has length 124 [2022-07-12 07:33:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:33:59,638 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3961 transitions. [2022-07-12 07:33:59,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:33:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3961 transitions. [2022-07-12 07:33:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:33:59,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:33:59,641 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:33:59,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 07:33:59,642 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:33:59,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:33:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash -537185860, now seen corresponding path program 1 times [2022-07-12 07:33:59,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:33:59,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41446473] [2022-07-12 07:33:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:33:59,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:33:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:33:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:33:59,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:33:59,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41446473] [2022-07-12 07:33:59,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41446473] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:33:59,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:33:59,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:33:59,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602390683] [2022-07-12 07:33:59,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:33:59,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:33:59,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:33:59,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:33:59,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:33:59,781 INFO L87 Difference]: Start difference. First operand 2737 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:02,276 INFO L93 Difference]: Finished difference Result 5001 states and 7252 transitions. [2022-07-12 07:34:02,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 07:34:02,276 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-12 07:34:02,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:02,285 INFO L225 Difference]: With dead ends: 5001 [2022-07-12 07:34:02,285 INFO L226 Difference]: Without dead ends: 4720 [2022-07-12 07:34:02,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2022-07-12 07:34:02,287 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 10326 mSDsluCounter, 6478 mSDsCounter, 0 mSdLazyCounter, 6878 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10326 SdHoareTripleChecker+Valid, 7967 SdHoareTripleChecker+Invalid, 6935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 6878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:02,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10326 Valid, 7967 Invalid, 6935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 6878 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 07:34:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4720 states. [2022-07-12 07:34:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4720 to 2739. [2022-07-12 07:34:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4666913397483345) internal successors, (3963), 2738 states have internal predecessors, (3963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3963 transitions. [2022-07-12 07:34:02,440 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3963 transitions. Word has length 124 [2022-07-12 07:34:02,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:02,440 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3963 transitions. [2022-07-12 07:34:02,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.333333333333334) internal successors, (124), 11 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3963 transitions. [2022-07-12 07:34:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:34:02,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:02,444 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:02,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 07:34:02,444 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:02,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:02,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1896036516, now seen corresponding path program 1 times [2022-07-12 07:34:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:02,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756764204] [2022-07-12 07:34:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:02,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:02,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756764204] [2022-07-12 07:34:02,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756764204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:02,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:02,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:02,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136728184] [2022-07-12 07:34:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:02,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:02,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:02,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:02,570 INFO L87 Difference]: Start difference. First operand 2739 states and 3963 transitions. Second operand has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:04,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:04,448 INFO L93 Difference]: Finished difference Result 4989 states and 7250 transitions. [2022-07-12 07:34:04,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:04,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-12 07:34:04,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:04,456 INFO L225 Difference]: With dead ends: 4989 [2022-07-12 07:34:04,456 INFO L226 Difference]: Without dead ends: 4623 [2022-07-12 07:34:04,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:04,458 INFO L413 NwaCegarLoop]: 1476 mSDtfsCounter, 15543 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 5355 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15543 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 5403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 5355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:04,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15543 Valid, 6324 Invalid, 5403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 5355 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2022-07-12 07:34:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 2739. [2022-07-12 07:34:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4663212435233162) internal successors, (3962), 2738 states have internal predecessors, (3962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:04,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3962 transitions. [2022-07-12 07:34:04,620 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3962 transitions. Word has length 124 [2022-07-12 07:34:04,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:04,622 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3962 transitions. [2022-07-12 07:34:04,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.777777777777779) internal successors, (124), 8 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3962 transitions. [2022-07-12 07:34:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 07:34:04,625 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:04,625 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:04,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 07:34:04,625 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash 553304081, now seen corresponding path program 1 times [2022-07-12 07:34:04,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:04,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861752230] [2022-07-12 07:34:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:04,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:04,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861752230] [2022-07-12 07:34:04,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861752230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:04,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:04,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 07:34:04,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492021946] [2022-07-12 07:34:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:04,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 07:34:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 07:34:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 07:34:04,757 INFO L87 Difference]: Start difference. First operand 2739 states and 3962 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:06,492 INFO L93 Difference]: Finished difference Result 4491 states and 6264 transitions. [2022-07-12 07:34:06,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 07:34:06,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 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 124 [2022-07-12 07:34:06,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:06,516 INFO L225 Difference]: With dead ends: 4491 [2022-07-12 07:34:06,517 INFO L226 Difference]: Without dead ends: 3403 [2022-07-12 07:34:06,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-07-12 07:34:06,519 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 12980 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12980 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 4253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:06,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12980 Valid, 3300 Invalid, 4253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 4000 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 07:34:06,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-07-12 07:34:06,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2739. [2022-07-12 07:34:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.4659511472982976) internal successors, (3961), 2738 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3961 transitions. [2022-07-12 07:34:06,706 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3961 transitions. Word has length 124 [2022-07-12 07:34:06,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:06,707 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3961 transitions. [2022-07-12 07:34:06,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 7 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3961 transitions. [2022-07-12 07:34:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:06,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:06,710 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:06,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 07:34:06,710 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:06,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1000263533, now seen corresponding path program 1 times [2022-07-12 07:34:06,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:06,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7089621] [2022-07-12 07:34:06,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:06,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:06,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:06,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7089621] [2022-07-12 07:34:06,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7089621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:06,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:06,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:34:06,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54686405] [2022-07-12 07:34:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:06,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:34:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:06,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:34:06,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:34:06,875 INFO L87 Difference]: Start difference. First operand 2739 states and 3961 transitions. Second operand has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:10,519 INFO L93 Difference]: Finished difference Result 5475 states and 7919 transitions. [2022-07-12 07:34:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 07:34:10,519 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:10,526 INFO L225 Difference]: With dead ends: 5475 [2022-07-12 07:34:10,526 INFO L226 Difference]: Without dead ends: 5071 [2022-07-12 07:34:10,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-07-12 07:34:10,527 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 11179 mSDsluCounter, 8737 mSDsCounter, 0 mSdLazyCounter, 8748 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11179 SdHoareTripleChecker+Valid, 10364 SdHoareTripleChecker+Invalid, 8788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 8748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:10,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11179 Valid, 10364 Invalid, 8788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 8748 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:34:10,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-07-12 07:34:10,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 2739. [2022-07-12 07:34:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 2702 states have (on average 1.465581051073279) internal successors, (3960), 2738 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3960 transitions. [2022-07-12 07:34:10,724 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3960 transitions. Word has length 126 [2022-07-12 07:34:10,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:10,724 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3960 transitions. [2022-07-12 07:34:10,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3960 transitions. [2022-07-12 07:34:10,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:10,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:10,728 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:10,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 07:34:10,728 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:10,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:10,728 INFO L85 PathProgramCache]: Analyzing trace with hash -826398625, now seen corresponding path program 1 times [2022-07-12 07:34:10,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:10,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252587827] [2022-07-12 07:34:10,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:10,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:10,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:10,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252587827] [2022-07-12 07:34:10,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252587827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:10,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:10,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:10,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489037333] [2022-07-12 07:34:10,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:10,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:10,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:10,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:10,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:10,871 INFO L87 Difference]: Start difference. First operand 2739 states and 3960 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:12,966 INFO L93 Difference]: Finished difference Result 3772 states and 5489 transitions. [2022-07-12 07:34:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 07:34:12,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:12,971 INFO L225 Difference]: With dead ends: 3772 [2022-07-12 07:34:12,972 INFO L226 Difference]: Without dead ends: 3183 [2022-07-12 07:34:12,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-12 07:34:12,973 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 6967 mSDsluCounter, 5664 mSDsCounter, 0 mSdLazyCounter, 5909 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6967 SdHoareTripleChecker+Valid, 7083 SdHoareTripleChecker+Invalid, 5933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:12,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6967 Valid, 7083 Invalid, 5933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5909 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-07-12 07:34:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-07-12 07:34:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4660921693518172) internal successors, (3913), 2705 states have internal predecessors, (3913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3913 transitions. [2022-07-12 07:34:13,227 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3913 transitions. Word has length 126 [2022-07-12 07:34:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:13,227 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3913 transitions. [2022-07-12 07:34:13,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:13,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3913 transitions. [2022-07-12 07:34:13,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:13,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:13,245 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:13,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 07:34:13,245 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:13,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:13,246 INFO L85 PathProgramCache]: Analyzing trace with hash 33266613, now seen corresponding path program 1 times [2022-07-12 07:34:13,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:13,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126697421] [2022-07-12 07:34:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:13,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:13,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126697421] [2022-07-12 07:34:13,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126697421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:13,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:13,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:13,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336477363] [2022-07-12 07:34:13,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:13,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:13,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:13,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:13,382 INFO L87 Difference]: Start difference. First operand 2706 states and 3913 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:15,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:15,475 INFO L93 Difference]: Finished difference Result 4402 states and 6270 transitions. [2022-07-12 07:34:15,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:15,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:15,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:15,480 INFO L225 Difference]: With dead ends: 4402 [2022-07-12 07:34:15,480 INFO L226 Difference]: Without dead ends: 4214 [2022-07-12 07:34:15,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:15,482 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7160 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 5397 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7160 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 5842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 5397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:15,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7160 Valid, 5584 Invalid, 5842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 5397 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-12 07:34:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-12 07:34:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4657174971899587) internal successors, (3912), 2705 states have internal predecessors, (3912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3912 transitions. [2022-07-12 07:34:15,745 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3912 transitions. Word has length 126 [2022-07-12 07:34:15,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:15,745 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3912 transitions. [2022-07-12 07:34:15,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3912 transitions. [2022-07-12 07:34:15,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:15,749 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:15,750 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:15,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 07:34:15,750 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:15,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1373735587, now seen corresponding path program 1 times [2022-07-12 07:34:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:15,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45890537] [2022-07-12 07:34:15,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:15,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:15,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:15,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45890537] [2022-07-12 07:34:15,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45890537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:15,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:15,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:15,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034443956] [2022-07-12 07:34:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:15,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:15,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:15,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:15,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:15,857 INFO L87 Difference]: Start difference. First operand 2706 states and 3912 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:17,899 INFO L93 Difference]: Finished difference Result 4835 states and 7010 transitions. [2022-07-12 07:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:17,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:17,906 INFO L225 Difference]: With dead ends: 4835 [2022-07-12 07:34:17,906 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:34:17,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:17,909 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 12164 mSDsluCounter, 5353 mSDsCounter, 0 mSdLazyCounter, 6020 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12164 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 6020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:17,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12164 Valid, 7060 Invalid, 6086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 6020 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:34:17,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:34:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:34:18,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4653428250281004) internal successors, (3911), 2705 states have internal predecessors, (3911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3911 transitions. [2022-07-12 07:34:18,127 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3911 transitions. Word has length 126 [2022-07-12 07:34:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:18,127 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3911 transitions. [2022-07-12 07:34:18,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3911 transitions. [2022-07-12 07:34:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:18,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:18,131 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:18,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 07:34:18,131 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:18,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1033236109, now seen corresponding path program 1 times [2022-07-12 07:34:18,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:18,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414845222] [2022-07-12 07:34:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:18,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:18,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414845222] [2022-07-12 07:34:18,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414845222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:18,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:18,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:18,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461163282] [2022-07-12 07:34:18,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:18,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:18,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:18,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:18,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:18,230 INFO L87 Difference]: Start difference. First operand 2706 states and 3911 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:20,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:20,921 INFO L93 Difference]: Finished difference Result 4994 states and 7239 transitions. [2022-07-12 07:34:20,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:20,922 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:20,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:20,928 INFO L225 Difference]: With dead ends: 4994 [2022-07-12 07:34:20,928 INFO L226 Difference]: Without dead ends: 4590 [2022-07-12 07:34:20,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:20,930 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 10486 mSDsluCounter, 5536 mSDsCounter, 0 mSdLazyCounter, 6263 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10486 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 6296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 6263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:20,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10486 Valid, 7426 Invalid, 6296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 6263 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 07:34:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-12 07:34:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-12 07:34:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.464968152866242) internal successors, (3910), 2705 states have internal predecessors, (3910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3910 transitions. [2022-07-12 07:34:21,166 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3910 transitions. Word has length 126 [2022-07-12 07:34:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:21,166 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3910 transitions. [2022-07-12 07:34:21,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3910 transitions. [2022-07-12 07:34:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:21,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:21,169 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:21,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 07:34:21,169 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:21,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2018426482, now seen corresponding path program 1 times [2022-07-12 07:34:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:21,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025409207] [2022-07-12 07:34:21,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:21,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:21,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:21,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025409207] [2022-07-12 07:34:21,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025409207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:21,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:21,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:21,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420687988] [2022-07-12 07:34:21,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:21,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:21,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:21,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:21,290 INFO L87 Difference]: Start difference. First operand 2706 states and 3910 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:23,847 INFO L93 Difference]: Finished difference Result 4835 states and 7008 transitions. [2022-07-12 07:34:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:23,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:23,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:23,853 INFO L225 Difference]: With dead ends: 4835 [2022-07-12 07:34:23,853 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:34:23,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:23,855 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 6621 mSDsluCounter, 5896 mSDsCounter, 0 mSdLazyCounter, 6535 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6621 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 6572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 6535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:23,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6621 Valid, 7697 Invalid, 6572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 6535 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:34:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:34:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:34:24,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4645934807043837) internal successors, (3909), 2705 states have internal predecessors, (3909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3909 transitions. [2022-07-12 07:34:24,088 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3909 transitions. Word has length 126 [2022-07-12 07:34:24,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:24,088 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3909 transitions. [2022-07-12 07:34:24,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3909 transitions. [2022-07-12 07:34:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:24,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:24,091 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:24,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 07:34:24,092 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:24,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:24,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1814493165, now seen corresponding path program 1 times [2022-07-12 07:34:24,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:24,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407834032] [2022-07-12 07:34:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:24,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:24,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:24,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407834032] [2022-07-12 07:34:24,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407834032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:24,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:24,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465299857] [2022-07-12 07:34:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:24,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:24,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:24,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:24,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:24,196 INFO L87 Difference]: Start difference. First operand 2706 states and 3909 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:26,458 INFO L93 Difference]: Finished difference Result 4219 states and 5987 transitions. [2022-07-12 07:34:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:26,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:26,464 INFO L225 Difference]: With dead ends: 4219 [2022-07-12 07:34:26,464 INFO L226 Difference]: Without dead ends: 4214 [2022-07-12 07:34:26,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:26,467 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 7153 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5383 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7153 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 5828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 5383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:26,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7153 Valid, 5581 Invalid, 5828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 5383 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-12 07:34:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-12 07:34:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.463844136380667) internal successors, (3907), 2705 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3907 transitions. [2022-07-12 07:34:26,748 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3907 transitions. Word has length 126 [2022-07-12 07:34:26,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:26,748 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3907 transitions. [2022-07-12 07:34:26,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3907 transitions. [2022-07-12 07:34:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:26,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:26,751 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:26,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 07:34:26,752 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:26,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:26,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1182584093, now seen corresponding path program 1 times [2022-07-12 07:34:26,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:26,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237112386] [2022-07-12 07:34:26,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:26,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:26,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:26,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237112386] [2022-07-12 07:34:26,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237112386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:26,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:26,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:26,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541486862] [2022-07-12 07:34:26,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:26,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:26,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:26,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:26,851 INFO L87 Difference]: Start difference. First operand 2706 states and 3907 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:29,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:29,311 INFO L93 Difference]: Finished difference Result 4940 states and 7143 transitions. [2022-07-12 07:34:29,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:29,311 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:29,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:29,317 INFO L225 Difference]: With dead ends: 4940 [2022-07-12 07:34:29,317 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:34:29,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:29,319 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 13696 mSDsluCounter, 5878 mSDsCounter, 0 mSdLazyCounter, 6509 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13696 SdHoareTripleChecker+Valid, 7679 SdHoareTripleChecker+Invalid, 6581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 6509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:29,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13696 Valid, 7679 Invalid, 6581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 6509 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:34:29,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:34:29,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:34:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4630947920569501) internal successors, (3905), 2705 states have internal predecessors, (3905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3905 transitions. [2022-07-12 07:34:29,559 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3905 transitions. Word has length 126 [2022-07-12 07:34:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:29,559 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3905 transitions. [2022-07-12 07:34:29,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3905 transitions. [2022-07-12 07:34:29,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:29,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:29,562 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:29,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 07:34:29,563 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:29,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:29,563 INFO L85 PathProgramCache]: Analyzing trace with hash -407743545, now seen corresponding path program 1 times [2022-07-12 07:34:29,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:29,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401609636] [2022-07-12 07:34:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:29,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:29,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401609636] [2022-07-12 07:34:29,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401609636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:29,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:29,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:29,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124288694] [2022-07-12 07:34:29,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:29,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:29,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:29,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:29,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:29,678 INFO L87 Difference]: Start difference. First operand 2706 states and 3905 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:31,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:31,906 INFO L93 Difference]: Finished difference Result 5170 states and 7488 transitions. [2022-07-12 07:34:31,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:31,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:31,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:31,913 INFO L225 Difference]: With dead ends: 5170 [2022-07-12 07:34:31,913 INFO L226 Difference]: Without dead ends: 4590 [2022-07-12 07:34:31,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:31,916 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 10322 mSDsluCounter, 5802 mSDsCounter, 0 mSdLazyCounter, 6361 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10322 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 6396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 6361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:31,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10322 Valid, 7616 Invalid, 6396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 6361 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:31,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-12 07:34:32,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-12 07:34:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4623454477332334) internal successors, (3903), 2705 states have internal predecessors, (3903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3903 transitions. [2022-07-12 07:34:32,166 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3903 transitions. Word has length 126 [2022-07-12 07:34:32,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:32,167 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3903 transitions. [2022-07-12 07:34:32,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3903 transitions. [2022-07-12 07:34:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:32,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:32,170 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:32,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 07:34:32,171 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:32,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:32,171 INFO L85 PathProgramCache]: Analyzing trace with hash -829302792, now seen corresponding path program 1 times [2022-07-12 07:34:32,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:32,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759266588] [2022-07-12 07:34:32,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:32,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:32,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759266588] [2022-07-12 07:34:32,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759266588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:32,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:32,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:32,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114587550] [2022-07-12 07:34:32,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:32,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:32,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:32,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:32,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:32,295 INFO L87 Difference]: Start difference. First operand 2706 states and 3903 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:34,712 INFO L93 Difference]: Finished difference Result 4219 states and 5979 transitions. [2022-07-12 07:34:34,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:34,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:34,717 INFO L225 Difference]: With dead ends: 4219 [2022-07-12 07:34:34,717 INFO L226 Difference]: Without dead ends: 4214 [2022-07-12 07:34:34,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:34,721 INFO L413 NwaCegarLoop]: 1365 mSDtfsCounter, 10376 mSDsluCounter, 4216 mSDsCounter, 0 mSdLazyCounter, 5372 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10376 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 5372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:34,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10376 Valid, 5581 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [698 Valid, 5372 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:34:34,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-12 07:34:34,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-12 07:34:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4615961034095166) internal successors, (3901), 2705 states have internal predecessors, (3901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3901 transitions. [2022-07-12 07:34:34,973 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3901 transitions. Word has length 126 [2022-07-12 07:34:34,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:34,973 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3901 transitions. [2022-07-12 07:34:34,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3901 transitions. [2022-07-12 07:34:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 07:34:34,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:34,976 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:34,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 07:34:34,977 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:34,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash 987279281, now seen corresponding path program 1 times [2022-07-12 07:34:34,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:34,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108113810] [2022-07-12 07:34:34,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:34,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:35,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:35,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108113810] [2022-07-12 07:34:35,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108113810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:35,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:35,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:35,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634084000] [2022-07-12 07:34:35,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:35,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:35,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:35,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:35,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:35,090 INFO L87 Difference]: Start difference. First operand 2706 states and 3901 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:37,565 INFO L93 Difference]: Finished difference Result 4281 states and 6191 transitions. [2022-07-12 07:34:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 07:34:37,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-12 07:34:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:37,569 INFO L225 Difference]: With dead ends: 4281 [2022-07-12 07:34:37,569 INFO L226 Difference]: Without dead ends: 3183 [2022-07-12 07:34:37,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2022-07-12 07:34:37,571 INFO L413 NwaCegarLoop]: 1586 mSDtfsCounter, 7319 mSDsluCounter, 5474 mSDsCounter, 0 mSdLazyCounter, 5861 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7319 SdHoareTripleChecker+Valid, 7060 SdHoareTripleChecker+Invalid, 5885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:37,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7319 Valid, 7060 Invalid, 5885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5861 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:34:37,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-07-12 07:34:37,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2706. [2022-07-12 07:34:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4608467590857999) internal successors, (3899), 2705 states have internal predecessors, (3899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3899 transitions. [2022-07-12 07:34:37,873 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3899 transitions. Word has length 126 [2022-07-12 07:34:37,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:37,874 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3899 transitions. [2022-07-12 07:34:37,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 8 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:37,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3899 transitions. [2022-07-12 07:34:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:37,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:37,877 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:37,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 07:34:37,877 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:37,877 INFO L85 PathProgramCache]: Analyzing trace with hash 681403934, now seen corresponding path program 1 times [2022-07-12 07:34:37,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:37,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122355091] [2022-07-12 07:34:37,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:37,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:37,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:37,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122355091] [2022-07-12 07:34:37,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122355091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:37,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:37,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:37,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995309245] [2022-07-12 07:34:37,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:37,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:37,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:37,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:37,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:37,981 INFO L87 Difference]: Start difference. First operand 2706 states and 3899 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:40,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:40,183 INFO L93 Difference]: Finished difference Result 4820 states and 6974 transitions. [2022-07-12 07:34:40,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:40,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:40,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:40,189 INFO L225 Difference]: With dead ends: 4820 [2022-07-12 07:34:40,189 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:34:40,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:40,190 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 9466 mSDsluCounter, 6321 mSDsCounter, 0 mSdLazyCounter, 6981 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9466 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 7033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 6981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:40,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9466 Valid, 8202 Invalid, 7033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 6981 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:34:40,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:34:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4604720869239416) internal successors, (3898), 2705 states have internal predecessors, (3898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:40,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3898 transitions. [2022-07-12 07:34:40,462 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3898 transitions. Word has length 128 [2022-07-12 07:34:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:40,475 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3898 transitions. [2022-07-12 07:34:40,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3898 transitions. [2022-07-12 07:34:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:40,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:40,487 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 07:34:40,487 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:40,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:40,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1420830732, now seen corresponding path program 1 times [2022-07-12 07:34:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:40,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296683072] [2022-07-12 07:34:40,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:40,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:40,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:40,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296683072] [2022-07-12 07:34:40,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296683072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:40,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:40,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564619820] [2022-07-12 07:34:40,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:40,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:40,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:40,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:40,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:40,626 INFO L87 Difference]: Start difference. First operand 2706 states and 3898 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:43,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:43,076 INFO L93 Difference]: Finished difference Result 4578 states and 6567 transitions. [2022-07-12 07:34:43,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:43,077 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:43,083 INFO L225 Difference]: With dead ends: 4578 [2022-07-12 07:34:43,083 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:34:43,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:43,084 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7021 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5446 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7021 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:43,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7021 Valid, 6139 Invalid, 5681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5446 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:34:43,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:34:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:34:43,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.460097414762083) internal successors, (3897), 2705 states have internal predecessors, (3897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3897 transitions. [2022-07-12 07:34:43,386 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3897 transitions. Word has length 128 [2022-07-12 07:34:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:43,386 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3897 transitions. [2022-07-12 07:34:43,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3897 transitions. [2022-07-12 07:34:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:43,389 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:43,389 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:43,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-12 07:34:43,389 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:43,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:43,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1591777376, now seen corresponding path program 1 times [2022-07-12 07:34:43,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:43,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175028365] [2022-07-12 07:34:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:43,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:43,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:43,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:43,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175028365] [2022-07-12 07:34:43,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175028365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:43,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:43,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:43,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278318741] [2022-07-12 07:34:43,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:43,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:43,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:43,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:43,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:43,488 INFO L87 Difference]: Start difference. First operand 2706 states and 3897 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:45,982 INFO L93 Difference]: Finished difference Result 4765 states and 6878 transitions. [2022-07-12 07:34:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:45,982 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:45,987 INFO L225 Difference]: With dead ends: 4765 [2022-07-12 07:34:45,988 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:34:45,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:45,991 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 6340 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 6656 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6340 SdHoareTripleChecker+Valid, 7851 SdHoareTripleChecker+Invalid, 6717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 6656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:45,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6340 Valid, 7851 Invalid, 6717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 6656 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:34:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:34:46,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-12 07:34:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4597227426002248) internal successors, (3896), 2705 states have internal predecessors, (3896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3896 transitions. [2022-07-12 07:34:46,315 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3896 transitions. Word has length 128 [2022-07-12 07:34:46,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:46,316 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3896 transitions. [2022-07-12 07:34:46,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3896 transitions. [2022-07-12 07:34:46,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:46,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:46,318 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:46,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 07:34:46,319 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:46,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:46,319 INFO L85 PathProgramCache]: Analyzing trace with hash -931556890, now seen corresponding path program 1 times [2022-07-12 07:34:46,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:46,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237133457] [2022-07-12 07:34:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:46,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:46,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:46,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237133457] [2022-07-12 07:34:46,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237133457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:46,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:46,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346434961] [2022-07-12 07:34:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:46,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:46,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:46,465 INFO L87 Difference]: Start difference. First operand 2706 states and 3896 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:48,767 INFO L93 Difference]: Finished difference Result 4580 states and 6566 transitions. [2022-07-12 07:34:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:48,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:48,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:48,773 INFO L225 Difference]: With dead ends: 4580 [2022-07-12 07:34:48,773 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:34:48,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:48,775 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10608 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5437 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10608 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:48,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10608 Valid, 6139 Invalid, 5804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5437 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:34:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:34:49,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:34:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4593480704383663) internal successors, (3895), 2705 states have internal predecessors, (3895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3895 transitions. [2022-07-12 07:34:49,087 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3895 transitions. Word has length 128 [2022-07-12 07:34:49,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:49,087 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3895 transitions. [2022-07-12 07:34:49,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3895 transitions. [2022-07-12 07:34:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:49,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:49,090 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:49,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-12 07:34:49,090 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:49,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1604231275, now seen corresponding path program 1 times [2022-07-12 07:34:49,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:49,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327166508] [2022-07-12 07:34:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:49,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:49,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327166508] [2022-07-12 07:34:49,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327166508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:49,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:49,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:49,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545125479] [2022-07-12 07:34:49,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:49,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:49,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:49,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:49,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:49,192 INFO L87 Difference]: Start difference. First operand 2706 states and 3895 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:51,827 INFO L93 Difference]: Finished difference Result 4584 states and 6568 transitions. [2022-07-12 07:34:51,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:51,833 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:51,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:51,838 INFO L225 Difference]: With dead ends: 4584 [2022-07-12 07:34:51,839 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:34:51,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:51,840 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10614 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5431 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10614 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:51,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10614 Valid, 6134 Invalid, 5798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5431 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:34:51,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:34:52,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:34:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.458973398276508) internal successors, (3894), 2705 states have internal predecessors, (3894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3894 transitions. [2022-07-12 07:34:52,160 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3894 transitions. Word has length 128 [2022-07-12 07:34:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:52,160 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3894 transitions. [2022-07-12 07:34:52,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3894 transitions. [2022-07-12 07:34:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:52,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:52,162 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:52,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-07-12 07:34:52,163 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:52,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:52,163 INFO L85 PathProgramCache]: Analyzing trace with hash -943249158, now seen corresponding path program 1 times [2022-07-12 07:34:52,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:52,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990684144] [2022-07-12 07:34:52,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:52,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:52,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990684144] [2022-07-12 07:34:52,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990684144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:52,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:52,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:52,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693949182] [2022-07-12 07:34:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:52,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:52,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:52,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:52,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:52,257 INFO L87 Difference]: Start difference. First operand 2706 states and 3894 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:54,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:54,762 INFO L93 Difference]: Finished difference Result 4580 states and 6562 transitions. [2022-07-12 07:34:54,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:54,763 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:54,769 INFO L225 Difference]: With dead ends: 4580 [2022-07-12 07:34:54,769 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:34:54,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:54,771 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10598 mSDsluCounter, 4702 mSDsCounter, 0 mSdLazyCounter, 5428 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10598 SdHoareTripleChecker+Valid, 6138 SdHoareTripleChecker+Invalid, 5795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:54,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10598 Valid, 6138 Invalid, 5795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5428 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:34:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:34:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:34:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4585987261146496) internal successors, (3893), 2705 states have internal predecessors, (3893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3893 transitions. [2022-07-12 07:34:55,101 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3893 transitions. Word has length 128 [2022-07-12 07:34:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:55,101 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3893 transitions. [2022-07-12 07:34:55,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3893 transitions. [2022-07-12 07:34:55,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:55,104 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:55,104 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:55,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 07:34:55,105 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:55,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash -337041358, now seen corresponding path program 1 times [2022-07-12 07:34:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:55,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334526962] [2022-07-12 07:34:55,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:55,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:55,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334526962] [2022-07-12 07:34:55,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334526962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:55,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:55,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:55,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773333438] [2022-07-12 07:34:55,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:55,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:55,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:55,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:55,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:55,271 INFO L87 Difference]: Start difference. First operand 2706 states and 3893 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:34:57,837 INFO L93 Difference]: Finished difference Result 4405 states and 6248 transitions. [2022-07-12 07:34:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:34:57,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:34:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:34:57,850 INFO L225 Difference]: With dead ends: 4405 [2022-07-12 07:34:57,850 INFO L226 Difference]: Without dead ends: 4214 [2022-07-12 07:34:57,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:34:57,852 INFO L413 NwaCegarLoop]: 1390 mSDtfsCounter, 7074 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 441 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7074 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 5867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 441 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:34:57,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7074 Valid, 5680 Invalid, 5867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [441 Valid, 5426 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:34:57,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2022-07-12 07:34:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 2706. [2022-07-12 07:34:58,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4582240539527913) internal successors, (3892), 2705 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3892 transitions. [2022-07-12 07:34:58,209 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3892 transitions. Word has length 128 [2022-07-12 07:34:58,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:34:58,209 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3892 transitions. [2022-07-12 07:34:58,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:34:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3892 transitions. [2022-07-12 07:34:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:34:58,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:34:58,212 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:34:58,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-12 07:34:58,212 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:34:58,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:34:58,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1226086168, now seen corresponding path program 1 times [2022-07-12 07:34:58,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:34:58,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629477788] [2022-07-12 07:34:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:34:58,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:34:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:34:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:34:58,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:34:58,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629477788] [2022-07-12 07:34:58,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629477788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:34:58,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:34:58,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:34:58,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310486922] [2022-07-12 07:34:58,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:34:58,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:34:58,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:34:58,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:34:58,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:34:58,318 INFO L87 Difference]: Start difference. First operand 2706 states and 3892 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:00,959 INFO L93 Difference]: Finished difference Result 4858 states and 7004 transitions. [2022-07-12 07:35:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:00,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:00,965 INFO L225 Difference]: With dead ends: 4858 [2022-07-12 07:35:00,965 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:35:00,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:00,967 INFO L413 NwaCegarLoop]: 2036 mSDtfsCounter, 12632 mSDsluCounter, 6269 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12632 SdHoareTripleChecker+Valid, 8305 SdHoareTripleChecker+Invalid, 7105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:00,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12632 Valid, 8305 Invalid, 7105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:35:00,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:35:01,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:35:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.457849381790933) internal successors, (3891), 2705 states have internal predecessors, (3891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3891 transitions. [2022-07-12 07:35:01,317 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3891 transitions. Word has length 128 [2022-07-12 07:35:01,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:01,317 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3891 transitions. [2022-07-12 07:35:01,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:01,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3891 transitions. [2022-07-12 07:35:01,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:01,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:01,320 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:01,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-07-12 07:35:01,320 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:01,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1069708262, now seen corresponding path program 1 times [2022-07-12 07:35:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:01,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44126176] [2022-07-12 07:35:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:01,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:01,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:01,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44126176] [2022-07-12 07:35:01,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44126176] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:01,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:01,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:01,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959331418] [2022-07-12 07:35:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:01,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:01,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:01,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:01,418 INFO L87 Difference]: Start difference. First operand 2706 states and 3891 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:03,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:03,735 INFO L93 Difference]: Finished difference Result 4584 states and 6561 transitions. [2022-07-12 07:35:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:03,736 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:03,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:03,741 INFO L225 Difference]: With dead ends: 4584 [2022-07-12 07:35:03,741 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:03,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:03,743 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10595 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5413 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10595 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:03,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10595 Valid, 6134 Invalid, 5780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5413 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:35:03,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:04,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4574747096290745) internal successors, (3890), 2705 states have internal predecessors, (3890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3890 transitions. [2022-07-12 07:35:04,097 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3890 transitions. Word has length 128 [2022-07-12 07:35:04,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:04,097 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3890 transitions. [2022-07-12 07:35:04,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3890 transitions. [2022-07-12 07:35:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:04,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:04,105 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:04,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-12 07:35:04,105 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:04,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:04,105 INFO L85 PathProgramCache]: Analyzing trace with hash 883623581, now seen corresponding path program 1 times [2022-07-12 07:35:04,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:04,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845174611] [2022-07-12 07:35:04,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:04,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:04,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:04,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845174611] [2022-07-12 07:35:04,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845174611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:04,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:04,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520789671] [2022-07-12 07:35:04,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:04,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:04,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:04,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:04,232 INFO L87 Difference]: Start difference. First operand 2706 states and 3890 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:06,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:06,571 INFO L93 Difference]: Finished difference Result 4808 states and 6930 transitions. [2022-07-12 07:35:06,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:06,572 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:06,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:06,577 INFO L225 Difference]: With dead ends: 4808 [2022-07-12 07:35:06,578 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:35:06,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:06,580 INFO L413 NwaCegarLoop]: 1822 mSDtfsCounter, 13340 mSDsluCounter, 6038 mSDsCounter, 0 mSdLazyCounter, 6581 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13340 SdHoareTripleChecker+Valid, 7860 SdHoareTripleChecker+Invalid, 6708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 6581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:06,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13340 Valid, 7860 Invalid, 6708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 6581 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 07:35:06,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:35:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-12 07:35:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4567253653053578) internal successors, (3888), 2705 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3888 transitions. [2022-07-12 07:35:06,968 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3888 transitions. Word has length 128 [2022-07-12 07:35:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:06,969 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3888 transitions. [2022-07-12 07:35:06,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3888 transitions. [2022-07-12 07:35:06,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:06,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:06,971 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:06,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-12 07:35:06,972 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:06,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1591765089, now seen corresponding path program 1 times [2022-07-12 07:35:06,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:06,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640960653] [2022-07-12 07:35:06,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:06,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:07,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:07,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:07,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640960653] [2022-07-12 07:35:07,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640960653] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:07,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:07,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:07,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278477412] [2022-07-12 07:35:07,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:07,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:07,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:07,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:07,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:07,076 INFO L87 Difference]: Start difference. First operand 2706 states and 3888 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:09,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:09,810 INFO L93 Difference]: Finished difference Result 4924 states and 7106 transitions. [2022-07-12 07:35:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:09,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:09,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:09,817 INFO L225 Difference]: With dead ends: 4924 [2022-07-12 07:35:09,817 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:35:09,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2022-07-12 07:35:09,818 INFO L413 NwaCegarLoop]: 1901 mSDtfsCounter, 13025 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 6825 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13025 SdHoareTripleChecker+Valid, 8130 SdHoareTripleChecker+Invalid, 6898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 6825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:09,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13025 Valid, 8130 Invalid, 6898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 6825 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:35:09,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:35:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:35:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.455976020981641) internal successors, (3886), 2705 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3886 transitions. [2022-07-12 07:35:10,222 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3886 transitions. Word has length 128 [2022-07-12 07:35:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:10,222 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3886 transitions. [2022-07-12 07:35:10,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3886 transitions. [2022-07-12 07:35:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:10,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:10,224 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:10,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-12 07:35:10,225 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:10,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:10,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1715317699, now seen corresponding path program 1 times [2022-07-12 07:35:10,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:10,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944172462] [2022-07-12 07:35:10,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:10,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:10,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:10,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944172462] [2022-07-12 07:35:10,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944172462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:10,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:10,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:10,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501820881] [2022-07-12 07:35:10,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:10,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:10,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:10,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:10,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:10,319 INFO L87 Difference]: Start difference. First operand 2706 states and 3886 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:12,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:12,905 INFO L93 Difference]: Finished difference Result 4588 states and 6562 transitions. [2022-07-12 07:35:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:12,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:12,911 INFO L225 Difference]: With dead ends: 4588 [2022-07-12 07:35:12,911 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:12,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:12,913 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10571 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5403 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10571 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:12,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10571 Valid, 6139 Invalid, 5770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5403 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:35:12,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:13,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4552266766579243) internal successors, (3884), 2705 states have internal predecessors, (3884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3884 transitions. [2022-07-12 07:35:13,342 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3884 transitions. Word has length 128 [2022-07-12 07:35:13,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3884 transitions. [2022-07-12 07:35:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3884 transitions. [2022-07-12 07:35:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:13,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:13,344 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:13,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-07-12 07:35:13,345 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:13,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:13,345 INFO L85 PathProgramCache]: Analyzing trace with hash 295990348, now seen corresponding path program 1 times [2022-07-12 07:35:13,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:13,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306475222] [2022-07-12 07:35:13,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:13,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:13,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:13,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306475222] [2022-07-12 07:35:13,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306475222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:13,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:13,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:13,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205246562] [2022-07-12 07:35:13,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:13,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:13,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:13,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:13,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:13,442 INFO L87 Difference]: Start difference. First operand 2706 states and 3884 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:15,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:15,962 INFO L93 Difference]: Finished difference Result 4590 states and 6559 transitions. [2022-07-12 07:35:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:15,963 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:15,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:15,967 INFO L225 Difference]: With dead ends: 4590 [2022-07-12 07:35:15,967 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:15,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:15,968 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 7001 mSDsluCounter, 4700 mSDsCounter, 0 mSdLazyCounter, 5396 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7001 SdHoareTripleChecker+Valid, 6136 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:15,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7001 Valid, 6136 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5396 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:35:15,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4544773323342075) internal successors, (3882), 2705 states have internal predecessors, (3882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3882 transitions. [2022-07-12 07:35:16,359 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3882 transitions. Word has length 128 [2022-07-12 07:35:16,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:16,359 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3882 transitions. [2022-07-12 07:35:16,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3882 transitions. [2022-07-12 07:35:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:16,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:16,362 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:16,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-07-12 07:35:16,362 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:16,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:16,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1590504953, now seen corresponding path program 1 times [2022-07-12 07:35:16,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:16,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960568837] [2022-07-12 07:35:16,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:16,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:16,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:16,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:16,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960568837] [2022-07-12 07:35:16,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960568837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:16,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:16,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:16,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410654919] [2022-07-12 07:35:16,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:16,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:16,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:16,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:16,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:16,455 INFO L87 Difference]: Start difference. First operand 2706 states and 3882 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:19,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:19,146 INFO L93 Difference]: Finished difference Result 5260 states and 7568 transitions. [2022-07-12 07:35:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:19,147 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:19,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:19,152 INFO L225 Difference]: With dead ends: 5260 [2022-07-12 07:35:19,152 INFO L226 Difference]: Without dead ends: 4590 [2022-07-12 07:35:19,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:19,153 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 9204 mSDsluCounter, 6471 mSDsCounter, 0 mSdLazyCounter, 7117 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9204 SdHoareTripleChecker+Valid, 8689 SdHoareTripleChecker+Invalid, 7149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 7117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:19,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9204 Valid, 8689 Invalid, 7149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 7117 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:35:19,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4590 states. [2022-07-12 07:35:19,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4590 to 2706. [2022-07-12 07:35:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4537279880104907) internal successors, (3880), 2705 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3880 transitions. [2022-07-12 07:35:19,542 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3880 transitions. Word has length 128 [2022-07-12 07:35:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:19,542 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3880 transitions. [2022-07-12 07:35:19,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3880 transitions. [2022-07-12 07:35:19,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:19,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:19,544 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:19,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-07-12 07:35:19,545 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:19,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:19,545 INFO L85 PathProgramCache]: Analyzing trace with hash -649704393, now seen corresponding path program 1 times [2022-07-12 07:35:19,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:19,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583208747] [2022-07-12 07:35:19,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:19,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:19,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:19,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583208747] [2022-07-12 07:35:19,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583208747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:19,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:19,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016292679] [2022-07-12 07:35:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:19,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:19,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:19,638 INFO L87 Difference]: Start difference. First operand 2706 states and 3880 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:22,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:22,181 INFO L93 Difference]: Finished difference Result 4594 states and 6559 transitions. [2022-07-12 07:35:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:22,181 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:22,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:22,187 INFO L225 Difference]: With dead ends: 4594 [2022-07-12 07:35:22,187 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:22,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:22,188 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10568 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 5389 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10568 SdHoareTripleChecker+Valid, 6134 SdHoareTripleChecker+Invalid, 5756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:22,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10568 Valid, 6134 Invalid, 5756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5389 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:35:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:22,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:22,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.452978643686774) internal successors, (3878), 2705 states have internal predecessors, (3878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3878 transitions. [2022-07-12 07:35:22,589 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3878 transitions. Word has length 128 [2022-07-12 07:35:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:22,589 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3878 transitions. [2022-07-12 07:35:22,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:22,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3878 transitions. [2022-07-12 07:35:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:22,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:22,592 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:22,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-07-12 07:35:22,592 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1947594431, now seen corresponding path program 1 times [2022-07-12 07:35:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:22,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712582758] [2022-07-12 07:35:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:22,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:22,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712582758] [2022-07-12 07:35:22,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712582758] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:22,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:22,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294635277] [2022-07-12 07:35:22,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:22,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:22,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:22,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:22,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:22,692 INFO L87 Difference]: Start difference. First operand 2706 states and 3878 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:25,389 INFO L93 Difference]: Finished difference Result 4960 states and 7136 transitions. [2022-07-12 07:35:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:25,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:25,395 INFO L225 Difference]: With dead ends: 4960 [2022-07-12 07:35:25,395 INFO L226 Difference]: Without dead ends: 4554 [2022-07-12 07:35:25,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:25,397 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 7724 mSDsluCounter, 6833 mSDsCounter, 0 mSdLazyCounter, 7389 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7724 SdHoareTripleChecker+Valid, 8947 SdHoareTripleChecker+Invalid, 7437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 7389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:25,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7724 Valid, 8947 Invalid, 7437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 7389 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:35:25,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4554 states. [2022-07-12 07:35:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4554 to 2706. [2022-07-12 07:35:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4522292993630572) internal successors, (3876), 2705 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3876 transitions. [2022-07-12 07:35:25,831 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3876 transitions. Word has length 128 [2022-07-12 07:35:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:25,831 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3876 transitions. [2022-07-12 07:35:25,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3876 transitions. [2022-07-12 07:35:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 07:35:25,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:25,834 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:25,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-07-12 07:35:25,834 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:25,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:25,835 INFO L85 PathProgramCache]: Analyzing trace with hash 757045227, now seen corresponding path program 1 times [2022-07-12 07:35:25,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:25,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630024927] [2022-07-12 07:35:25,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:25,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:25,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630024927] [2022-07-12 07:35:25,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630024927] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:25,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:25,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:25,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712815296] [2022-07-12 07:35:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:25,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:25,996 INFO L87 Difference]: Start difference. First operand 2706 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:29,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:29,338 INFO L93 Difference]: Finished difference Result 4812 states and 6920 transitions. [2022-07-12 07:35:29,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:29,339 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-07-12 07:35:29,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:29,344 INFO L225 Difference]: With dead ends: 4812 [2022-07-12 07:35:29,344 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:35:29,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:29,346 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 7276 mSDsluCounter, 6839 mSDsCounter, 0 mSdLazyCounter, 7505 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7276 SdHoareTripleChecker+Valid, 8941 SdHoareTripleChecker+Invalid, 7580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 7505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:29,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7276 Valid, 8941 Invalid, 7580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 7505 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:35:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:35:29,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2706. [2022-07-12 07:35:29,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4514799550393407) internal successors, (3874), 2705 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3874 transitions. [2022-07-12 07:35:29,789 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3874 transitions. Word has length 128 [2022-07-12 07:35:29,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:29,789 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3874 transitions. [2022-07-12 07:35:29,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 8 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:29,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3874 transitions. [2022-07-12 07:35:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:29,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:29,795 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:29,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-07-12 07:35:29,796 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:29,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:29,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1772568616, now seen corresponding path program 1 times [2022-07-12 07:35:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:29,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132347529] [2022-07-12 07:35:29,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:29,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:29,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132347529] [2022-07-12 07:35:29,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132347529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:29,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:29,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:29,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497954540] [2022-07-12 07:35:29,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:29,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:29,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:29,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:29,889 INFO L87 Difference]: Start difference. First operand 2706 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:32,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:32,331 INFO L93 Difference]: Finished difference Result 4578 states and 6531 transitions. [2022-07-12 07:35:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:32,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:32,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:32,336 INFO L225 Difference]: With dead ends: 4578 [2022-07-12 07:35:32,336 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:32,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:32,337 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 6970 mSDsluCounter, 4703 mSDsCounter, 0 mSdLazyCounter, 5381 mSolverCounterSat, 235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 6139 SdHoareTripleChecker+Invalid, 5616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 235 IncrementalHoareTripleChecker+Valid, 5381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:32,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6970 Valid, 6139 Invalid, 5616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [235 Valid, 5381 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:35:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:32,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.4511052828774822) internal successors, (3873), 2705 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3873 transitions. [2022-07-12 07:35:32,758 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3873 transitions. Word has length 130 [2022-07-12 07:35:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:32,758 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3873 transitions. [2022-07-12 07:35:32,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3873 transitions. [2022-07-12 07:35:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:32,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:32,761 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:32,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-12 07:35:32,761 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:32,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:32,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1325529909, now seen corresponding path program 1 times [2022-07-12 07:35:32,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:32,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027949342] [2022-07-12 07:35:32,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:32,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:32,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027949342] [2022-07-12 07:35:32,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027949342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:32,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:32,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:32,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112385530] [2022-07-12 07:35:32,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:32,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:32,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:32,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:32,845 INFO L87 Difference]: Start difference. First operand 2706 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:35,413 INFO L93 Difference]: Finished difference Result 4578 states and 6529 transitions. [2022-07-12 07:35:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:35,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:35,418 INFO L225 Difference]: With dead ends: 4578 [2022-07-12 07:35:35,418 INFO L226 Difference]: Without dead ends: 4386 [2022-07-12 07:35:35,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:35,420 INFO L413 NwaCegarLoop]: 1436 mSDtfsCounter, 10514 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 5374 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10514 SdHoareTripleChecker+Valid, 6142 SdHoareTripleChecker+Invalid, 5741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 5374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:35,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10514 Valid, 6142 Invalid, 5741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 5374 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 07:35:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2022-07-12 07:35:35,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 2706. [2022-07-12 07:35:35,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 2669 states have (on average 1.450730610715624) internal successors, (3872), 2705 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 3872 transitions. [2022-07-12 07:35:35,845 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 3872 transitions. Word has length 130 [2022-07-12 07:35:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:35,846 INFO L495 AbstractCegarLoop]: Abstraction has 2706 states and 3872 transitions. [2022-07-12 07:35:35,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3872 transitions. [2022-07-12 07:35:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:35,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:35,848 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:35,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-12 07:35:35,849 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:35,849 INFO L85 PathProgramCache]: Analyzing trace with hash 482117909, now seen corresponding path program 1 times [2022-07-12 07:35:35,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:35,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127692191] [2022-07-12 07:35:35,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:35,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:36,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:36,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127692191] [2022-07-12 07:35:36,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127692191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:36,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:36,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:35:36,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614472964] [2022-07-12 07:35:36,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:36,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:35:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:36,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:35:36,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:35:36,021 INFO L87 Difference]: Start difference. First operand 2706 states and 3872 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:41,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:41,239 INFO L93 Difference]: Finished difference Result 6158 states and 8919 transitions. [2022-07-12 07:35:41,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:35:41,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:41,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:41,246 INFO L225 Difference]: With dead ends: 6158 [2022-07-12 07:35:41,247 INFO L226 Difference]: Without dead ends: 5931 [2022-07-12 07:35:41,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:35:41,250 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 18464 mSDsluCounter, 9889 mSDsCounter, 0 mSdLazyCounter, 10285 mSolverCounterSat, 1311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18464 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 11596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1311 IncrementalHoareTripleChecker+Valid, 10285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:41,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18464 Valid, 12094 Invalid, 11596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1311 Valid, 10285 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:35:41,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5931 states. [2022-07-12 07:35:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5931 to 2710. [2022-07-12 07:35:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4500561167227835) internal successors, (3876), 2709 states have internal predecessors, (3876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3876 transitions. [2022-07-12 07:35:41,754 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3876 transitions. Word has length 130 [2022-07-12 07:35:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:41,755 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3876 transitions. [2022-07-12 07:35:41,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3876 transitions. [2022-07-12 07:35:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:41,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:41,774 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:41,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-12 07:35:41,775 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:41,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:41,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1400633873, now seen corresponding path program 1 times [2022-07-12 07:35:41,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:41,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694904969] [2022-07-12 07:35:41,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:41,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694904969] [2022-07-12 07:35:41,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694904969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:41,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:41,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364846617] [2022-07-12 07:35:41,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:41,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:41,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:41,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:41,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:41,879 INFO L87 Difference]: Start difference. First operand 2710 states and 3876 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:44,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:44,915 INFO L93 Difference]: Finished difference Result 4750 states and 6825 transitions. [2022-07-12 07:35:44,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:44,915 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:44,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:44,921 INFO L225 Difference]: With dead ends: 4750 [2022-07-12 07:35:44,921 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:35:44,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:44,923 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 5914 mSDsluCounter, 6723 mSDsCounter, 0 mSdLazyCounter, 7371 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5914 SdHoareTripleChecker+Valid, 8773 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 7371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:44,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5914 Valid, 8773 Invalid, 7429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 7371 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 07:35:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:35:45,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-07-12 07:35:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4496820052375607) internal successors, (3875), 2709 states have internal predecessors, (3875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3875 transitions. [2022-07-12 07:35:45,446 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3875 transitions. Word has length 130 [2022-07-12 07:35:45,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:45,446 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3875 transitions. [2022-07-12 07:35:45,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3875 transitions. [2022-07-12 07:35:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:45,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:45,449 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:45,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-12 07:35:45,449 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:45,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:45,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1004203123, now seen corresponding path program 1 times [2022-07-12 07:35:45,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:45,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644495294] [2022-07-12 07:35:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:45,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:45,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644495294] [2022-07-12 07:35:45,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644495294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:45,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:45,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788521380] [2022-07-12 07:35:45,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:45,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:45,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:45,566 INFO L87 Difference]: Start difference. First operand 2710 states and 3875 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:49,178 INFO L93 Difference]: Finished difference Result 4691 states and 6723 transitions. [2022-07-12 07:35:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:49,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:49,183 INFO L225 Difference]: With dead ends: 4691 [2022-07-12 07:35:49,183 INFO L226 Difference]: Without dead ends: 4486 [2022-07-12 07:35:49,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:49,184 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11687 mSDsluCounter, 6939 mSDsCounter, 0 mSdLazyCounter, 7192 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11687 SdHoareTripleChecker+Valid, 8543 SdHoareTripleChecker+Invalid, 7380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 7192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:49,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11687 Valid, 8543 Invalid, 7380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [188 Valid, 7192 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:35:49,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-12 07:35:49,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-12 07:35:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4493078937523383) internal successors, (3874), 2709 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3874 transitions. [2022-07-12 07:35:49,695 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3874 transitions. Word has length 130 [2022-07-12 07:35:49,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:49,695 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3874 transitions. [2022-07-12 07:35:49,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:49,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3874 transitions. [2022-07-12 07:35:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:49,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:49,697 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:49,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-07-12 07:35:49,698 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:49,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1677688633, now seen corresponding path program 1 times [2022-07-12 07:35:49,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:49,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056300457] [2022-07-12 07:35:49,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:49,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:49,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:49,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:49,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056300457] [2022-07-12 07:35:49,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056300457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:49,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:49,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:49,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457995433] [2022-07-12 07:35:49,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:49,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:49,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:49,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:49,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:49,799 INFO L87 Difference]: Start difference. First operand 2710 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:52,996 INFO L93 Difference]: Finished difference Result 4697 states and 6727 transitions. [2022-07-12 07:35:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:53,002 INFO L225 Difference]: With dead ends: 4697 [2022-07-12 07:35:53,002 INFO L226 Difference]: Without dead ends: 4486 [2022-07-12 07:35:53,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:53,003 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 9104 mSDsluCounter, 6258 mSDsCounter, 0 mSdLazyCounter, 6681 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9104 SdHoareTripleChecker+Valid, 7943 SdHoareTripleChecker+Invalid, 6833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 6681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:53,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9104 Valid, 7943 Invalid, 6833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 6681 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 07:35:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-12 07:35:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-12 07:35:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4489337822671156) internal successors, (3873), 2709 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3873 transitions. [2022-07-12 07:35:53,542 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3873 transitions. Word has length 130 [2022-07-12 07:35:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:53,542 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3873 transitions. [2022-07-12 07:35:53,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3873 transitions. [2022-07-12 07:35:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:53,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:53,544 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:53,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-07-12 07:35:53,544 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:53,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1493970645, now seen corresponding path program 1 times [2022-07-12 07:35:53,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:53,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719481980] [2022-07-12 07:35:53,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:53,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:53,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:53,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:53,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719481980] [2022-07-12 07:35:53,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719481980] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:53,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:53,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:53,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305785908] [2022-07-12 07:35:53,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:53,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:53,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:53,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:53,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:53,652 INFO L87 Difference]: Start difference. First operand 2710 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:35:57,302 INFO L93 Difference]: Finished difference Result 4689 states and 6718 transitions. [2022-07-12 07:35:57,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:35:57,302 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:35:57,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:35:57,307 INFO L225 Difference]: With dead ends: 4689 [2022-07-12 07:35:57,307 INFO L226 Difference]: Without dead ends: 4486 [2022-07-12 07:35:57,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:35:57,309 INFO L413 NwaCegarLoop]: 1604 mSDtfsCounter, 11670 mSDsluCounter, 6943 mSDsCounter, 0 mSdLazyCounter, 7183 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11670 SdHoareTripleChecker+Valid, 8547 SdHoareTripleChecker+Invalid, 7371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 7183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:35:57,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11670 Valid, 8547 Invalid, 7371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 7183 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:35:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-07-12 07:35:57,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 2710. [2022-07-12 07:35:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.448559670781893) internal successors, (3872), 2709 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3872 transitions. [2022-07-12 07:35:57,825 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3872 transitions. Word has length 130 [2022-07-12 07:35:57,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:35:57,825 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3872 transitions. [2022-07-12 07:35:57,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:35:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3872 transitions. [2022-07-12 07:35:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:35:57,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:35:57,827 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:35:57,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-12 07:35:57,828 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:35:57,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:35:57,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1046931938, now seen corresponding path program 1 times [2022-07-12 07:35:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:35:57,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149787962] [2022-07-12 07:35:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:35:57,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:35:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:35:57,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:35:57,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:35:57,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149787962] [2022-07-12 07:35:57,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149787962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:35:57,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:35:57,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:35:57,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540215484] [2022-07-12 07:35:57,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:35:57,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:35:57,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:35:57,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:35:57,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:35:57,925 INFO L87 Difference]: Start difference. First operand 2710 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:01,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:01,148 INFO L93 Difference]: Finished difference Result 4757 states and 6829 transitions. [2022-07-12 07:36:01,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:01,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:01,154 INFO L225 Difference]: With dead ends: 4757 [2022-07-12 07:36:01,154 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:36:01,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:01,156 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 11524 mSDsluCounter, 6718 mSDsCounter, 0 mSdLazyCounter, 7349 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11524 SdHoareTripleChecker+Valid, 8776 SdHoareTripleChecker+Invalid, 7462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 7349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:01,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11524 Valid, 8776 Invalid, 7462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 7349 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 07:36:01,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:36:01,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2710. [2022-07-12 07:36:01,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4481855592966704) internal successors, (3871), 2709 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3871 transitions. [2022-07-12 07:36:01,725 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3871 transitions. Word has length 130 [2022-07-12 07:36:01,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:01,725 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3871 transitions. [2022-07-12 07:36:01,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3871 transitions. [2022-07-12 07:36:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:01,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:01,727 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:01,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-12 07:36:01,728 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:01,728 INFO L85 PathProgramCache]: Analyzing trace with hash -794902595, now seen corresponding path program 1 times [2022-07-12 07:36:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:01,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153281874] [2022-07-12 07:36:01,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:01,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:01,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:01,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153281874] [2022-07-12 07:36:01,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153281874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:01,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:01,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:01,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315318751] [2022-07-12 07:36:01,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:01,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:01,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:01,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:01,831 INFO L87 Difference]: Start difference. First operand 2710 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:05,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:05,353 INFO L93 Difference]: Finished difference Result 4406 states and 6222 transitions. [2022-07-12 07:36:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:05,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:05,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:05,358 INFO L225 Difference]: With dead ends: 4406 [2022-07-12 07:36:05,358 INFO L226 Difference]: Without dead ends: 4218 [2022-07-12 07:36:05,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:05,359 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 12780 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 5715 mSolverCounterSat, 916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12780 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 6631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 5715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:05,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12780 Valid, 6068 Invalid, 6631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [916 Valid, 5715 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:36:05,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4218 states. [2022-07-12 07:36:05,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4218 to 2710. [2022-07-12 07:36:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2710 states, 2673 states have (on average 1.4478114478114479) internal successors, (3870), 2709 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:05,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2710 states and 3870 transitions. [2022-07-12 07:36:05,889 INFO L78 Accepts]: Start accepts. Automaton has 2710 states and 3870 transitions. Word has length 130 [2022-07-12 07:36:05,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:05,889 INFO L495 AbstractCegarLoop]: Abstraction has 2710 states and 3870 transitions. [2022-07-12 07:36:05,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3870 transitions. [2022-07-12 07:36:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:05,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:05,891 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:05,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-07-12 07:36:05,891 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:05,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash -2056814519, now seen corresponding path program 1 times [2022-07-12 07:36:05,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:05,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327824609] [2022-07-12 07:36:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:05,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:06,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:06,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327824609] [2022-07-12 07:36:06,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327824609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:06,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:06,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:36:06,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532667807] [2022-07-12 07:36:06,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:06,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:36:06,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:06,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:36:06,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:36:06,089 INFO L87 Difference]: Start difference. First operand 2710 states and 3870 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:11,320 INFO L93 Difference]: Finished difference Result 6174 states and 8925 transitions. [2022-07-12 07:36:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:36:11,321 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:11,327 INFO L225 Difference]: With dead ends: 6174 [2022-07-12 07:36:11,327 INFO L226 Difference]: Without dead ends: 5939 [2022-07-12 07:36:11,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:36:11,330 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 19822 mSDsluCounter, 7514 mSDsCounter, 0 mSdLazyCounter, 8130 mSolverCounterSat, 1349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19822 SdHoareTripleChecker+Valid, 9693 SdHoareTripleChecker+Invalid, 9479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1349 IncrementalHoareTripleChecker+Valid, 8130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:11,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19822 Valid, 9693 Invalid, 9479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1349 Valid, 8130 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 07:36:11,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5939 states. [2022-07-12 07:36:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5939 to 2714. [2022-07-12 07:36:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4471423234964513) internal successors, (3874), 2713 states have internal predecessors, (3874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3874 transitions. [2022-07-12 07:36:11,916 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3874 transitions. Word has length 130 [2022-07-12 07:36:11,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:11,917 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3874 transitions. [2022-07-12 07:36:11,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3874 transitions. [2022-07-12 07:36:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:11,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:11,919 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:11,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-07-12 07:36:11,920 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:11,920 INFO L85 PathProgramCache]: Analyzing trace with hash -86761087, now seen corresponding path program 1 times [2022-07-12 07:36:11,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:11,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233359445] [2022-07-12 07:36:11,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:11,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:12,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233359445] [2022-07-12 07:36:12,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233359445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:12,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:12,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:12,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902340451] [2022-07-12 07:36:12,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:12,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:12,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:12,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:12,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:12,023 INFO L87 Difference]: Start difference. First operand 2714 states and 3874 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:15,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:15,449 INFO L93 Difference]: Finished difference Result 4410 states and 6225 transitions. [2022-07-12 07:36:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:15,450 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:15,454 INFO L225 Difference]: With dead ends: 4410 [2022-07-12 07:36:15,454 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:15,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:15,457 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 12768 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 5714 mSolverCounterSat, 916 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12768 SdHoareTripleChecker+Valid, 6080 SdHoareTripleChecker+Invalid, 6630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 916 IncrementalHoareTripleChecker+Valid, 5714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:15,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12768 Valid, 6080 Invalid, 6630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [916 Valid, 5714 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 07:36:15,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4467687710123271) internal successors, (3873), 2713 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3873 transitions. [2022-07-12 07:36:16,017 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3873 transitions. Word has length 130 [2022-07-12 07:36:16,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:16,017 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3873 transitions. [2022-07-12 07:36:16,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3873 transitions. [2022-07-12 07:36:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:16,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:16,020 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:16,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-07-12 07:36:16,020 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:16,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash -641149672, now seen corresponding path program 1 times [2022-07-12 07:36:16,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:16,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118818551] [2022-07-12 07:36:16,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:16,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:16,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:16,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118818551] [2022-07-12 07:36:16,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118818551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:16,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:16,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:16,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819329029] [2022-07-12 07:36:16,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:16,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:16,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:16,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:16,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:16,172 INFO L87 Difference]: Start difference. First operand 2714 states and 3873 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:19,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:19,793 INFO L93 Difference]: Finished difference Result 4410 states and 6223 transitions. [2022-07-12 07:36:19,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:19,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:19,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:19,799 INFO L225 Difference]: With dead ends: 4410 [2022-07-12 07:36:19,799 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:19,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:19,800 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 10842 mSDsluCounter, 4555 mSDsCounter, 0 mSdLazyCounter, 5683 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10842 SdHoareTripleChecker+Valid, 6060 SdHoareTripleChecker+Invalid, 6489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 5683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:19,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10842 Valid, 6060 Invalid, 6489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 5683 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:36:19,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4463952185282032) internal successors, (3872), 2713 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3872 transitions. [2022-07-12 07:36:20,392 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3872 transitions. Word has length 130 [2022-07-12 07:36:20,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:20,393 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3872 transitions. [2022-07-12 07:36:20,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3872 transitions. [2022-07-12 07:36:20,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:20,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:20,395 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:20,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-07-12 07:36:20,395 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:20,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash -948826908, now seen corresponding path program 1 times [2022-07-12 07:36:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:20,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762144807] [2022-07-12 07:36:20,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:20,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:20,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762144807] [2022-07-12 07:36:20,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762144807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:20,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:20,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:20,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730229313] [2022-07-12 07:36:20,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:20,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:20,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:20,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:20,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:20,503 INFO L87 Difference]: Start difference. First operand 2714 states and 3872 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:23,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:23,838 INFO L93 Difference]: Finished difference Result 4780 states and 6845 transitions. [2022-07-12 07:36:23,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:23,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:23,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:23,844 INFO L225 Difference]: With dead ends: 4780 [2022-07-12 07:36:23,845 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:36:23,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:23,846 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 11946 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7096 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11946 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 7211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 7096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:23,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11946 Valid, 8495 Invalid, 7211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 7096 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:36:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:36:24,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:36:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4460216660440792) internal successors, (3871), 2713 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3871 transitions. [2022-07-12 07:36:24,438 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3871 transitions. Word has length 130 [2022-07-12 07:36:24,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:24,438 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3871 transitions. [2022-07-12 07:36:24,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3871 transitions. [2022-07-12 07:36:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:24,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:24,441 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:24,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-07-12 07:36:24,441 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:24,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:24,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1179085933, now seen corresponding path program 1 times [2022-07-12 07:36:24,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:24,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619486580] [2022-07-12 07:36:24,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:24,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:24,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:24,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619486580] [2022-07-12 07:36:24,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619486580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:24,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:24,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:24,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471221462] [2022-07-12 07:36:24,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:24,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:24,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:24,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:24,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:24,542 INFO L87 Difference]: Start difference. First operand 2714 states and 3871 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:27,299 INFO L93 Difference]: Finished difference Result 4410 states and 6220 transitions. [2022-07-12 07:36:27,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:27,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:27,305 INFO L225 Difference]: With dead ends: 4410 [2022-07-12 07:36:27,305 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:27,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:27,306 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 7888 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5476 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7888 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 6041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 5476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:27,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7888 Valid, 5843 Invalid, 6041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 5476 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:36:27,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4456481135599553) internal successors, (3870), 2713 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3870 transitions. [2022-07-12 07:36:27,916 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3870 transitions. Word has length 130 [2022-07-12 07:36:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:27,917 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3870 transitions. [2022-07-12 07:36:27,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3870 transitions. [2022-07-12 07:36:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:27,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:27,919 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:27,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-07-12 07:36:27,919 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:27,920 INFO L85 PathProgramCache]: Analyzing trace with hash 470944425, now seen corresponding path program 1 times [2022-07-12 07:36:27,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:27,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159931850] [2022-07-12 07:36:27,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:27,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:28,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:28,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159931850] [2022-07-12 07:36:28,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159931850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:28,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:28,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:28,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496502263] [2022-07-12 07:36:28,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:28,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:28,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:28,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:28,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:28,027 INFO L87 Difference]: Start difference. First operand 2714 states and 3870 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:31,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:31,618 INFO L93 Difference]: Finished difference Result 4410 states and 6218 transitions. [2022-07-12 07:36:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:31,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:31,627 INFO L225 Difference]: With dead ends: 4410 [2022-07-12 07:36:31,628 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:31,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:31,629 INFO L413 NwaCegarLoop]: 1485 mSDtfsCounter, 6803 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 5689 mSolverCounterSat, 433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6803 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 6122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 433 IncrementalHoareTripleChecker+Valid, 5689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:31,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6803 Valid, 6068 Invalid, 6122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [433 Valid, 5689 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 07:36:31,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:32,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.445274561075831) internal successors, (3869), 2713 states have internal predecessors, (3869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3869 transitions. [2022-07-12 07:36:32,259 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3869 transitions. Word has length 130 [2022-07-12 07:36:32,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:32,259 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3869 transitions. [2022-07-12 07:36:32,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3869 transitions. [2022-07-12 07:36:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:32,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:32,261 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:32,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-07-12 07:36:32,262 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:32,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:32,262 INFO L85 PathProgramCache]: Analyzing trace with hash -791375622, now seen corresponding path program 1 times [2022-07-12 07:36:32,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:32,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429508128] [2022-07-12 07:36:32,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:32,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:32,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:32,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429508128] [2022-07-12 07:36:32,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429508128] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:32,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:32,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:32,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560218691] [2022-07-12 07:36:32,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:32,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:32,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:32,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:32,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:32,363 INFO L87 Difference]: Start difference. First operand 2714 states and 3869 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:35,753 INFO L93 Difference]: Finished difference Result 4765 states and 6825 transitions. [2022-07-12 07:36:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:35,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:35,758 INFO L225 Difference]: With dead ends: 4765 [2022-07-12 07:36:35,758 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:36:35,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:35,759 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 5984 mSDsluCounter, 6593 mSDsCounter, 0 mSdLazyCounter, 7175 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5984 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 7233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 7175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:35,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5984 Valid, 8613 Invalid, 7233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 7175 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 07:36:35,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:36:36,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:36:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4449010085917071) internal successors, (3868), 2713 states have internal predecessors, (3868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3868 transitions. [2022-07-12 07:36:36,363 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3868 transitions. Word has length 130 [2022-07-12 07:36:36,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:36,363 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3868 transitions. [2022-07-12 07:36:36,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3868 transitions. [2022-07-12 07:36:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:36,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:36,366 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:36,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-07-12 07:36:36,366 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:36,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:36,366 INFO L85 PathProgramCache]: Analyzing trace with hash -598738012, now seen corresponding path program 1 times [2022-07-12 07:36:36,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:36,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855789972] [2022-07-12 07:36:36,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:36,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:36,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:36,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855789972] [2022-07-12 07:36:36,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855789972] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:36,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:36,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:36,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953993122] [2022-07-12 07:36:36,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:36,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:36,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:36,452 INFO L87 Difference]: Start difference. First operand 2714 states and 3868 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:39,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:39,261 INFO L93 Difference]: Finished difference Result 4412 states and 6218 transitions. [2022-07-12 07:36:39,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:39,262 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:39,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:39,266 INFO L225 Difference]: With dead ends: 4412 [2022-07-12 07:36:39,267 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:39,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:39,268 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 10008 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 5459 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10008 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 6136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 5459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:39,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10008 Valid, 5848 Invalid, 6136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 5459 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 07:36:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4441539036234592) internal successors, (3866), 2713 states have internal predecessors, (3866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3866 transitions. [2022-07-12 07:36:39,891 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3866 transitions. Word has length 130 [2022-07-12 07:36:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:39,892 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3866 transitions. [2022-07-12 07:36:39,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3866 transitions. [2022-07-12 07:36:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:39,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:39,894 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:39,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-07-12 07:36:39,895 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash 2018237894, now seen corresponding path program 1 times [2022-07-12 07:36:39,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:39,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653987422] [2022-07-12 07:36:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:39,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:39,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:39,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653987422] [2022-07-12 07:36:39,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653987422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:39,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:39,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:39,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708261559] [2022-07-12 07:36:39,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:39,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:39,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:39,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:39,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:39,997 INFO L87 Difference]: Start difference. First operand 2714 states and 3866 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:43,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:43,745 INFO L93 Difference]: Finished difference Result 4710 states and 6734 transitions. [2022-07-12 07:36:43,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:43,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:43,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:43,750 INFO L225 Difference]: With dead ends: 4710 [2022-07-12 07:36:43,751 INFO L226 Difference]: Without dead ends: 4490 [2022-07-12 07:36:43,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:43,752 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 11411 mSDsluCounter, 7300 mSDsCounter, 0 mSdLazyCounter, 7510 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11411 SdHoareTripleChecker+Valid, 9023 SdHoareTripleChecker+Invalid, 7695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 7510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:43,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11411 Valid, 9023 Invalid, 7695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 7510 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:36:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-07-12 07:36:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2714. [2022-07-12 07:36:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.443406798655211) internal successors, (3864), 2713 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3864 transitions. [2022-07-12 07:36:44,412 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3864 transitions. Word has length 130 [2022-07-12 07:36:44,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:44,413 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3864 transitions. [2022-07-12 07:36:44,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3864 transitions. [2022-07-12 07:36:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:44,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:44,415 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:44,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-07-12 07:36:44,415 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:44,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:44,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1829690695, now seen corresponding path program 1 times [2022-07-12 07:36:44,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:44,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883645616] [2022-07-12 07:36:44,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:44,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:44,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883645616] [2022-07-12 07:36:44,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883645616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:44,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:44,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771439957] [2022-07-12 07:36:44,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:44,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:44,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:44,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:44,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:44,563 INFO L87 Difference]: Start difference. First operand 2714 states and 3864 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:48,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:48,352 INFO L93 Difference]: Finished difference Result 4798 states and 6872 transitions. [2022-07-12 07:36:48,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:48,352 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:48,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:48,358 INFO L225 Difference]: With dead ends: 4798 [2022-07-12 07:36:48,358 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:36:48,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:48,359 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 11111 mSDsluCounter, 8089 mSDsCounter, 0 mSdLazyCounter, 8269 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11111 SdHoareTripleChecker+Valid, 10050 SdHoareTripleChecker+Invalid, 8366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 8269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:48,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11111 Valid, 10050 Invalid, 8366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 8269 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:36:48,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:36:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:36:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4426596936869631) internal successors, (3862), 2713 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3862 transitions. [2022-07-12 07:36:49,020 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3862 transitions. Word has length 130 [2022-07-12 07:36:49,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:49,021 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3862 transitions. [2022-07-12 07:36:49,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:49,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3862 transitions. [2022-07-12 07:36:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:49,024 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:49,024 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:49,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-07-12 07:36:49,024 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:49,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:49,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1871298434, now seen corresponding path program 1 times [2022-07-12 07:36:49,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:49,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119632831] [2022-07-12 07:36:49,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:49,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119632831] [2022-07-12 07:36:49,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119632831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:49,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:49,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:49,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447796818] [2022-07-12 07:36:49,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:49,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:49,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:49,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:49,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:49,114 INFO L87 Difference]: Start difference. First operand 2714 states and 3862 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:52,929 INFO L93 Difference]: Finished difference Result 4814 states and 6881 transitions. [2022-07-12 07:36:52,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:52,930 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:52,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:52,934 INFO L225 Difference]: With dead ends: 4814 [2022-07-12 07:36:52,935 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:36:52,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:52,936 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 8941 mSDsluCounter, 6472 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8941 SdHoareTripleChecker+Valid, 8509 SdHoareTripleChecker+Invalid, 7135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:52,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8941 Valid, 8509 Invalid, 7135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 7048 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:36:52,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:36:53,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:36:53,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.441912588718715) internal successors, (3860), 2713 states have internal predecessors, (3860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3860 transitions. [2022-07-12 07:36:53,584 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3860 transitions. Word has length 130 [2022-07-12 07:36:53,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:53,584 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3860 transitions. [2022-07-12 07:36:53,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3860 transitions. [2022-07-12 07:36:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:53,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:53,587 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:53,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-07-12 07:36:53,587 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:53,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:53,588 INFO L85 PathProgramCache]: Analyzing trace with hash 667109008, now seen corresponding path program 1 times [2022-07-12 07:36:53,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:53,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462778119] [2022-07-12 07:36:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:53,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:53,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:53,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462778119] [2022-07-12 07:36:53,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462778119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:53,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:53,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:53,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107573735] [2022-07-12 07:36:53,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:53,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:53,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:53,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:53,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:53,685 INFO L87 Difference]: Start difference. First operand 2714 states and 3860 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:57,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:36:57,335 INFO L93 Difference]: Finished difference Result 4412 states and 6208 transitions. [2022-07-12 07:36:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:36:57,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:36:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:36:57,340 INFO L225 Difference]: With dead ends: 4412 [2022-07-12 07:36:57,340 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:36:57,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:36:57,341 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 6908 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 5445 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6908 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 5880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 5445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:36:57,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6908 Valid, 5848 Invalid, 5880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 5445 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 07:36:57,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:36:58,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:36:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.441165483750467) internal successors, (3858), 2713 states have internal predecessors, (3858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3858 transitions. [2022-07-12 07:36:58,012 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3858 transitions. Word has length 130 [2022-07-12 07:36:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:36:58,013 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3858 transitions. [2022-07-12 07:36:58,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:36:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3858 transitions. [2022-07-12 07:36:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:36:58,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:36:58,016 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:36:58,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-07-12 07:36:58,017 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:36:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:36:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1672889582, now seen corresponding path program 1 times [2022-07-12 07:36:58,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:36:58,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120859634] [2022-07-12 07:36:58,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:36:58,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:36:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:36:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:36:58,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:36:58,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120859634] [2022-07-12 07:36:58,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120859634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:36:58,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:36:58,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:36:58,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713703578] [2022-07-12 07:36:58,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:36:58,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:36:58,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:36:58,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:36:58,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:36:58,141 INFO L87 Difference]: Start difference. First operand 2714 states and 3858 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:01,940 INFO L93 Difference]: Finished difference Result 4808 states and 6873 transitions. [2022-07-12 07:37:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:01,940 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:01,945 INFO L225 Difference]: With dead ends: 4808 [2022-07-12 07:37:01,945 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:37:01,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:01,946 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 11006 mSDsluCounter, 8257 mSDsCounter, 0 mSdLazyCounter, 8447 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11006 SdHoareTripleChecker+Valid, 10277 SdHoareTripleChecker+Invalid, 8542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 8447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:01,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11006 Valid, 10277 Invalid, 8542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 8447 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-12 07:37:01,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:37:02,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:37:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.440418378782219) internal successors, (3856), 2713 states have internal predecessors, (3856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3856 transitions. [2022-07-12 07:37:02,619 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3856 transitions. Word has length 130 [2022-07-12 07:37:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:02,619 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3856 transitions. [2022-07-12 07:37:02,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3856 transitions. [2022-07-12 07:37:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:02,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:02,621 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:02,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-07-12 07:37:02,637 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:02,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:02,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1179219811, now seen corresponding path program 1 times [2022-07-12 07:37:02,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:02,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599518895] [2022-07-12 07:37:02,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:02,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:02,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599518895] [2022-07-12 07:37:02,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599518895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:02,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:02,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:02,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326751428] [2022-07-12 07:37:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:02,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:02,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:02,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:02,760 INFO L87 Difference]: Start difference. First operand 2714 states and 3856 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:06,025 INFO L93 Difference]: Finished difference Result 4830 states and 6898 transitions. [2022-07-12 07:37:06,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:06,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:06,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:06,031 INFO L225 Difference]: With dead ends: 4830 [2022-07-12 07:37:06,031 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:37:06,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:06,032 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 5967 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7037 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 7095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 7037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:06,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 8495 Invalid, 7095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 7037 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 07:37:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:37:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:37:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4396712738139708) internal successors, (3854), 2713 states have internal predecessors, (3854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3854 transitions. [2022-07-12 07:37:06,700 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3854 transitions. Word has length 130 [2022-07-12 07:37:06,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:06,700 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3854 transitions. [2022-07-12 07:37:06,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3854 transitions. [2022-07-12 07:37:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:06,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:06,702 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:06,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-07-12 07:37:06,703 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:06,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:06,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1360075373, now seen corresponding path program 1 times [2022-07-12 07:37:06,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:06,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396431977] [2022-07-12 07:37:06,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:06,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396431977] [2022-07-12 07:37:06,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396431977] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:06,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:06,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:06,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494974926] [2022-07-12 07:37:06,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:06,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:06,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:06,803 INFO L87 Difference]: Start difference. First operand 2714 states and 3854 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:10,325 INFO L93 Difference]: Finished difference Result 4412 states and 6200 transitions. [2022-07-12 07:37:10,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:10,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:10,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:10,331 INFO L225 Difference]: With dead ends: 4412 [2022-07-12 07:37:10,332 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:37:10,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:10,333 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 6901 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5439 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6901 SdHoareTripleChecker+Valid, 5843 SdHoareTripleChecker+Invalid, 5874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 5439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:10,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6901 Valid, 5843 Invalid, 5874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 5439 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:37:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:37:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:37:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4389241688457228) internal successors, (3852), 2713 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3852 transitions. [2022-07-12 07:37:11,004 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3852 transitions. Word has length 130 [2022-07-12 07:37:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:11,004 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3852 transitions. [2022-07-12 07:37:11,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3852 transitions. [2022-07-12 07:37:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:11,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:11,007 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:11,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-07-12 07:37:11,007 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash -256707036, now seen corresponding path program 1 times [2022-07-12 07:37:11,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:11,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306815030] [2022-07-12 07:37:11,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:11,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:11,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306815030] [2022-07-12 07:37:11,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306815030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:11,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:11,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:11,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807627965] [2022-07-12 07:37:11,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:11,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:11,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:11,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:11,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:11,103 INFO L87 Difference]: Start difference. First operand 2714 states and 3852 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:14,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:14,659 INFO L93 Difference]: Finished difference Result 4416 states and 6201 transitions. [2022-07-12 07:37:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:14,659 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:14,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:14,664 INFO L225 Difference]: With dead ends: 4416 [2022-07-12 07:37:14,664 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:37:14,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:14,666 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 9978 mSDsluCounter, 4413 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9978 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:14,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9978 Valid, 5844 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 5429 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:37:14,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:37:15,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:37:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4381770638774747) internal successors, (3850), 2713 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:15,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3850 transitions. [2022-07-12 07:37:15,360 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3850 transitions. Word has length 130 [2022-07-12 07:37:15,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:15,360 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3850 transitions. [2022-07-12 07:37:15,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3850 transitions. [2022-07-12 07:37:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:15,363 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:15,363 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:15,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-07-12 07:37:15,363 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:15,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -449558476, now seen corresponding path program 1 times [2022-07-12 07:37:15,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:15,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094214147] [2022-07-12 07:37:15,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:15,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:15,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:15,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094214147] [2022-07-12 07:37:15,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094214147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:15,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:15,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:15,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068633219] [2022-07-12 07:37:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:15,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:15,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:15,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:15,463 INFO L87 Difference]: Start difference. First operand 2714 states and 3850 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:19,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:19,537 INFO L93 Difference]: Finished difference Result 4724 states and 6731 transitions. [2022-07-12 07:37:19,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:19,537 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:19,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:19,542 INFO L225 Difference]: With dead ends: 4724 [2022-07-12 07:37:19,542 INFO L226 Difference]: Without dead ends: 4490 [2022-07-12 07:37:19,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:19,544 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 8670 mSDsluCounter, 6978 mSDsCounter, 0 mSdLazyCounter, 7341 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8670 SdHoareTripleChecker+Valid, 8863 SdHoareTripleChecker+Invalid, 7488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 7341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:19,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8670 Valid, 8863 Invalid, 7488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 7341 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 07:37:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2022-07-12 07:37:20,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 2714. [2022-07-12 07:37:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4374299589092268) internal successors, (3848), 2713 states have internal predecessors, (3848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3848 transitions. [2022-07-12 07:37:20,269 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3848 transitions. Word has length 130 [2022-07-12 07:37:20,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:20,269 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3848 transitions. [2022-07-12 07:37:20,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3848 transitions. [2022-07-12 07:37:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:20,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:20,271 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:20,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-07-12 07:37:20,272 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:20,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:20,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1747448514, now seen corresponding path program 1 times [2022-07-12 07:37:20,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:20,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934320993] [2022-07-12 07:37:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:20,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934320993] [2022-07-12 07:37:20,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934320993] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:20,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:20,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133135751] [2022-07-12 07:37:20,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:20,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:20,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:20,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:20,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:20,382 INFO L87 Difference]: Start difference. First operand 2714 states and 3848 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:24,396 INFO L93 Difference]: Finished difference Result 4830 states and 6888 transitions. [2022-07-12 07:37:24,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:24,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:24,402 INFO L225 Difference]: With dead ends: 4830 [2022-07-12 07:37:24,402 INFO L226 Difference]: Without dead ends: 4530 [2022-07-12 07:37:24,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:24,403 INFO L413 NwaCegarLoop]: 1961 mSDtfsCounter, 11118 mSDsluCounter, 8062 mSDsCounter, 0 mSdLazyCounter, 8209 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11118 SdHoareTripleChecker+Valid, 10023 SdHoareTripleChecker+Invalid, 8306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 8209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:24,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11118 Valid, 10023 Invalid, 8306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 8209 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 07:37:24,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-07-12 07:37:25,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2714. [2022-07-12 07:37:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4366828539409786) internal successors, (3846), 2713 states have internal predecessors, (3846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3846 transitions. [2022-07-12 07:37:25,135 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3846 transitions. Word has length 130 [2022-07-12 07:37:25,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:25,136 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3846 transitions. [2022-07-12 07:37:25,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3846 transitions. [2022-07-12 07:37:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:25,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:25,138 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:25,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-07-12 07:37:25,139 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:25,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 800849747, now seen corresponding path program 1 times [2022-07-12 07:37:25,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:25,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134546428] [2022-07-12 07:37:25,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:25,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:25,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134546428] [2022-07-12 07:37:25,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134546428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:25,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:25,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:25,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529536105] [2022-07-12 07:37:25,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:25,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:25,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:25,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:25,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:25,224 INFO L87 Difference]: Start difference. First operand 2714 states and 3846 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:28,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:28,779 INFO L93 Difference]: Finished difference Result 4416 states and 6193 transitions. [2022-07-12 07:37:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:28,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:28,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:28,784 INFO L225 Difference]: With dead ends: 4416 [2022-07-12 07:37:28,784 INFO L226 Difference]: Without dead ends: 4222 [2022-07-12 07:37:28,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:28,790 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 6884 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 5416 mSolverCounterSat, 435 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6884 SdHoareTripleChecker+Valid, 5847 SdHoareTripleChecker+Invalid, 5851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 435 IncrementalHoareTripleChecker+Valid, 5416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:28,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6884 Valid, 5847 Invalid, 5851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [435 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 07:37:28,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4222 states. [2022-07-12 07:37:29,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4222 to 2714. [2022-07-12 07:37:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2677 states have (on average 1.4359357489727307) internal successors, (3844), 2713 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3844 transitions. [2022-07-12 07:37:29,514 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3844 transitions. Word has length 130 [2022-07-12 07:37:29,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:29,514 INFO L495 AbstractCegarLoop]: Abstraction has 2714 states and 3844 transitions. [2022-07-12 07:37:29,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 8 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:29,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3844 transitions. [2022-07-12 07:37:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-12 07:37:29,516 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:29,516 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:29,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-07-12 07:37:29,517 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:29,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:29,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1581920447, now seen corresponding path program 1 times [2022-07-12 07:37:29,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:29,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179281394] [2022-07-12 07:37:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:29,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:29,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:29,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179281394] [2022-07-12 07:37:29,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179281394] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:29,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:29,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 07:37:29,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744565356] [2022-07-12 07:37:29,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:29,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 07:37:29,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 07:37:29,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-12 07:37:29,669 INFO L87 Difference]: Start difference. First operand 2714 states and 3844 transitions. Second operand has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:36,108 INFO L93 Difference]: Finished difference Result 6776 states and 9723 transitions. [2022-07-12 07:37:36,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 07:37:36,108 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2022-07-12 07:37:36,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:36,115 INFO L225 Difference]: With dead ends: 6776 [2022-07-12 07:37:36,115 INFO L226 Difference]: Without dead ends: 6336 [2022-07-12 07:37:36,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2022-07-12 07:37:36,117 INFO L413 NwaCegarLoop]: 2449 mSDtfsCounter, 18310 mSDsluCounter, 8197 mSDsCounter, 0 mSdLazyCounter, 8750 mSolverCounterSat, 1209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18310 SdHoareTripleChecker+Valid, 10646 SdHoareTripleChecker+Invalid, 9959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1209 IncrementalHoareTripleChecker+Valid, 8750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:36,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18310 Valid, 10646 Invalid, 9959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1209 Valid, 8750 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 07:37:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2022-07-12 07:37:36,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 2722. [2022-07-12 07:37:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.43463687150838) internal successors, (3852), 2721 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3852 transitions. [2022-07-12 07:37:36,904 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3852 transitions. Word has length 130 [2022-07-12 07:37:36,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:36,905 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3852 transitions. [2022-07-12 07:37:36,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.833333333333334) internal successors, (130), 11 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3852 transitions. [2022-07-12 07:37:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:37:36,907 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:36,907 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:36,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-07-12 07:37:36,907 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:36,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:36,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1638067966, now seen corresponding path program 1 times [2022-07-12 07:37:36,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:36,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649304042] [2022-07-12 07:37:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:36,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:37,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649304042] [2022-07-12 07:37:37,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649304042] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:37,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:37,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 07:37:37,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656364706] [2022-07-12 07:37:37,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:37,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 07:37:37,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:37,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 07:37:37,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 07:37:37,008 INFO L87 Difference]: Start difference. First operand 2722 states and 3852 transitions. Second operand has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 07:37:41,708 INFO L93 Difference]: Finished difference Result 4696 states and 6682 transitions. [2022-07-12 07:37:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 07:37:41,709 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-07-12 07:37:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 07:37:41,714 INFO L225 Difference]: With dead ends: 4696 [2022-07-12 07:37:41,714 INFO L226 Difference]: Without dead ends: 4498 [2022-07-12 07:37:41,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-07-12 07:37:41,715 INFO L413 NwaCegarLoop]: 1925 mSDtfsCounter, 11027 mSDsluCounter, 7923 mSDsCounter, 0 mSdLazyCounter, 8115 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11027 SdHoareTripleChecker+Valid, 9848 SdHoareTripleChecker+Invalid, 8295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 8115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 07:37:41,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11027 Valid, 9848 Invalid, 8295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 8115 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 07:37:41,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-07-12 07:37:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 2722. [2022-07-12 07:37:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 2685 states have (on average 1.4342644320297953) internal successors, (3851), 2721 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3851 transitions. [2022-07-12 07:37:42,501 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3851 transitions. Word has length 131 [2022-07-12 07:37:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 07:37:42,501 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3851 transitions. [2022-07-12 07:37:42,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.555555555555555) internal successors, (131), 8 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 07:37:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3851 transitions. [2022-07-12 07:37:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 07:37:42,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 07:37:42,504 INFO L195 NwaCegarLoop]: 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] [2022-07-12 07:37:42,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-07-12 07:37:42,504 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-07-12 07:37:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 07:37:42,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1430881603, now seen corresponding path program 1 times [2022-07-12 07:37:42,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 07:37:42,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688271640] [2022-07-12 07:37:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 07:37:42,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 07:37:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 07:37:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 07:37:42,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 07:37:42,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688271640] [2022-07-12 07:37:42,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688271640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 07:37:42,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 07:37:42,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 07:37:42,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591772404] [2022-07-12 07:37:42,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 07:37:42,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 07:37:42,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 07:37:42,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 07:37:42,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-07-12 07:37:42,666 INFO L87 Difference]: Start difference. First operand 2722 states and 3851 transitions. Second operand has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 12 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)